Water Resources Data South Carolina Water Year 2005 - Publications

Loading...
Prepared in cooperation with the State of South Carolina and with other agencies

Water Resources Data South Carolina Water Year 2005

Water-Data Report SC-05-1 U.S. Department of the Interior U.S. Geological Survey

Calendar for Water Year 2005 2004 October S 3 10 17 24 31

M 4 11 18 25

T 5 12 19 26

W 6 13 20 27

November T

F

S

7 14 21 28

1 8 15 22 29

2 9 16 23 30

December

S

M

T

W

T

F

S

7 14 21 28

1 8 15 22 29

2 9 16 23 30

3 10 17 24

4 11 18 25

5 12 19 26

6 13 20 27

S 5 12 19 26

M 6 13 20 27

T

W

T

F

S

7 14 21 28

1 8 15 22 29

2 9 16 23 30

3 10 17 24 31

4 11 18 25

2005 January S 2 9 16 23 30

M 3 10 17 24 31

T 4 11 18 25

W 5 12 19 26

February T 6 13 20 27

F

S

7 14 21 28

1 8 15 22 29

S 6 13 20 27

M 7 14 21 28

T

W

T

F

S

1 8 15 22

2 9 16 23

3 10 17 24

4 11 18 25

5 12 19 26

April S

3 10 17 24

M

4 11 18 25

T

5 12 19 26

W

6 13 20 27

3 10 17 24 31

M

4 11 18 25

T

5 12 19 26

W

6 13 20 27

S 6 13 20 27

M

T

W

T

F

S

7 14 21 28

1 8 15 22 29

2 9 16 23 30

3 10 17 24 31

4 11 18 25

5 12 19 26

May

June

T

F

S

S

M

T

W

T

F

S

7 14 21 28

1 8 15 22 29

2 9 16 23 30

1 8 15 22 29

2 9 16 23 30

3 10 17 24 31

4 11 18 25

5 12 19 26

6 13 20 27

7 14 21 28

July S

March

S

5 12 19 26

M

6 13 20 27

August T

F

S

7 14 21 28

1 8 15 22 29

2 9 16 23 30

T

W

T

F

S

7 14 21 28

1 8 15 22 29

2 9 16 23 30

3 10 17 24

4 11 18 25

September

S

M

T

W

T

F

S

7 14 21 28

1 8 15 22 29

2 9 16 23 30

3 10 17 24 31

4 11 18 25

5 12 18 26

6 13 20 27

S

4 11 18 25

M

5 12 19 26

T

6 13 20 27

W

T

F

S

7 14 21 28

1 8 15 22 29

2 9 16 23 30

3 10 17 24

U.S. Department of the Interior U.S. Geological Survey

Water Resources Data South Carolina Water Year 2005 By T.W. Cooney, P.A. Drewes, S.W. Ellisor, T.H. Lanier, and F. Melendez

Water-Data Report SC-05-1

Prepared in cooperation with the State of South Carolina and with other agencies

U.S. Department of the Interior Gale A. Norton, Secretary U.S. Geological Survey Charles G. Groat, Director

2006 U.S. Geological Survey Stephenson Center, Suite 129 720 Gracern Road Columbia, SC 29210 (803) 750-6100

Information about the USGS, South Carolina District is available on the Internet at http://sc.water.usgs.gov/ Information about all USGS reports and products is available by calling 1-888-ASK-USGS or on the Internet at http://www.usgs.gov/ Additional earth science information is available by accessing the USGS home page at http://www.usgs.gov/

Suggested citation: Cooney, T.W., Drewes, P.A., Ellisor, S.W., Lanier, T.H., and Melendez, F., 2005, Water Resources Data, South Carolina, Water Year 2005, Volume 1: U.S. Geological Survey Water-Data Report SC-05-1, 621 p.

WATER RESOURCES DATA FOR SOUTH CAROLINA, 2005

iii

PREFACE This volume of the annual hydrologic data report of South Carolina is one of a series of annual reports that document hydrologic data gathered from the U. S. Geological Survey's surface-water and ground-water data-collection networks in each State, Puerto Rico, and the Trust Territories. These records of streamflow, ground-water levels, and quality of water provide the hydrologic information needed by State, local, and Federal agencies, and the private sector for developing and managing our Nation's land and water resources. Hydrologic data for South Carolina are contained in one volume. This report is the culmination of a concerted effort by dedicated personnel of the U. S. Geological Survey who collected, compiled, analyzed, verified, and organized the data, and who typed, edited, and assembled the report. In addition to the authors, who had primary responsibility for assuring that the information contained herein is accurate, complete, and adheres to Geological Survey policy and established guidelines, the following individuals contributed significantly to the collection, processing, and tabulation of the data: James K. Acker Andral W. Caldwell Bruce Campbell Bill Church Keith A. Cobb Paul A. Conrads

Brian L. Daniels Timothy R. Dunleavy John W. Erbland Greg Gilmore Jane M. Hale J. Michael Hall

Celeste Journey James A. Kiser K. Brady Long Wes A. Murray William P. Roberts Patricia M. Sadler

Dale F. Skipper Brian F. Wahl Carlton Wood

Sarah W. Ellisor and Tim Lanier typed, edited, and assembled the report. This report was prepared in cooperation with the State of South Carolina and with other agencies under the general supervision of Eric W. Strom, Director South Carolina Water Science Center.

REPORT DOCUMENTATION PAGE

Form Approved OMB No. 0704-0188

Public reporting burden for this collection of information is estimated to average 1 hour per response, including the time for reviewing instructions, searching existing data sources, gathering and maintaining the data needed, and completing and reviewing the collection of information. Send comments regarding this burden estimate or any other aspect of this collection of information, including suggestions for reducing this burden, to Washington Headquarters Services, Directorate for Information Operations and Reports, 1215 Jefferson Davis Highway, Suite 1204, Arlington, VA 22202-4302, and to the Office of Management and Budget, Paperwork Reduction Project (0704-0188), Washington, DC 20503.

1. AGENCY USE ONLY (Leave blank)

2. REPORT DATE

March 2006

3. REPORT TYPE AND DATES COVERED

Annual--Oct. 1, 2004 to Sept. 30, 2005

4. TITLE AND SUBTITLE

5. FUNDING NUMBERS

Water Resources Data--South Carolina, Water Year 2005, Volume 1.

6. AUTHOR(S)

T.W. Cooney, P.A. Drewes, S.W. Ellisor, T.H. Lanier, F. Melendez

7. PERFORMING ORGANIZATION NAME(S) AND ADDRESS(ES)

8. PERFORMING ORGANIZATION REPORT NUMBER

U.S. Geological Survey, Water Resources Division Stephenson Center-Suite 129 720 Gracern Road Columbia, SC 29210-7651

USGS-WDR-SC-05-1

10. SPONSORING / MONITORING AGENCY REPORT NUMBER

9. SPONSORING / MONITORING AGENCY NAME(S) AND ADDRESS(ES)

U.S. Geological Survey, Water Resources Division Stephenson Center-Suite 129 720 Gracern Road Columbia, SC 29210-7651

USGS-WDR-SC-05-1

11. SUPPLEMENTARY NOTES

Prepared in cooperation with the State of South Carolina and with other Federal and local agencies.

12b. DISTRIBUTION CODE

12a. DISTRIBUTION / AVAILABILITY STATEMENT

No restriction on distribution. This report may be purchased from National Technical Information Service, Springfield, VA 22161.

13. ABSTRACT (Maximum 200 words)

Water Resources data for the 2005 water year for South Carolina consists of records of stage, discharge, and water quality of streams; stage and contents of lakes and reservoirs; and levels of ground-water wells. This volume contains records for water discharge at 92 gaging stations, stage only at 35 gaging stations, stage and contents at 11 lakes and reservoirs, water-quality at 45 gaging stations and one observation well, water levels at 28 observation wells, and precipitation at 27 gaging stations. Also included are data for 65 crest-stage partial-record stations and discharge measurement information at 8 miscellaneous sites. Locations of these sites are shown on figures 4, 5, 6, 7, 8 and 9. Additional water data were collected at various sites not involved in the systematic data-collection program. These data represent that part of the National Water Data System collected by the U.S. Geological Survey and cooperating State and Federal agencies in South Carolina.

14. SUBJECT TERMS

15. NUMBER OF PAGES

*South Carolina, *Hydrologic Data, *Surface Water, *Ground Water, *Water Quality, Discharge, Gaging Stations, Lakes, Reservoir, Chemical Analyses, Water Temperature, Water Levels, and Water Analyses. 17. SECURITY CLASSIFICATION OF REPORT

Unclassified NSN 7540-01-280-5500

18. SECURITY CLASSIFICATION OF THIS PAGE

19. SECURITY CLASSIFICATION OF ABSTRACT

621 16. PRICE CODE

20. LIMITATION OF ABSTRACT

Unclassified Standard Form 298 (Rev. 2-89) Prescribed by ANSI Std 239-18 298-102

WATER RESOURCES DATA FOR SOUTH CAROLINA, 2005

v

CONTENTS Preface ....................................................................................................................................................................................... Report documentation page ....................................................................................................................................................... List of surface-water stations, in downstream order, by which records are published ............................................................... List of ground-water stations for which records are published ................................................................................................... List of discontinued surface-water-discharge stations................................................................................................................ List of discontinued surface-water-quality stations ..................................................................................................................... Introduction................................................................................................................................................................................. Cooperation ................................................................................................................................................................................ Summary of hydrologic conditions.............................................................................................................................................. Precipitation and streamflow ............................................................................................................................................... Ground water....................................................................................................................................................................... Definition of terms....................................................................................................................................................................... Downstream order and station number ...................................................................................................................................... Numbering system for wells and miscellaneous sites ................................................................................................................ Special networks and programs ................................................................................................................................................. Explanation of stage- and water-discharge records ................................................................................................................... Data collection and computation ......................................................................................................................................... Data presentation ................................................................................................................................................................ Station manuscript....................................................................................................................................................... Peak discharge greater than base discharge.............................................................................................................. Data table of daily mean values .................................................................................................................................. Statistics of monthly mean data .................................................................................................................................. Summary statistics ...................................................................................................................................................... Identifying estimated daily discharge .................................................................................................................................. Accuracy of field data and computed results....................................................................................................................... Other data records available ............................................................................................................................................... Explanation of precipitation records ........................................................................................................................................... Data collection and computation ......................................................................................................................................... Data presentation ................................................................................................................................................................ Explanation of water-quality records .......................................................................................................................................... Collection and examination of data ..................................................................................................................................... Water analysis..................................................................................................................................................................... Surface-water-quality records..................................................................................................................................................... Classification of records ...................................................................................................................................................... Accuracy of records............................................................................................................................................................. Arrangement of records....................................................................................................................................................... On-site measurements and sample collection .................................................................................................................... Water temperature .............................................................................................................................................................. Sediment ............................................................................................................................................................................. Laboratory measurements .................................................................................................................................................. Data presentation ................................................................................................................................................................ Remarks Codes................................................................................................................................................................... Water-quality control data ................................................................................................................................................... Blank samples ..................................................................................................................................................................... Reference samples ............................................................................................................................................................. Replicate samples ............................................................................................................................................................... Spike samples ..................................................................................................................................................................... Explanation of ground-water-level records ................................................................................................................................. Site identification numbers .................................................................................................................................................. Data collection and computation ......................................................................................................................................... Data presentation ................................................................................................................................................................ Water-level tables........................................................................................................................................................

iii iv vii xi xii xvi 1 2 3 3 3 5 21 21 22 23 23 24 24 25 26 26 26 28 28 28 29 29 29 29 29 29 30 30 30 30 30 31 31 32 32 33 33 34 34 34 35 35 35 35 36 36

vi

WATER RESOURCES DATA FOR SOUTH CAROLINA, 2004

Hydrographs................................................................................................................................................................ 37 Ground-water-quality data.......................................................................................................................................................... 37 Data collection and computation ......................................................................................................................................... 37 Laboratory measurements .................................................................................................................................................. 37 Access to USGS water data...................................................................................................................................................... 37 Surface-water records ................................................................................................................................................................ 45 Discharge at partial-record stations and miscellaneous sites ................................................................................................... 571 Ground-water records ................................................................................................................................................................ 587 Index ......................................................................................................................................................................................... 618 ILLUSTRATIONS Figure 1. Monthly and yearly mean discharges at two long-term representative gaging stations during 2004 water year with the monthly and yearly mean discharges for the period of record ..................................................................

4

Figure 2. System for numbering wells and miscellaneous sites ............................................................................................

21

Figure 3. Map showing location of streams, lakes and basins ..............................................................................................

38

Figure 4. Map showing location of streamflow gaging stations .............................................................................................

39

Figure 5. Map showing location of stage-only stations ..........................................................................................................

40

Figure 6. Map showing location of water-quality stations ......................................................................................................

41

Figure 7. Map showing location of precipitation stations .......................................................................................................

42

Figure 8. Map showing location of crest-stage stations.........................................................................................................

43

Figure 9. Map showing location of ground-water wells..........................................................................................................

44

WATER RESOURCES DATA FOR SOUTH CAROLINA, 2005

vii

SURFACE-WATER STATIONS, IN DOWNSTREAM ORDER, FOR WHICH RECORDS ARE PUBLISHED IN THIS VOLUME [Letters after station names designate type of data: (d) discharge, (c) chemical, (p) precipitation, (b) biological (m) microbiological, (s) sediment, (t) temperature, (e) elevation, gage heights, or contents] Station Number

Station Name

Page

SOUTH ATLANTIC SLOPE BASINS WACCAMAW RIVER BASIN 02110500 Waccamaw River near Longs, SC (d)..................................................................................................................... 02110704 Waccamaw River at Conway Marina at Conway, SC (d,c)..................................................................................... Little River: 02110725 AIW at Highway 544 at Socastee, SC (e,c) ............................................................................................................ 02110755 AIW at Briarcliffe Acres at North Myrtle Beach, SC (c) ........................................................................................... 02110760 AIW at Myrtlewood Golf Course at Myrtle Beach, SC (d,c) .................................................................................... 02110770 AIW at Grand Strand Airport at North Myrtle Beach, SC (c) .................................................................................. 02110777 AIW at Highway 9 at Nixons Crossroads, SC (e,c)................................................................................................. Waccamaw River: 02110802 Waccamaw River at Bucksport, SC (c)................................................................................................................... 02110809 Waccamaw River at Wachesaw Landing near Murrells Inlet, SC (c)...................................................................... 021108125 Waccamaw River near Pawleys Island, SC (e,c).................................................................................................... 02110815 Waccamaw River at Hagley Landing near Pawleys Island, SC (e,c)...................................................................... PEE DEE RIVER BASIN Pee Dee River: 02130561 Pee Dee River near Bennettsville, SC (d)............................................................................................................... 02130900 Black Creek near Mcbee, SC (d) ......................................................................................................................... 02130910 Black Creek near Hartsville, SC (d) ..................................................................................................................... 02130980 Black Creek near Quinby, SC (d,p)...................................................................................................................... 02131000 Pee Dee River at Pee Dee, SC (d) ......................................................................................................................... 02131010 Pee Dee River below Pee Dee, SC (d)................................................................................................................... Lynches River: 02131500 Lynches River near Bishopville, SC (d,p) ............................................................................................................... 02132000 Lynches River at Effingham, SC (d)........................................................................................................................ 02135000 Little Pee Dee River at Galivants Ferry, SC (d,p) ................................................................................................... 02135200 Pee Dee River at Highway 701 near Bucksport, SC (d,c) ...................................................................................... Black River: 02136000 Black River at Kingstree, SC (d) .......................................................................................................................... 02136358 Sampit River near Sampit, SC (d)........................................................................................................................ 02136361 Turkey Creek near Maryville, SC (d).................................................................................................................... SANTEE RIVER BASIN 02146000 Catawba River near Rock Hill, SC (d)..................................................................................................................... 02147020 Catawba River below Catawba, SC (d) .................................................................................................................. 02147500 Rocky Creek at Great Falls, SC (d) ..................................................................................................................... 02148000 Wateree River (Continuation of Catawba River) near Camden, SC (d).................................................................. 02148300 Colonels Creek near Leesburg, SC (d)................................................................................................................ 02148315 Wateree River below Eastover, SC (d,c) ................................................................................................................ Broad River: 02153051 Gaston Shoals Reservoir above Blacksburg, SC (e) ........................................................................................... 02153200 Broad River near Blacksburg, SC (d)...................................................................................................................... 02153550 Ninetynine Island Reservior below Cherokee Falls, SC (e) ................................................................................. 02153551 Broad River below Cherokee Falls, SC (d) ............................................................................................................ 02154500 North Pacolet River at Fingerville, SC (d) ............................................................................................................ 02154790 South Pacolet River near Campobello, SC (d) .................................................................................................... 02154950 Lake William C. Bowen near Fingerville, SC (e) .................................................................................................. 02155500 Pacolet River near Fingerville, SC (d).................................................................................................................. 021556524 Lake Blalock near Cowpens, SC (e) .................................................................................................................... 021556525 Pacolet River below Lake Blalock near Cowpens, SC (d) ...................................................................................

46 48 54 60 62 66 68 76 80 82 86

94 96 98 100 103 105 107 110 112 115 121 123 125 127 129 131 133 135 137 146 147 149 150 152 154 156 157 159 160

viii

WATER RESOURCES DATA FOR SOUTH CAROLINA, 2005

SURFACE-WATER STATIONS, IN DOWNSTREAM ORDER, FOR WHICH RECORDS ARE PUBLISHED IN THIS VOLUME [Letters after station names designate type of data: (d) discharge, (c) chemical, (p) precipitation, (b) biological, (m) microbiological, (s) sediment, (t) temperature, (e) elevation, gage heights, or contents] Station Number

Station Name

Page

SOUTH ATLANTIC SLOPE BASINS--continued SANTEE RIVER BASIN--continued Broad River:--continued 02156050 Lawsons Fork Creek at Dewey Plant near Inman, SC (d) ................................................................................... 162 02156449 Neal Shoals Reservoir near Carlisle, SC (e) ....................................................................................................... 164 02156500 Broad River near Carlisle, SC (d,c) ........................................................................................................................ 166 02157470 Middle Tyger River near Gramling, SC (d) .......................................................................................................... 175 02157490 Beaverdam Creek above Greer, SC (d) .............................................................................................................. 177 02157510 Middle Tyger River near Lyman, SC (d) .............................................................................................................. 179 02158408 South Tyger River below Duncan, SC (d) ........................................................................................................... 181 02160105 Tyger River near Delta, SC (d,c) ......................................................................................................................... 183 02160200 Enoree River at Taylors, SC (d) .......................................................................................................................... 192 02130325 Brushy creek near Greenville, SC (d).................................................................................................................. 194 02160326 Enoree River at Pelham, SC (d) .......................................................................................................................... 196 02160381 Durbin Creek above Fountain Inn, SC (d,p) ........................................................................................................ 198 02160390 Enoree River near Woodruff, SC (d) ................................................................................................................... 201 02160700 Enoree River at Whitmire, SC (d,c) ..................................................................................................................... 203 02160990 Parr Shoals Reservoir at Parr, SC (e) ................................................................................................................. 212 02160991 Broad River near Jenkinsville, SC (e,c).................................................................................................................. 214 02161000 Broad River at Alston, SC (d) ................................................................................................................................. 223 02162093 Smith Branch at North Main Street at Columbia, SC (d) ..................................................................................... 225 02162100 Broad River Diversion Dam at Columbia, SC (e) ................................................................................................ 227 02162110 Broad River Diversion Canal (Forebay) at Columbia, SC (e) .............................................................................. 228 Saluda River: 02162290 South Saluda River near Cleveland, SC (d) ........................................................................................................ 229 02162500 Saluda River near Greenville, SC (d) ..................................................................................................................... 231 02163001 Saluda River near Williamston, SC (d,t) ................................................................................................................. 233 021630967 Grove Creek near Piedmont, SC (d) ................................................................................................................... 237 02163500 Saluda River near Ware Shoals, SC (d) ................................................................................................................. 239 02164000 Reedy River near Greenville, SC (d,p) ................................................................................................................ 241 02164110 Reedy River above Fork Shoals, SC (d) ............................................................................................................. 244 021650905 Reedy River near Waterloo, SC (d)..................................................................................................................... 246 02165200 South Rabon Creek near Gray Court, SC (d,p) ................................................................................................... 248 02166500 Lake Greenwood near Chappells, SC (e)............................................................................................................ 251 02166501 Lake Greenwood Tailrace near Chappells, SC (d,p) ........................................................................................... 252 02167000 Saluda River at Chappells, SC (d).......................................................................................................................... 255 02167450 Little River near Silverstreet, SC (d) .................................................................................................................... 257 02167557 Bush River at Joanna, SC (d,p) ........................................................................................................................... 259 02167563 Bush River at Newberry, SC (d) .......................................................................................................................... 262 02167582 Bush River near Prosperity, SC (d) ..................................................................................................................... 264 02167600 Saluda River near Prosperity, SC (c) ..................................................................................................................... 266 02167716 Little Saluda River near Prosperity, SC (c) .......................................................................................................... 270 02168500 Lake Murray near Columbia, SC (e,c) ................................................................................................................. 274 02168501 Lake Murray Tailrace near Columbia, SC (e) ...................................................................................................... 283 02168504 Saluda River below Lake Murray near Columbia, SC (d,c,p) ................................................................................. 285 02169000 Saluda River near Columbia, SC (d,c) ................................................................................................................... 292 Congaree River: 02169500 Congaree River at Columbia, SC (d) ....................................................................................................................... 298 02169570 Gills Creek at Columbia, SC (d) ........................................................................................................................... 300 02169625 Congaree River at Congaree National Park near Gadsden, SC (e) ........................................................................ 302 02169672 Cedar Creek at Congaree National Park near Gadsden, SC (e)..........................................................................303

WATER RESOURCES DATA FOR SOUTH CAROLINA, 2005

ix

SURFACE-WATER STATIONS, IN DOWNSTREAM ORDER, FOR WHICH RECORDS ARE PUBLISHED IN THIS VOLUME [Letters after station names designate type of data: (d) discharge, (c) chemical, (p) precipitation, (b) biological (m) microbiological, (s) sediment, (t) temperature, (e) elevation, gage heights, or contents] Station Number

Station Name

Page

SOUTH ATLANTIC SLOPE BASINS--continued SANTEE RIVER BASIN--continued Congaree River--continued: 02169740 Congaree River at Southern RR near Fort Motte, SC (e) ....................................................................................... Santee River: 02169810 Santee River at Trezesvants Landing near Fort Motte, SC (e)............................................................................... 02169921 Lake Marion near Elloree, SC (e) ........................................................................................................................... 02171000 Lake Marion near Pineville, SC (e,c) ...................................................................................................................... 02171001 Santee River at Lake Marion Tailrace near Pineville, SC (e,c)............................................................................... 02171500 Santee River near Pineville, SC (d,c) ..................................................................................................................... 02171638 Rediversion Canal Forebay at St. Stephens, SC (c)............................................................................................ 02171639 Rediversion Canal at St. Stephens, SC (c).......................................................................................................... 02171645 Rediversion Canal at Santee River near St. Stephens, SC (d)............................................................................ 02171700 Santee River near Jamestown, SC (d) ................................................................................................................... 02171800 North Santee River near North Santee, SC (e)....................................................................................................... 02171850 South Santee River near McClellanville, SC (e) ..................................................................................................... 02171905 South Santee River at State Pier near McClellanville, SC (e) ................................................................................ COOPER RIVER BASIN Cooper River: West Branch Cooper River: 02172000 Lake Moultrie near Pinopolis, SC (e) .................................................................................................................. 02172001 Lake Moultrie Tailrace near Pinopolis, SC (e) .................................................................................................... 02172002 Lake Moultrie Tailrace Canal at Moncks Corner, SC (d,c).................................................................................. 02172020 West Branch Cooper River at Pimlico near Moncks Corner, SC (e,c)................................................................... 02172035 Turkey Creek near Huger, SC (d) ....................................................................................................................... 02172040 Back River at Dupont Intake near Kittredge, SC (e,c) ........................................................................................ 02172050 Cooper River near Goose Creek, SC (e,c) ............................................................................................................ 02172053 Cooper River at Mobay near North Charleston, SC (d,c) ...................................................................................... 021720677 Cooper River at Filbin Creek near North Charleston, SC (e,c) .............................................................................. 021720696 Wando River at Cainhoy, SC (d,c)......................................................................................................................... 021720698 Wando River above Mt. Pleasant, SC (e,c) ........................................................................................................... 021720709 Cooper River at U.S. Highway 17 at Charleston, SC (e,c) .................................................................................... 021720710 Cooper River at Customs House (Aux) at Charleston, SC (c) ............................................................................... 021720711 Cooper River at Customs House at Charleston, SC (e) ........................................................................................ ASHLEY RIVER BASIN Ashley River: 02172080 Ashley River near Summerville, SC (e,c)............................................................................................................... 02172084 Ashley River at Bakers Landing near North Charleston, SC (d,c) .......................................................................... 021720869 Ashley River near North Charleston, SC (c) ........................................................................................................... CHARLESTON HARB59 02172100 Charleston72arbor at Fort Sumter near Mt. Pleasant, SC (e,c).............................................................................. EDISTO RIVER BASIN Edisto River: 02172300 McTier Creek near Monetta, SC (d)..................................................................................................................... 02173000 South Fork Edisto River near Denmark, SC (d)................................................................................................... 02173030 South Fork Edisto River near Cope, SC (d)......................................................................................................... 02173051 South Fork Edisto River near Bamberg, SC (d)................................................................................................... 02173500 North Fork Edisto River at Orangeburg, SC (d) ................................................................................................... 02174250 Cow Castle Creek near Bowman, SC (d) ............................................................................................................ 02175000 Edisto River near Givhans, SC (d)..........................................................................................................................

304 305 306 307 313 315 320 322 329 331 333 335 337

339 340 342 347 354 356 362 370 377 391 397 411 425 431

433 439 445 459

472 474 476 478 480 482 484

x

WATER RESOURCES DATA FOR SOUTH CAROLINA, 2005

SURFACE-WATER STATIONS, IN DOWNSTREAM ORDER, FOR WHICH RECORDS ARE PUBLISHED IN THIS VOLUME [Letters after station names designate type of data: (d) discharge, (c) chemical, (p) precipitation, (b) biological, (m) microbiological, (s) sediment, (t) temperature, (e) elevation, gage heights, or contents] Station Station Number Name Page SOUTH ATLANTIC SLOPE BASINS--continued COMBAHEE RIVER BASIN 02175500 Salkehatchie River near Miley, SC (d).................................................................................................................. 486 BROAD RIVER BASIN 02176500 Coosawhatchie River (head of Broad River) near Hampton, SC (d) .................................................................... 488 02176585 Brickyard Creek near Beaufort, SC (e,c,p) ........................................................................................................... 490 02176603 Beaufort River at Beaufort, SC (e,c)..................................................................................................................... 499 02176611 Beaufort River near Port Royal, SC (d,c) ............................................................................................................. 507 02176635 Battery Creek at Port Royal, SC (e,c)................................................................................................................... 513 SAVANNAH RIVER BASIN 02177000 Chattooga River (head of Savannah River) near Clayton, GA (d).......................................................................... 521 02186000 Twelve Mile Creek near Liberty, SC (d,p)............................................................................................................ 523 02186699 Eighteenmile Creek above Pendleton, SC (d) ..................................................................................................... 526 02187010 Hartwell Lake near Anderson, SC (e,p)............................................................................................................... 528 02187910 Rocky River near Starr, SC (d)............................................................................................................................ 531 02188100 Russell Lake above Calhoun Fall, SC (e,p)......................................................................................................... 533 02192500 Little River near Mount Carmel, SC (p) ............................................................................................................... 538 02192830 Blue Hill Creek at Abbeville, SC (d,p).................................................................................................................. 541 02193900 Thurmond Lake near Plum Branch, SC (e,p) ...................................................................................................... 542 02196000 Stevens Creek near Modoc, SC (d)..................................................................................................................... 544 02196999 Savannah River at New Savannah Bluff Lock and Dam at Augusta, GA (e,p) ..................................................... 546 02197000 Savannah River at Augusta, GA (d) ....................................................................................................................... 549 02197323 D-006 at Savannah River Site, SC (d)................................................................................................................ 551 02197326 Beaverdam Creek at 400-D at Savannah River Site, SC (d).............................................................................. 553 02197500 Savannah River at Burtons Ferry Bridge near Millhaven, GA (d,p) ........................................................................ 555 02198500 Savannah River near Clyo, GA (d) ......................................................................................................................... 558 02198760 Savannah River above Hardeeville, SC (e)............................................................................................................ 560 02196690 USGS Raingage at Horse Creek at Clearwater, SC (p) ............................................................................. 562 334710081550700 USGS Raingage at Edgefield, SC (p)....................................................................................................... 563 335358081331900 USGS Raingage at Batesburg, SC (p) ..................................................................................................... 564 340008081501800 USGS Raingage at Saluda, SC (p) .......................................................................................................... 565 341256082092000 USGS Raingage at Sample Branch at Greenwood, SC (p) ..................................................................... 566 341913081341500 USGS Raingage at Newberry, SC (p) ...................................................................................................... 567 343024080130600 USGS Raingage near McBee, SC (p) ...................................................................................................... 568 343714082285600 USGS Raingage at Williamston, SC (p) ................................................................................................... 569 344446080202600 USGS Raingage near Pageland, SC (p) .................................................................................................. 570 Discharge at partial-record stations and miscellaneous sites..................................................................................................... 571 Lake and Reservoirs in South Carolina ......................................................................................................................................571 Crest-Stage Partial-Record Stations ......................................................................................................................................572 Discharge at Miscellaneous Sites...........................................................................................................................................579

WATER RESOURCES DATA FOR SOUTH CAROLINA, 2005

xi

GROUND-WATER WELLS, BY COUNTY, FOR WHICH RECORDS ARE PUBLISHED IN THIS VOLUME Station Number

Station Name

Page

AIKEN COUNTY 331940081443501. Local number, AK-430................................................................................................................................ ANDERSON COUNTY 343714082285600. Local number, AND-326. ........................................................................................................................... BEAUFORT COUNTY 321603080432202. Local number, BFT-1810 (c). ..................................................................................................................... BERKELEY COUNTY 331022080021801. Local number, BRK-431. ........................................................................................................................... CHARLESTON COUNTY 324729079472001. Local number, CHN-14. ............................................................................................................................. 330247079340300. Local number, CHN-101. ........................................................................................................................... CHEROKEE COUNTY 350918081263408. Local number, CRK-74. ............................................................................................................................. CHESTER COUNTY 344000081250011. Local number, CTR-21. ............................................................................................................................. FLORENCE COUNTY 340806079563100. Local number, FLO-85. .............................................................................................................................. 341144079345001. Local number, FLO-128.............................................................................................................................. HAMPTON COUNTY 324143080505900. Local number, HAM-83. ............................................................................................................................. MARLBORO COUNTY 342935079431000. Local number, MLB-110. ........................................................................................................................... 343715079411500. Local number, MLB-112/134. .................................................................................................................... McCORMICK COUNTY 335336082214600. Local number, MCK-52. ............................................................................................................................. OCONEE COUNTY 345051083041800. Local number, OC-233. ............................................................................................................................. RICHLAND COUNTY 334930080514400. Local number, RIC-341. ............................................................................................................................ 334844080514200. Local number, RIC-342. ............................................................................................................................ 334835080515600. Local number, RIC-343. ............................................................................................................................ 334495008049100. Local number, RIC-345. ............................................................................................................................ 334859080493900. Local number, RIC-346. ............................................................................................................................ 334613080470400. Local number, RIC-699. ............................................................................................................................ 334548080403100. Local number, RIC-700. ............................................................................................................................ 334833080515800. Local number, RIC-701. ............................................................................................................................ 334852080471400. Local number, RIC-702. ............................................................................................................................ 334751080424200. Local number, RIC-703. ............................................................................................................................ 334616080470600. Local number, RIC-704. ............................................................................................................................ 334741080465400. Local number, RIC-705. ............................................................................................................................ SPARTANBURG COUNTY 345145081502900. Local number, SP-1581. ............................................................................................................................

588 589 590 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617

xii

WATER RESOURCES DATA FOR SOUTH CAROLINA, 2005

DISCONTINUED SURFACE-WATER DISCHARGE OR STAGE-ONLY STATIONS The following continuous-record surface-water stations (gaging stations) in South Carolina have been discontinued. Daily streamflow or stage records were collected and published for the period of record, expressed in water years, shown for each station. Those stations with an asterisk (*) after the station number are currently operated as partial-record stations. Discontinued project stations with less than 3 years of record have not been included. Information regarding these stations may be obtained from the District Office at the address given on the back side of the title page of this report. [Letters after station name designate type of data collected: (d) discharge, (e) elevation (stage-only)]

WACCAMAW RIVER BASIN Waccamaw River at Highway 501 near Conway, S.C. (d)

02110705

---

1989-1994

1980-1995 1941-1958 1971-1981 1967-1992 1976-1997 1990-2000 1939-1971 1951-1966, 1972-1992 1990-2000 1968-2003 1993-1995 2001-2003 1993-1995 1994-1995 1998-2004 1998-2004

PEE DEE RIVER BASIN Whites Creek near Wallace, S.C. (d) Juniper Creek near Cheraw, S.C. (d) Cedar Creek at Society Hill, S.C. (d) Catfish Canal at Sellers, S.C. (d) Fork Creek at Jefferson, S.C. (d) Little Fork Creek at Jefferson, S.C. (d) Little Pee Dee River near Dillon, S.C. (d) Black River near Gable, S.C. (d)

02129590 02130500 02130600 02131150 02131309 02131320 02132500* 02135500

26.4 64.0 58.2 27.4 24.3 15.0 524 401

Pee Dee R @ Topsaw Landing near Plantersville, S.C. (d) Scape Ore Swamp near Bishopeville, S.C. (d) Pocotaoliago River at Sumter, S.C. (d) Turkey Creek at Sumter, S.C. (d) Pocotaoliago River near Sumter, S.C. (d) Pocotaoliago River at Manning, S.C. (d) Sampit River at Sampit, S.C. (e) Sampit River at Georgetown, S.C. (e)

02135210 02135300* 02135517 02135520 02135600 02135625 02136354 02136370

--96.0 134 10.1 185 306 -----

SANTEE RIVER BASIN Crowders Creek near Clover, S.C. (d) Sugar Creek near Fort Mill, S.C. (d) Catawba River near Catawba, S.C. (d) Bear Creek at Lancaster, S.C. (d) Fishing Creek below Fort Lawn, S.C. (d) Broad River near Gaffney, S.C. (d)

02145642* 02146800 02147000 02147240 02147403 02153500

89.0 262 3,530 66.6 134 1,490

Gillies Creek near Lugoff, S.C. (d) Broad River near Hickory Grove, S.C. (d) Clarks Fork Creek near Smyrna, S.C. (d) Bullock Creek near Sharon, S.C. (d) Buck Creek near Fingerville, S.C. (d) Pacolet River near Clifton, S.C. (d) Lawsons Fork Creek at Spartanburg, S.C. (d) Lawsons Fork Creek at Treatment Plant at Spartanburg, S.C. (d) Broad River near Lockhart, S.C. (d) Neals Creek near Carlisle, S.C. (d) North Tyger River near Fairmont, S.C. (d) Middle Tyger River at Lyman, S.C. (d) North Tyger River near Moore, S.C. (d) Maple Creek near Duncan, S.C. (d) South Tyger River Below Lyman, S.C. (d) South Tyger River near Reidville, S.C. (d) South Tyger River near Woodruff, S.C. (d) Tyger River near Woodruff, S.C. (d)

02148071 02153680 02153780* 02153800* 02155600 02156000 02156300 02156301*

38.1 1,650 24.1 84.3 10.0 320 74.7 75.6

1991-2003 1974-1979 1968-1992 1978-1982 2001-2003 1938-1971, 1986-1990 1994-1997 2001-2003 1980-2002 1990-2003 1967-1969 1940-1971 1966-1970 1989-1997

02156409 02156450 02157000 02157500* 02158000 021584051 02158410 02158500 02159000 02159500

2,720 12.3 44.4 68.3 162 10.2 96.3 106 174 351

1993-1999 1981-1996 1951-1988 1938-1967 1934-1967 1993-1995 1993-1995 1935-1967 1934-1971 1930-1956

WATER RESOURCES DATA FOR SOUTH CAROLINA, 2005

xiii

DISCONTINUED SURFACE-WATER DISCHARGE OR STAGE ONLY-STATIONS--Continued [Letters after station name designate type of data collected: (d) discharge, (e) elevation (stage-only)] Station name

Station number

Drainage area (mi2)

Dutchman Creek near Pauline, S.C. (d) Fairforest Creek at Spartanburg, S.C. (d) Fairforest Creek below Spartanburg, S.C. (d) Fairforest Creek near Union, S.C. (d) Brushy Creek near Pelham, S.C. (d) Enoree River near Enoree, S.C. (d) Indian Creek above Newberry, S.C. (d) Hellers Creek near Pomaria, S.C. (d) Broad River at Richtex, S.C. (d)

02159600 02159800 02159810* 02160000* 021603257 02160500 021607224 02160775 02161500

West Fork Little River near Salem Crossroads, S.C. (d) Cedar Creek near Blythewood, S.C. (d)

02161700 02162010

25.5 48.9

02162080 02162350* 02162525 02163000 02166970 02167500 021677037* 02169550 02169630 02169670 02169850

66.5 21.0

Crane Creek at Columbia, S.C. (d) Middle Saluda River near Cleveland, S.C. (d) Hamilton Creek near Easley, S.C. (d) Saluda River near Pelzer, S.C. (d) Ninety-Six Creek near Ninety-Six, S.C. (d) Saluda River near Silverstreet, S.C. (d) Little Saluda River at Saluda, S.C. (d) Congaree Creek at Cayce, S.C. (d) Big Beaver Creek near St. Matthews, S.C. (d) Cedar Creek below Myers Creek near Hopkins, S.C. (d) Lake Marion at Buckingham Landing near Lone Star, S.C. (e) Lake Marion at Rimini, S.C. (e) Santee River at Ferguson, S.C. (d) Lakes Marion-Moultrie Div. Canal (Upper)near Pineville, S.C. (e) Santee River below St. Stephens, S.C. (d) Wedboo Creek near Jamestown, S.C. (d) Minim Creek at AIW near North Santee, S.C. (e)

405 17.4 1,627.13 90.0 122 10.0 66.9 ---

1966-1969 1966-1970 1988-1998 1940-1971 1996-1997 1930-1977 1996-1998 1981-1994 1926-1928, 1930-1983 1981-1997 1967-1983 1985-1996 1968-1974 1981-2003 1981-1986 1930-1971 1981-2001 1927-1965 1992-2001 1960-1980 1966-1993 1981-1985 1977-1980

02169900 02170000 02170500

14,194 14,600 ---

1975-1978 1908-1941 1943-1986

02171650 02171680

14,900 17.4

1966-1982 1967-1972, 1973-1992 1974-1975, 1976-1993

02171820

8.97 17.0 23.6 183 13.8 307 62.7 8.16 4,850

Period of record

---

COOPER RIVER BASIN West Branch Cooper River at Mepkin Abbey near Cordesville, S.C. (e) East Branch Cooper River near Goose Creek, S.C. (e) Foster Creek at Goose Creek, S.C. (e) Cooper River at Army Depot near North Charleston, S.C. (e)

02172019

---

1989-1999

02172037 021720612 021720675

-------

1991-1995 1991-1994 1993-1995

-------

1992-1995 1992-1995 1992-1995

-----------

2001-2003 2001-2003 2001-2003 1992-1995 1992-1995

WANDO RIVER BASIN Wando River above Cainhoy, S.C. (e) Guerin Creek above Cainhoy, S.C. (e) Wando River at Cainhoy, S.C. (e)

021720694 021720695 021720696 ASHLEY RIVER BASIN

Great Cypress Swamp near Ridgeville, S.C. (e) Ashley River near Summerville, S.C. (e) Sawmill Branch near Summerville, S.C. (e) Ashley River at Charleston, S.C. (e) Wappoo Creek at James Island, S.C. (e)

02172076 02172080 021720813 02172090 02172091

xiv

WATER RESOURCES DATA FOR SOUTH CAROLINA, 2005

DISCONTINUED SURFACE-WATER DISCHARGE OR STAGE ONLY-STATIONS--Continued [Letters after station name designate type of data collected: (d) discharge, (e) elevation (stage-only)] Station name

Station number

Drainage area (mi2)

Period of record

CHARLESTON HARBOR AIW at Sullivans Island, S.C. (e)

02172095

---

1992-1995

EDISTO RIVER BASIN South Fork Edisto River near Montmorenci, S.C. (d) Bull Swamp Creek below Swansea, S.C. (d) Edisto River near Branchville, S.C. (d) Savannah Creek near Ehrhardt, S.C. (d)

02172500 02173351 02174000* 02175445

198 34.4 1,720 2.20

1940-1966 2001-2003 1946-1996 2001-2003

1,100

1951-1957

COMBAHEE RIVER BASIN Combahee River near Yemassee, S.C. (d)

02176000 BROAD RIVER BASIN

Okatee River near Bluffton, S.C. (e) Okatee River near Chelsea, S.C. (e) Albergotti Creek at Beaufort, S.C. (e) Beaufort River above Beaufort, S.C. (e) May River near Pritchardville, S.C. (e) May River near Bluffton, S.C. (e) Great Swamp near Ridgeland, S.C. (d)

02176575 02176576 02176587 02176589 02176711 02176720 02176875

--------14.0 20.9 48.8

2001-2004 2001-2004 1998-2001 1998-2001 2002-2004 2002-2004 1977-1984

02184500 02185000 02185145

47.3 148 795

1951-1968 1950-1968 1989-1990

02185200* 02185500 02186645 02187000 02187250 02187252

72.0 455 65.4 1,026 2,088 2,090

1967-2003 1939-1961 1989-2003 1928-1959 1961-2001 1984-1999

02187500 02188000 02189000

2,231 267 2,876

1950-1981 1950-1966 1897-1898, 1899-1900, 1930-1932, 1938-1979 1984-2001 1952-2001 1940-1954 1988-2001

SAVANNAH RIVER BASIN Whitewater River at Jocassee, S.C. (d) Keowee River near Jocassee, S.C. (d) Lake Keowee near Six Mile, S.C. (e) Prior to 1995 pupblished as station number 02185300 Little River near Walhalla, S.C. (d) Keowee River near Newry, S.C. (d) Coneross Creek near Seneca, S.C. (d) Seneca River near Anderson, S.C. (d) Lake Hartwell near Hartwell, S.C. (e) Savannah River below Hartwell Lake near Hartwell, Ga. (d) Savannah River near Iva, S.C. (d) Rocky River near Calhoun Falls, S.C. (d) Savannah River near Calhoun Falls, S.C. (d)

Lake Richard B. Russell near Calhoun Falls, S.C. (e) Lake Thurmond near Clarks Hill, S.C. (e) Savannah River near Clarks Hill, S.C. (d) Savannah River at Stevens Creek Dam near Morgana, S.C. (e) Savannah River near North Augusta, S.C. (d) Augusta Canal near Augusta, S.C. (d) Horn Creek near Colliers, S.C. (d) Little Horse Creek near Graniteville, S.C. (d)

02189004 02194500 02195000 02196483

2,900 6,150 6,150 7,150

02196484 02196485 02196250 02196689

7,150 --13.9 26.6

Augusta Canal at Augusta, Ga. (d)

02196500

---

Upper Three Runs near New Ellenton, S.C. (d)

02197300

87.0

1988-2002 1996-2003 1981-1994 1989-1999, 2000-2001 1931-1957, 1989-1992 1966-2002

WATER RESOURCES DATA FOR SOUTH CAROLINA, 2005

xv

DISCONTINUED SURFACE-WATER DISCHARGE OR STAGE ONLY-STATIONS--Continued [Letters after station name designate type of data collected: (d) discharge, (e) elevation (stage-only)] Station name

Station number

Drainage area (mi2)

Tinker Creek at Road 8-11 at Savannah River Site (d) Mill Creek at Savannah River Site (d) McQueen Branch at Road F at Savannah River Site (d) Tims Branch at Road 2 at Savannah River Site (d) Tims Branch at Road C at Savannah River Site (d)

021973005 021973007 021973008 02197306 02197309

16.3 --0.82 13.8 17.5

H-002 at Savannah River Site (d) Crouch Branch near H-Area at Savannah River Site (d) A-003 at Savannah River Site (d) A-011 at Savannah River Site (d) Upper Three Runs above Road C at Savannah River Site (d)

021973011 021973012 021973026 021973028 02197310

--------17.6

Upper Three Runs above Road A at Savannah River Site (d)

02197315

20.3

Savannah River near Jackson, S.C. (d) X-004 at Savannah River Site (d) D-006 at Savannah River Site (d) Beaverdam Creek at 400-D at Savannah River Site (d) HP-52 Outfall at Savannah River Site (d) Site No. 1 at Savannah River Site (d) H-008 at Savannah River Site (d) Site No. 2 at Savannah River Site (d) Site No. 3 at Savannah River Site (d) Site No. 4 at Savannah River Site (d) Site No. 5 at Savannah River Site (d) Site No. 5B at Savannah River Site (d) Site No. 6 at Savannah River Site (d) C-001 at Savannah River Site (d) Site No. 7 at Savannah River Site (d) C-003 at Savannah River Site (d) C-004 at Savannah River Site (d) Four Mile Creek at Road 13 at Savannah River Site (e) Four Mile Creek at Road A-12.2 at Savannah River Site (d) K-011 at Savannah River Site (d) Indian Grave Branch at Savannah River Site (d) Pen Branch at Road B at Savannah River Site (d) Pen Branch at Road A-13.2 at Savannah River Site (d)

02197320 02197321 02197323 02197326 021973305 02197330 02197331 02197332 02197334 02197336 02197338 02197339 02197340 021973405 02197342 021973424 021973426 021973441 02197344 02197345 021973455 021973471 02197348

8,110 ----0.73 --0.13 --0.30 5.95 6.96 0.28 0.57 7.53 --12.5 ------22.0 --2.06 --21.2

Pen Branch at Road A-17 at Savannah River Site (e) Pen Branch near Stave Island at Savannah River Site (e) P-013 at Savannah River Site (d) Steel Creek above Road B at Savannah River Site (d) L-007 Outfall at Savannah River Site (d) L-Lake above Dam at Savannah River Site (e) Steel Creek below L-Lake at Savannah River Site (d) P-007 at Savannah River Site (d) Meyers Branch at Road 9 at Savannah River Site (d) Steel Creek near Snelling (e) Par Pond at Road 8 at Savannah River Site (e) P-019 at Savannah River Site (d) Lower Three Runs below Par Pond at Savannah River Site (d)

021973482 021973484 02197351 021973515 021973525 02197353 021973537 02197354 021973561 02197357 02197361 02197362 02197380

------------------------36.7

Lower Three Runs near Snelling, S.C. (d)

02197400

59.3

Lower Three Runs near Martin, S.C. (d)

02197415

110

Period of record 1993-1996 1995-1996 1990-1997 1994-1996 1974-1982, 1985-1996 1996-2002 1991-2002 1984-1994 1984-1994 1974-1998, 1998-2002 1974-1978, 1978-2002 1971-2002 1984-1996 1984-2002 1974-2002 1985-1996 1973-1996 1985-1996 1973-1990 1973-1999 1973-1992 1972-2002 1980-2002 1972-2002 1984-1996 1972-2002 1984-1996 1984-1996 1994-1996 1976-2002 1984-1996 1987-1996 1984-1996 1976-1983, 1983-2002 1994-1996 1994-1996 1984-1996 1986-2002 1985-2002 1988-1996 1989-1996 1984-1996 1993-1996 1988-1995 1992-1996 1984-1996 1974-1982, 1987-2002 1974-1996, 1997-2002 1997-2002

xvi

WATER RESOURCES DATA FOR SOUTH CAROLINA, 2005 DISCONTINUED SURFACE-WATER-QUALITY STATIONS

The following stations were discontinued as continuous-record surface-water-quality stations prior to the 2005 water year. Daily records of temperature, specific conductance, pH, or dissolved oxygen were collected and published for the period of record shown, expressed in water years, for each station. Station name

Station number

Waccamaw River at Pitch Landing near Conway, S.C. AIW at Highway 544 at Socastee, S.C. AIW at Vereens Marina at North Myrtle Beach, S.C. AIW at Briarcliffe Acres at North Myrtle Beach, S.C. AIW at Myrtlewood Golf Course at Myrtle Beach, S.C. AIW at Highway 9 at Nixons Crossroads, S.C. Waccamaw River at Bucksport, S.C.

02110707 02110725 02110730 02110755 02110760 02110777 02110802

Waccamaw River at Wachesaw Landing near Murrells Inlet, S.C. Waccamaw River at Mt. Rena near Murrells Inlet, S.C. Waccamaw River at Hagley Landing near Pawleys Island, S.C. Pee Dee River at Pee Dee, S.C. Pee Dee River at Poston, S.C.

Type of record

Period of record

02110809

Temp., S.C., pH, D.O. S.C., pH S.C. Temp., pH, D.O. Temp., pH, D.O. pH pH S.C. Temp., pH, D.O.

1986-1989 1986-1992 1984-1991 1986-1989 1986-1989 1986-1989 1986-1989 1984-1995 1986-1989

02110812 02110815

Temp., S.C., pH, D.O. pH

1986-1989 1986-1989

02131000 02131221

1978-1981 1995-2003 1996-2003 1975-1981 1986-1989 1986-1994 1975-1981 1964-1966 1965-1966 1991-2003 1992-1995 1967-1972 1967-1972 1978-1994 1993-2002 1973-1981

Lynches River at Effingham, S.C. Pee Dee River at Highway 701 near Bucksport, S.C.

02132000 02135200

Black River at Kingstree, S.C. Black River near Rhems, S.C.

02136000 02136070

Wateree River near Camden, S.C. Wateree River below Camden, S.C. North Tyger River near Fairmont, S.C. Enoree River near Enoree, S.C. Monticello Reservoir near Jenkinsville, S.C. Little Saluda River near Prosperity, S.C. Lakes Marion-Moultrie Diversion Canal near Pineville, S.C. Minim Creek at AIW near North Santee, S.C. South Santee River at State Pier near McClellanville, S.C. West Branch Cooper River near Monks Corner, S.C. West Branch Cooper River at Pimlico near Moncks Corner, S.C. Cooper River at Rice Mill near Kittredge, S.C. Back River at Dupont Intake near Kittredge, S.C. Cooper River near Goose Creek, S.C.

02148000 02148060 02157000 02160500 02160900 02167716 02170500

Temp., S.C. Temp. pH, D.O. Temp., S.C. pH S.C. Temp., S.C. Temp. S.C. Temp., S.C., pH, D.O. Temp., D.O. Temp. Temp. Temp., S.C., pH, D.O. Temp., D.O. Temp., S.C.

02171820 02171905 02172017 02172020

S.C. S.C. Temp. pH, D.O.

1979-1993 1987-1993 1976-1982 1983-1993

02172030 02172040 02172050

Cooper River at Mobay near North Charleston, S.C. Chicken Creek at North Charleston, S.C. Great Cypress Swamp near Ridgeville, S.C. Ashley River at Cooke Crossroads, S.C. Ashley River near Cooke Crossroads, S.C. Sawmill Branch near Summerville, S.C. Dorchester Creek near Cooke Crossroads, S.C. Eagle Creek near North Charleston, S.C. Edisto River near Jacksonboro, S.C. Edisto River near Givhans, S.C. Broad River near Beaufort, S.C. Albergotti Creek at Beaufort, S.C. Beaufort River above Beaufort, S.C.

02172053 021720605 02172076 02172081 021720812 021720813 021720816 021720817 02175030 02175000 02176560 02176587 02176589

S.C. pH, D.O. pH D.O. pH Temp., S.C. Temp., D.O. Temp., S.C., D.O. Temp., S.C., D.O. Temp., D.O. Temp., S.C., D.O. Temp., S.C., D.O. Temp. Temp., S.C., pH, D.O. Temp., S.C., D.O. Temp., S.C., D.O. Temp., S.C., D.O.

May River near Pritchardville, S.C. May River near Bluffton, S.C. May River below Brighton Beach, S.C.

02176711 02176720 02176735

Temp., S.C., D.O. Temp., S.C., D.O. Temp., S.C., D.O.

1981-1985 1981-1993 1981-1993 1981-1995 1983-1993 1982-1986 2001-2003 1992-2003 2001-2003 2001-2003 2001-2003 2001-2003 1959-1962 2002-2003 2000-2001 1998-2001 1998-2001 2003-2004 2002-2004 2002-2004 2002-2004

WATER RESOURCES DATA FOR SOUTH CAROLINA, 2005

xvii

DISCONTINUED SURFACE-WATER-QUALITY STATIONS--Continued Station name

Station number

Type of record

Keowee River near Jocassee, S.C. Savannah River at Augusta, GA

02185000 02197000

Temp. Temp.

Savannah River near Jackson, S.C. Beaverdam Creek at Mouth at Savannah River Site, S.C. L-Lake above Dam at Savannah River Site, S.C. Steel Creek near Snelling, S.C. Savannah River below Steel Creek near Millett, S.C. Lower Three Runs below Par Pond at Savannah River Site, S.C.

02197320 021973265 02197353 02197357 02197370 02197380

Temp. Temp. Temp. Temp. Temp. Temp.

Period of record 1962-1968 1974-1986, 1990-1993 1972-1994 1980-1994 1988-1993 1980-1994 1972-1993 1984-1993

WATER RESOURCES DATA FOR SOUTH CAROLINA, 2005

1

INTRODUCTION Water resources data for the 2005 water year for South Carolina consist of records of stage, discharge, and water quality of streams, stage and contents of lakes and reservoirs, ground-water levels, and precipitation. This report contains discharge records for 92 gaging stations; stage-only records for 35 gaging stations; stage and contents for 11 lakes and reservoirs; water quality for 45 gaging stations; water levels for 28 observation wells; and precipitation for 27 stations. Also included are data for 65 creststage partial-record stations and discharge measurements at 8 miscellaneous sites. Additional water data were collected at various sites, not part of the systematic data collection program, and are published as miscellaneous investigations of water quality. These data represent that part of the National Water Data System collected by the U.S. Geological Survey and cooperating State and Federal agencies in South Carolina. Records of discharge and stage of streams, and contents or stage of lakes and reservoirs were first published in a series of U.S. Geological Survey water-supply papers entitled, "Surface Water Supply of the United States." Through September 30, 1960, these water-supply papers were in an annual series and then in a 5-year series for 1961-65 and 1966-70. Records of chemical quality, water temperatures, and suspended sediment were published from 1941 to 1970 in an annual series of water-supply papers entitled, "Quality of Surface Waters of the United States." Records of ground-water levels were published from 1935 to 1974 in a series of water-supply papers entitled "Ground-Water Levels in the United States." Water-supply papers may be consulted in the libraries of the principal cities in the United States or may be purchased from Branch of Distribution, U.S. Geological Survey, 604 South Pickett Street, Arlington, VA 22304. For water years 1961 through 1970, streamflow data were released by the Geological Survey in annual reports on a Stateboundary basis. Water-quality records for water years 1964 through 1970 were similarly released either in separate reports or in conjunction with streamflow records. Beginning with the 1971 water year, water data for streamflow, water quality, and ground water are published as an official Survey report on a State-boundary basis. These official Survey reports carry an identification number consisting of the two letter State Abbreviation, the last two digits of the water year, and the volume number. For example, this report is identified as "U.S. Geological Survey Water-Data Report SC-05-1." For archiving and general distribution, the reports for water years 1971-74 are also identified as water-data reports. These water-data reports are for sale, in paper copy or in microfiche, by the National Technical Information Service, U.S. Department of Commerce, Springfield, VA 22161.

2

WATER RESOURCES DATA FOR SOUTH CAROLINA, 2005

COOPERATION The U.S. Geological Survey (USGS) and organizations of the State of South Carolina have had cooperative agreements for the systematic collection of water records since 1930. Organizations that supplied data are acknowledged in station manuscripts. Organizations that assisted in collecting data through cooperative agreement with the USGS are: Beaufort-Jasper Sewer and Water Authority Berkeley, Charleston, Dorchester Counties Council of Governments Charleston Water Systems City of Augusta City of Anderson City of Charleston City of Mount Pleasant, Waterworks and Sewer Commission City of Myrtle Beach City of Newberry College of Charleston Georgetown County Water and Sewer Authority Horry County Laurens County Water and Sewer Commission South Carolina Department of Health and Environmental Control South Carolina Department of Natural Resources South Carolina Public Service Authority South Carolina Department of Transportation Spartanburg Water Works Startex, Jackson, Wellford, and Duncan Water District Town of Lyman Town of Timmonsville Waccamaw Regional Planning and Development Council Western Carolina Regional Sewer Authority

The following Federal agencies assisted in the data collection by furnishing funds or services: National Park Service U.S. Army Corps of Engineers U.S. Department of Energy

The following corporations aided in collecting records: Bowater-Carolina Corporation Duke Energy Corporation International Paper Corporation Milliken Chemical Corporation Progress Energy Corporation South Carolina Electric and Gas Company Smurfit-Stone Container Corporation Weyerhauser Industries

WATER RESOURCES DATA FOR SOUTH CAROLINA, 2005

3

SUMMARY OF HYDROLOGIC CONDITIONS Precipitation and streamflow Rainfall totals and streamflows were below normal throughout South Carolina during the 2005 water year. Rainfall in the Piedmont, as indicated by the National Weather Service (NWS) station at the Greenville-Spartanburg Airport, was about 9 percent below normal for the year. Rainfall recorded near Columbia and Charleston by the NWS was about 8 percent and about 16 percent below normal, respectively, for the year. Hurricane Ophelia (Sep. 7-18) affected the northeast coastal region of South Carolina during the month of September. Rainfall for the North Myrtle Beach station totalled 6.34 inches during this period. Rainfall associated with Hurricane Dennis (July 4-12) resulted in flooding in many parts of the upstate. Rainfall total at Greenville-Spartanburg Airport during this time was 4.9 inches A comparison of monthly and yearly mean discharges during the 2005 water year and the monthly and yearly mean discharges for the period of record for two of the long-term index stations are shown in figure 1. Monthly mean discharges for the 2005 water year for the South Fork Edisto River near Denmark station and the Lynches River at Effingham station were near average of those observed for the period of record during the water year. Ground Water Ground-water levels reflect both the climatic conditions of the region and ground-water withdrawals. In the Piedmont ground water occurs in the fault and fracture systems of the crystalline rocks and in the shallow unconsolidated material overlying the rock. Water levels in the shallow water table aquifer in the Piedmont, which is not heavily pumped, decreased slightly during the 2005 water year at an observation well near Anderson. Water levels in an unused 75-foot deep water table well, AND-326, decreased from about 3.24 feet below land surface on October 1, 2004, to about 3.50 feet below land surface on Sept. 30, 2005. In the Coastal Plain, ground water occurs in multiple aquifer systems, mostly under artesian or confined conditions. Ground water is used extensively in this part of the State. At Charleston, levels in well CHN-14 decreased about 11 feet from October 1, 2004, to mid-May. However, the water level at the end of the 2005 water year remained about 7 feet lower than the beginning of the year.

4

WATER RESOURCES DATA FOR SOUTH CAROLINA, 2005

Figure 1.--Monthly and yearly mean discharges at two long-term representative gaging stations during 2005 water year with the median discharges for the period of record.

WATER RESOURCES DATA—SOUTH CAROLINA, 2005

5

DEFINITION OF TERMS Specialized technical terms related to streamflow, water-quality, and other hydrologic data, as used in this report, are defined below. Terms such as algae, water level, and precipitation are used in their common everyday meanings, definitions of which are given in standard dictionaries. Not all terms defined in this alphabetical list apply to every State. See also table for converting English units to International System (SI) Units. Other glossaries that also define water-related terms are accessible from http://water.usgs.gov/glossaries.html. Acid neutralizing capacity (ANC) is the equivalent sum of all bases or base-producing materials, solutes plus particulates, in an aqueous system that can be titrated with acid to an equivalence point. This term designates titration of an “unfiltered” sample (formerly reported as alkalinity). Acre-foot (AC-FT, acre-ft) is a unit of volume, commonly used to measure quantities of water used or stored, equivalent to the volume of water required to cover 1 acre to a depth of 1 foot and equivalent to 43,560 cubic feet, 325,851 gallons, or 1,233 cubic meters. (See also “Annual runoff”) Adenosine triphosphate (ATP) is an organic, phosphaterich compound important in the transfer of energy in organisms. Its central role in living cells makes ATP an excellent indicator of the presence of living material in water. A measurement of ATP therefore provides a sensitive and rapid estimate of biomass. ATP is reported in micrograms per liter. Adjusted discharge is discharge data that have been mathematically adjusted (for example, to remove the effects of a daily tide cycle or reservoir storage). Algal growth potential (AGP) is the maximum algal dry weight biomass that can be produced in a natural water sample under standardized laboratory conditions. The growth potential is the algal biomass present at stationary phase and is expressed as milligrams dry weight of algae produced per liter of sample. (See also “Biomass” and “Dry weight”) Alkalinity is the capacity of solutes in an aqueous system to neutralize acid. This term designates titration of a “filtered” sample. Annual runoff is the total quantity of water that is discharged (“runs off”) from a drainage basin in a year. Data reports may present annual runoff data as volumes in acrefeet, as discharges per unit of drainage area in cubic feet per second per square mile, or as depths of water on the drainage basin in inches. Annual 7-day minimum is the lowest mean value for any 7-consecutive-day period in a year. Annual 7-day minimum values are reported herein for the calendar year and the water year (October 1 through September 30). Most

low-flow frequency analyses use a climatic year (April 1March 31), which tends to prevent the low-flow period from being artificially split between adjacent years. The date shown in the summary statistics table is the initial date of the 7-day period. (This value should not be confused with the 7-day, 10-year low-flow statistic.) Aroclor is the registered trademark for a group of polychlorinated biphenyls that were manufactured by the Monsanto Company prior to 1976. Aroclors are assigned specific 4-digit reference numbers dependent upon molecular type and degree of substitution of the biphenyl ring hydrogen atoms by chlorine atoms. The first two digits of a numbered aroclor represent the molecular type, and the last two digits represent the percentage weight of the hydrogen-substituted chlorine. Artificial substrate is a device that purposely is placed in a stream or lake for colonization of organisms. The artificial substrate simplifies the community structure by standardizing the substrate from which each sample is collected. Examples of artificial substrates are basket samplers (made of wire cages filled with clean streamside rocks) and multiplate samplers (made of hardboard) for benthic organism collection, and plexiglass strips for periphyton collection. (See also “Substrate”) Ash mass is the mass or amount of residue present after the residue from a dry-mass determination has been ashed in a muffle furnace at a temperature of 500 °C for 1 hour. Ash mass of zooplankton and phytoplankton is expressed in grams per cubic meter (g/m3), and periphyton and benthic organisms in grams per square meter (g/m2). (See also “Biomass” and “Dry mass”) Aspect is the direction toward which a slope faces with respect to the compass. Bacteria are microscopic unicellular organisms, typically spherical, rodlike, or spiral and threadlike in shape, often clumped into colonies. Some bacteria cause disease, whereas others perform an essential role in nature in the recycling of materials; for example, by decomposing organic matter into a form available for reuse by plants.

6

WATER RESOURCES DATA—SOUTH CAROLINA, 2005

Bankfull stage, as used in this report, is the stage at which a stream first overflows its natural banks formed by floods with 1- to 3-year recurrence intervals. Base discharge (for peak discharge) is a discharge value, determined for selected stations, above which peak discharge data are published. The base discharge at each station is selected so that an average of about three peak flows per year will be published. (See also “Peak flow”) Base flow is sustained flow of a stream in the absence of direct runoff. It includes natural and human-induced streamflows. Natural base flow is sustained largely by ground-water discharge.

Blue-green algae (Cyanophyta) are a group of phytoplankton and periphyton organisms with a blue pigment in addition to a green pigment called chlorophyll. Blue-green algae can cause nuisance water-quality conditions in lakes and slow-flowing rivers; however, they are found commonly in streams throughout the year. The abundance of blue-green algae in phytoplankton samples is expressed as the number of cells per milliliter (cells/mL) or biovolume in cubic micrometers per milliliter (µm3/mL). The abundance of blue-green algae in periphyton samples is given in cells per square centimeter (cells/cm2) or biovolume per square centimeter (µm3/cm2). (See also “Phytoplankton”and “Periphyton”) Bottom material (See “Bed material”)

Bed material is the sediment mixture of which a streambed, lake, pond, reservoir, or estuary bottom is composed. (See also “Bedload” and “Sediment”) Bedload is material in transport that primarily is supported by the streambed. In this report, bedload is considered to consist of particles in transit from the bed to the top of the bedload sampler nozzle (an elevation ranging from 0.25 to 0.5 foot). These particles are retained in the bedload sampler. A sample collected with a pressure-differential bedload sampler also may contain a component of the suspended load. Bedload discharge (tons per day) is the rate of sediment moving as bedload, reported as dry weight, that passes through a cross section in a given time. NOTE: Bedload discharge values in this report may include a component of the suspended-sediment discharge. A correction may be necessary when computing the total sediment discharge by summing the bedload discharge and the suspendedsediment discharge. (See also “Bedload,” “Dry weight,” “Sediment,” and “Suspended-sediment discharge”) Benthic organisms are the group of organisms inhabiting the bottom of an aquatic environment. They include a number of types of organisms, such as bacteria, fungi, insect larvae and nymphs, snails, clams, and crayfish. They are useful as indicators of water quality. Biochemical oxygen demand (BOD) is a measure of the quantity of dissolved oxygen, in milligrams per liter, necessary for the decomposition of organic matter by microorganisms, such as bacteria. Biomass is the amount of living matter present at any given time, expressed as mass per unit area or volume of habitat. Biomass pigment ratio is an indicator of the total proportion of periphyton that are autotrophic (plants). This also is called the Autotrophic Index.

Bulk electrical conductivity is the combined electrical conductivity of all material within a doughnut-shaped volume surrounding an induction probe. Bulk conductivity is affected by different physical and chemical properties of the material including the dissolved-solids content of the pore water, and the lithology and porosity of the rock. Canadian Geodetic Vertical Datum 1928 is a geodetic datum derived from a general adjustment of Canada’s first order level network in 1928. Cell volume (biovolume) determination is one of several common methods used to estimate biomass of algae in aquatic systems. Cell members of algae are used frequently in aquatic surveys as an indicator of algal production. However, cell numbers alone cannot represent true biomass because of considerable cell-size variation among the algal species. Cell volume (µm3) is determined by obtaining critical cell measurements or cell dimensions (for example, length, width, height, or radius) for 20 to 50 cells of each important species to obtain an average biovolume per cell. Cells are categorized according to the correspondence of their cellular shape to the nearest geometric solid or combinations of simple solids (for example, spheres, cones, or cylinders). Representative formulae used to compute biovolume are as follows: sphere 4/3 πr3

cone 1/3 πr2h

cylinder πr2h.

pi (π) is the ratio of the circumference to the diameter of a circle; pi = 3.14159…. From cell volume, total algal biomass expressed as biovolume (µm3/mL) is thus determined by multiplying the number of cells of a given species by its average cell volume and then summing these volumes for all species. Cells/volume refers to the number of cells of any organism that is counted by using a microscope and grid or counting cell. Many planktonic organisms are multicelled and are counted according to the number of contained cells per

WATER RESOURCES DATA—SOUTH CAROLINA, 2005

sample volume, and generally are reported as cells or units per milliliter (mL) or liter (L).

7

Control structure, as used in this report, is a structure on a stream or canal that is used to regulate the flow or stage of the stream or to prevent the intrusion of saltwater.

Cfs-day (See “Cubic foot per second-day”) Channel bars, as used in this report, are the lowest prominent geomorphic features higher than the channel bed. Chemical oxygen demand (COD) is a measure of the chemically oxidizable material in the water and furnishes an approximation of the amount of organic and reducing material present. The determined value may correlate with BOD or with carbonaceous organic pollution from sewage or industrial wastes. [See also “Biochemical oxygen demand (BOD)”] Clostridium perfringens (C. perfringens) is a spore-forming bacterium that is common in the feces of human and other warmblooded animals. Clostridial spores are being used experimentally as an indicator of past fecal contamination and the presence of microorganisms that are resistant to disinfection and environmental stresses. (See also “Bacteria”) Coliphages are viruses that infect and replicate in coliform bacteria. They are indicative of sewage contamination of water and of the survival and transport of viruses in the environment. Color unit is produced by 1 milligram per liter of platinum in the form of the chloroplatinate ion. Color is expressed in units of the platinum-cobalt scale. Confined aquifer is a term used to describe an aquifer containing water between two relatively impermeable boundaries. The water level in a well tapping a confined aquifer stands above the top of the confined aquifer and can be higher or lower than the water table that may be present in the material above it. In some cases, the water level can rise above the ground surface, yielding a flowing well. Contents is the volume of water in a reservoir or lake. Unless otherwise indicated, volume is computed on the basis of a level pool and does not include bank storage. Continuous-record station is a site where data are collected with sufficient frequency to define daily mean values and variations within a day. Control designates a feature in the channel that physically affects the water-surface elevation and thereby determines the stage-discharge relation at the gage. This feature may be a constriction of the channel, a bedrock outcrop, a gravel bar, an artificial structure, or a uniform cross section over a long reach of the channel.

Cubic foot per second (CFS, ft3/s) is the rate of discharge representing a volume of 1 cubic foot passing a given point in 1 second. It is equivalent to approximately 7.48 gallons per second or approximately 449 gallons per minute, or 0.02832 cubic meters per second. The term “second-foot” sometimes is used synonymously with “cubic foot per second” but is now obsolete. Cubic foot per second-day (CFS-DAY, Cfs-day, [(ft3/s)/d]) is the volume of water represented by a flow of 1 cubic foot per second for 24 hours. It is equivalent to 86,400 cubic feet, 1.98347 acre-feet, 646,317 gallons, or 2,446.6 cubic meters. The daily mean discharges reported in the daily value data tables numerically are equal to the daily volumes in cfs-days, and the totals also represent volumes in cfs-days. Cubic foot per second per square mile [CFSM, (ft3/s)/mi2] is the average number of cubic feet of water flowing per second from each square mile of area drained, assuming the runoff is distributed uniformly in time and area. (See also “Annual runoff”) Daily mean suspended-sediment concentration is the time-weighted mean concentration of suspended sediment passing a stream cross section during a 24-hour day. (See also “Sediment” and “Suspended-sediment concentration”) Daily record station is a site where data are collected with sufficient frequency to develop a record of one or more data values per day. The frequency of data collection can range from continuous recording to data collection on a daily or near-daily basis. Data collection platform (DCP) is an electronic instrument that collects, processes, and stores data from various sensors, and transmits the data by satellite data relay, line-ofsight radio, and/or landline telemetry. Data logger is a microprocessor-based data acquisition system designed specifically to acquire, process, and store data. Data usually are downloaded from onsite data loggers for entry into office data systems. Datum is a surface or point relative to which measurements of height and/or horizontal position are reported. A vertical datum is a horizontal surface used as the zero point for measurements of gage height, stage, or elevation; a horizontal datum is a reference for positions given in terms of latitude-longitude, State Plane coordinates, or Universal Transverse Mercator (UTM) coordinates. (See also “Gage datum,” “Land-surface datum,” “National Geodetic Verti-

8

WATER RESOURCES DATA—SOUTH CAROLINA, 2005

cal Datum of 1929,” and “North American Vertical Datum of 1988”) Diatoms (Bacillariophyta) are unicellular or colonial algae with a siliceous cell wall. The abundance of diatoms in phytoplankton samples is expressed as the number of cells per milliliter (cells/mL) or biovolume in cubic micrometers per milliliter (µm3/mL). The abundance of diatoms in periphyton samples is given in cells per square centimeter (cells/cm2) or biovolume per square centimeter (µm3/cm2). (See also “Phytoplankton” and “Periphyton”) Diel is of or pertaining to a 24-hour period of time; a regular daily cycle. Discharge, or flow, is the rate that matter passes through a cross section of a stream channel or other water body per unit of time. The term commonly refers to the volume of water (including, unless otherwise stated, any sediment or other constituents suspended or dissolved in the water) that passes a cross section in a stream channel, canal, pipeline, and so forth, within a given period of time (cubic feet per second). Discharge also can apply to the rate at which constituents, such as suspended sediment, bedload, and dissolved or suspended chemicals, pass through a cross section, in which cases the quantity is expressed as the mass of constituent that passes the cross section in a given period of time (tons per day). Dissolved refers to that material in a representative water sample that passes through a 0.45-micrometer membrane filter. This is a convenient operational definition used by Federal and State agencies that collect water-quality data. Determinations of “dissolved” constituent concentrations are made on sample water that has been filtered. Dissolved oxygen (DO) is the molecular oxygen (oxygen gas) dissolved in water. The concentration in water is a function of atmospheric pressure, temperature, and dissolved-solids concentration of the water. The ability of water to retain oxygen decreases with increasing temperature or dissolved-solids concentration. Photosynthesis and respiration by plants commonly cause diurnal variations in dissolved-oxygen concentration in water from some streams. Dissolved-solids concentration in water is the quantity of dissolved material in a sample of water. It is determined either analytically by the “residue-on-evaporation” method, or mathematically by totaling the concentrations of individual constituents reported in a comprehensive chemical analysis. During the analytical determination, the bicarbonate (generally a major dissolved component of water) is converted to carbonate. In the mathematical calculation, the bicarbonate value, in milligrams per liter, is multiplied by 0.4917 to convert it to carbonate. Alterna-

tively, alkalinity concentration (as mg/L CaCO3) can be converted to carbonate concentration by multiplying by 0.60. Diversity index (H) (Shannon index) is a numerical expression of evenness of distribution of aquatic organisms. The formula for diversity index is: s

ni ni d = – ∑ ---- log 2 ---- , n n i≈1

where ni is the number of individuals per taxon, n is the total number of individuals, and s is the total number of taxa in the sample of the community. Index values range from zero, when all the organisms in the sample are the same, to some positive number, when some or all of the organisms in the sample are different. Drainage area of a stream at a specific location is that area upstream from the location, measured in a horizontal plane, that has a common outlet at the site for its surface runoff from precipitation that normally drains by gravity into a stream. Drainage areas given herein include all closed basins, or noncontributing areas, within the area unless otherwise specified. Drainage basin is a part of the Earth’s surface that contains a drainage system with a common outlet for its surface runoff. (See “Drainage area”) Dry mass refers to the mass of residue present after drying in an oven at 105 °C, until the mass remains unchanged. This mass represents the total organic matter, ash and sediment, in the sample. Dry-mass values are expressed in the same units as ash mass. (See also “Ash mass,” “Biomass,” and “Wet mass”) Dry weight refers to the weight of animal tissue after it has been dried in an oven at 65 °C until a constant weight is achieved. Dry weight represents total organic and inorganic matter in the tissue. (See also “Wet weight”) Embeddedness is the degree to which gravel-sized and larger particles are surrounded or enclosed by finer-sized particles. (See also “Substrate embeddedness class”) Enterococcus bacteria commonly are found in the feces of humans and other warmblooded animals. Although some strains are ubiquitous and not related to fecal pollution, the presence of enterococci in water is an indication of fecal pollution and the possible presence of enteric pathogens. Enterococcus bacteria are those bacteria that produce pink to red colonies with black or reddish-brown precipitate after incubation at 41 °C on mE agar (nutrient medium for bacterial growth) and subsequent transfer to EIA medium. Enterococci include Streptococcus feacalis, Streptococcus

WATER RESOURCES DATA—SOUTH CAROLINA, 2005

feacium, Streptococcus avium, and their variants. (See also “Bacteria”) EPT Index is the total number of distinct taxa within the insect orders Ephemeroptera, Plecoptera, and Trichoptera. This index summarizes the taxa richness within the aquatic insects that generally are considered pollution sensitive; the index usually decreases with pollution. Escherichia coli (E. coli) are bacteria present in the intestine and feces of warmblooded animals. E. coli are a member species of the fecal coliform group of indicator bacteria. In the laboratory, they are defined as those bacteria that produce yellow or yellow-brown colonies on a filter pad saturated with urea substrate broth after primary culturing for 22 to 24 hours at 44.5 °C on mTEC medium (nutrient medium for bacterial growth). Their concentrations are expressed as number of colonies per 100 mL of sample. (See also “Bacteria”) Estimated (E) value of a concentration is reported when an analyte is detected and all criteria for a positive result are met. If the concentration is less than the method detection limit (MDL), an E code will be reported with the value. If the analyte is identified qualitatively as present, but the quantitative determination is substantially more uncertain, the National Water Quality Laboratory will identify the result with an E code even though the measured value is greater than the MDL. A value reported with an E code should be used with caution. When no analyte is detected in a sample, the default reporting value is the MDL preceded by a less than sign (<). For bacteriological data, concentrations are reported as estimated when results are based on non-ideal colony counts. Euglenoids (Euglenophyta) are a group of algae that usually are free-swimming and rarely creeping. They have the ability to grow either photosynthetically in the light or heterotrophically in the dark. (See also “Phytoplankton”) Extractable organic halides (EOX) are organic compounds that contain halogen atoms such as chlorine. These organic compounds are semivolatile and extractable by ethyl acetate from air-dried streambed sediment. The ethyl acetate extract is combusted, and the concentration is determined by microcoulometric determination of the halides formed. The concentration is reported as micrograms of chlorine per gram of the dry weight of the streambed sediment. Fecal coliform bacteria are present in the intestines or feces of warmblooded animals. They often are used as indicators of the sanitary quality of the water. In the laboratory, they are defined as all organisms that produce blue colonies within 24 hours when incubated at 44.5 °C plus or minus 0.2 °C on M-FC medium (nutrient medium for bacterial growth). Their concentrations are expressed as number of colonies per 100 mL of sample. (See also “Bacteria”)

9

Fecal streptococcal bacteria are present in the intestines of warmblooded animals and are ubiquitous in the environment. They are characterized as gram-positive, cocci bacteria that are capable of growth in brain-heart infusion broth. In the laboratory, they are defined as all the organisms that produce red or pink colonies within 48 hours at 35 °C plus or minus 1.0 °C on KF-streptococcus medium (nutrient medium for bacterial growth). Their concentrations are expressed as number of colonies per 100 mL of sample. (See also “Bacteria”) Filtered pertains to constituents in a water sample passed through a filter of specified pore diameter, most commonly 0.45 micrometer or less for inorganic analytes and 0.7 micrometer for organic analytes. Filtered, recoverable is the amount of a given constituent that is in solution after the part of a representative watersuspended sediment sample that has passed through a filter has been extracted. Complete recovery is not achieved by the extraction procedure and thus the analytical determination represents something less than 95 percent of the total constituent concentration in the sample. To achieve comparability of analytical data, equivalent extraction procedures are required of all laboratories performing such analyses because different procedures are likely to produce different analytical results. Fire algae (Pyrrhophyta) are free-swimming unicells characterized by a red pigment spot. (See also “Phytoplankton”) Flow-duration percentiles are values on a scale of 100 that indicate the percentage of time for which a flow is exceeded. For example, the 90th percentile of river flow is the streamflow exceeded 90 percent of the time in the period of interest. Gage datum is a horizontal surface used as a zero point for measurement of stage or gage height. This surface usually is located slightly below the lowest point of the stream bottom such that the gage height is usually slightly greater than the maximum depth of water. Because the gage datum is not an actual physical object, the datum is usually defined by specifying the elevations of permanent reference marks such as bridge abutments and survey monuments, and the gage is set to agree with the reference marks. Gage datum is a local datum that is maintained independently of any national geodetic datum. However, if the elevation of the gage datum relative to the national datum (North American Vertical Datum of 1988 or National Geodetic Vertical Datum of 1929) has been determined, then the gage readings can be converted to elevations above the national datum by adding the elevation of the gage datum to the gage reading.

10

WATER RESOURCES DATA—SOUTH CAROLINA, 2005

Gage height (G.H.) is the water-surface elevation, in feet above the gage datum. If the water surface is below the gage datum, the gage height is negative. Gage height often is used interchangeably with the more general term “stage,” although gage height is more appropriate when used in reference to a reading on a gage.

High tide is the maximum height reached by each rising tide. The high-high and low-high tides are the higher and lower of the two high tides, respectively, of each tidal day. See NOAA Web site: http://www.csc.noaa.gov/text/glossary.html (see “High water”)

Gage values are values that are recorded, transmitted, and/or computed from a gaging station. Gage values typically are collected at 5-, 15-, or 30-minute intervals.

Hilsenhoff’s Biotic Index (HBI) is an indicator of organic pollution that uses tolerance values to weight taxa abundances; usually increases with pollution. It is calculated as follows:

Gaging station is a site on a stream, canal, lake, or reservoir where systematic observations of stage, discharge, or other hydrologic data are obtained. Gas chromatography/flame ionization detector (GC/FID) is a laboratory analytical method used as a screening technique for semivolatile organic compounds that are extractable from water in methylene chloride. Geomorphic channel units, as used in this report, are fluvial geomorphic descriptors of channel shape and stream velocity. Pools, riffles, and runs are types of geomorphic channel units considered for National Water-Quality Assessment (NAWQA) Program habitat sampling. Green algae (Chlorophyta) are unicellular or colonial algae with chlorophyll pigments similar to those in terrestrial green plants. Some forms of green algae produce mats or floating “moss” in lakes. The abundance of green algae in phytoplankton samples is expressed as the number of cells per milliliter (cells/mL) or biovolume in cubic micrometers per milliliter (µm3/mL). The abundance of green algae in periphyton samples is given in cells per square centimeter (cells/cm2) or biovolume per square centimeter (µm3/cm2). (See also “Phytoplankton” and “Periphyton”) Habitat, as used in this report, includes all nonliving (physical) aspects of the aquatic ecosystem, although living components like aquatic macrophytes and riparian vegetation also are usually included. Measurements of habitat typically are made over a wider geographic scale than are measurements of species distribution.

(n)(a) HBI = sum ---------------- , N

where n is the number of individuals of each taxon, a is the tolerance value of each taxon, and N is the total number of organisms in the sample. Horizontal datum (See “Datum”) Hydrologic index stations referred to in this report are continuous-record gaging stations that have been selected as representative of streamflow patterns for their respective regions. Station locations are shown on index maps. Hydrologic unit is a geographic area representing part or all of a surface drainage basin or distinct hydrologic feature as defined by the former Office of Water Data Coordination and delineated on the State Hydrologic Unit Maps by the USGS. Each hydrologic unit is identified by an 8-digit number. Inch (IN., in.), in reference to streamflow, as used in this report, refers to the depth to which the drainage area would be covered with water if all of the runoff for a given time period were distributed uniformly on it. (See also “Annual runoff”) Instantaneous discharge is the discharge at a particular instant of time. (See also “Discharge”) International Boundary Commission Survey Datum refers to a geodetic datum established at numerous monuments along the United States-Canada boundary by the International Boundary Commission.

Habitat quality index is the qualitative description (level 1) of instream habitat and riparian conditions surrounding the reach sampled. Scores range from 0 to 100 percent with higher scores indicative of desirable habitat conditions for aquatic life. Index only applicable to wadable streams.

Island, as used in this report, is a mid-channel bar that has permanent woody vegetation, is flooded once a year, on average, and remains stable except during large flood events.

Hardness of water is a physical-chemical characteristic that commonly is recognized by the increased quantity of soap required to produce lather. It is computed as the sum of equivalents of polyvalent cations (primarily calcium and magnesium) and is expressed as the equivalent concentration of calcium carbonate (CaCO3).

Laboratory reporting level (LRL) generally is equal to twice the yearly determined long-term method detection level (LT-MDL). The LRL controls false negative error. The probability of falsely reporting a nondetection for a sample that contained an analyte at a concentration equal to or greater than the LRL is predicted to be less than or

WATER RESOURCES DATA—SOUTH CAROLINA, 2005

equal to 1 percent. The value of the LRL will be reported with a “less than” (<) remark code for samples in which the analyte was not detected. The National Water Quality Laboratory (NWQL) collects quality-control data from selected analytical methods on a continuing basis to determine LT-MDLs and to establish LRLs. These values are reevaluated annually on the basis of the most current quality-control data and, therefore, may change. The LRL replaces the term ‘non-detection value’ (NDV). Land-surface datum (lsd) is a datum plane that is approximately at land surface at each ground-water observation well. Latent heat flux (often used interchangeably with latent heat-flux density) is the amount of heat energy that converts water from liquid to vapor (evaporation) or from vapor to liquid (condensation) across a specified crosssectional area per unit time. Usually expressed in watts per square meter. Light-attenuation coefficient, also known as the extinction coefficient, is a measure of water clarity. Light is attenuated according to the Lambert-Beer equation: I = Io e

–λ L

,

where Io is the source light intensity, I is the light intensity at length L (in meters) from the source, λ is the lightattenuation coefficient, and e is the base of the natural logarithm. The light-attenuation coefficient is defined as I 1 λ = – --- log e ---- . Io L

Lipid is any one of a family of compounds that are insoluble in water and that make up one of the principal components of living cells. Lipids include fats, oils, waxes, and steroids. Many environmental contaminants such as organochlorine pesticides are lipophilic. Long-term method detection level (LT-MDL) is a detection level derived by determining the standard deviation of a minimum of 24 method detection limit (MDL) spikesample measurements over an extended period of time. LTMDL data are collected on a continuous basis to assess year-to-year variations in the LT-MDL. The LT-MDL controls false positive error. The chance of falsely reporting a concentration at or greater than the LT-MDL for a sample that did not contain the analyte is predicted to be less than or equal to 1 percent. Low tide is the minimum height reached by each falling tide. The high-low and low-low tides are the higher and lower of the two low tides, respectively, of each tidal day. See NOAA Website: http://www.csc.noaa.gov/text/glossary.html (see “Low water”)

11

Macrophytes are the macroscopic plants in the aquatic environment. The most common macrophytes are the rooted vascular plants that usually are arranged in zones in aquatic ecosystems and restricted in the area by the extent of illumination through the water and sediment deposition along the shoreline. Mean concentration of suspended sediment (Daily mean suspended-sediment concentration) is the time-weighted concentration of suspended sediment passing a stream cross section during a given time period. (See also “Daily mean suspended-sediment concentration” and “Suspended-sediment concentration”) Mean discharge (MEAN) is the arithmetic mean of individual daily mean discharges during a specific period. (See also “Discharge”) Mean high or low tide is the average of all high or low tides, respectively, over a specific period. Mean sea level is a local tidal datum. It is the arithmetic mean of hourly heights observed over the National Tidal Datum Epoch. Shorter series are specified in the name; for example, monthly mean sea level and yearly mean sea level. In order that they may be recovered when needed, such datums are referenced to fixed points known as benchmarks. (See also “Datum”) Measuring point (MP) is an arbitrary permanent reference point from which the distance to water surface in a well is measured to obtain water level. Megahertz is a unit of frequency. One megahertz equals one million cycles per second. Membrane filter is a thin microporous material of specific pore size used to filter bacteria, algae, and other very small particles from water. Metamorphic stage refers to the stage of development that an organism exhibits during its transformation from an immature form to an adult form. This developmental process exists for most insects, and the degree of difference from the immature stage to the adult form varies from relatively slight to pronounced, with many intermediates. Examples of metamorphic stages of insects are egg-larvaadult or egg-nymph-adult. Method code is a one-character code that identifies the analytical or field method used to determine a value stored in the National Water Information System (NWIS). Method detection limit (MDL) is the minimum concentration of a substance that can be measured and reported with 99-percent confidence that the analyte concentration is greater than zero. It is determined from the analysis of a

12

WATER RESOURCES DATA—SOUTH CAROLINA, 2005

sample in a given matrix containing the analyte. At the MDL concentration, the risk of a false positive is predicted to be less than or equal to 1 percent. Method of Cubatures is a method of computing discharge in tidal estuaries based on the conservation of mass equation. Methylene blue active substances (MBAS) indicate the presence of detergents (anionic surfactants). The determination depends on the formation of a blue color when methylene blue dye reacts with synthetic anionic detergent compounds. Micrograms per gram (UG/G, µg/g) is a unit expressing the concentration of a chemical constituent as the mass (micrograms) of the element per unit mass (gram) of material analyzed. Micrograms per kilogram (UG/KG, µg/kg) is a unit expressing the concentration of a chemical constituent as the mass (micrograms) of the constituent per unit mass (kilogram) of the material analyzed. One microgram per kilogram is equivalent to 1 part per billion. Micrograms per liter (UG/L, µg/L) is a unit expressing the concentration of chemical constituents in water as mass (micrograms) of constituent per unit volume (liter) of water. One thousand micrograms per liter is equivalent to 1 milligram per liter. One microgram per liter is equivalent to 1 part per billion. Microsiemens per centimeter (US/CM, µS/cm) is a unit expressing the amount of electrical conductivity of a solution as measured between opposite faces of a centimeter cube of solution at a specified temperature. Siemens is the International System of Units nomenclature. It is synonymous with mhos and is the reciprocal of resistance in ohms. Milligrams per liter (MG/L, mg/L) is a unit for expressing the concentration of chemical constituents in water as the mass (milligrams) of constituent per unit volume (liter) of water. Concentration of suspended sediment also is expressed in milligrams per liter and is based on the mass of dry sediment per liter of water-sediment mixture. Minimum reporting level (MRL) is the smallest measured concentration of a constituent that may be reliably reported by using a given analytical method. Miscellaneous site, miscellaneous station, or miscellaneous sampling site is a site where streamflow, sediment, and/or water-quality data or water-quality or sediment samples are collected once, or more often on a random or discontinuous basis to provide better areal coverage for defining

hydrologic and water-quality conditions over a broad area in a river basin. Most probable number (MPN) is an index of the number of coliform bacteria that, more probably than any other number, would give the results shown by the laboratory examination; it is not an actual enumeration. MPN is determined from the distribution of gas-positive cultures among multiple inoculated tubes. Multiple-plate samplers are artificial substrates of known surface area used for obtaining benthic invertebrate samples. They consist of a series of spaced, hardboard plates on an eyebolt. Nanograms per liter (NG/L, ng/L) is a unit expressing the concentration of chemical constituents in solution as mass (nanograms) of solute per unit volume (liter) of water. One million nanograms per liter is equivalent to 1 milligram per liter. National Geodetic Vertical Datum of 1929 (NGVD 29) is a fixed reference adopted as a standard geodetic datum for elevations determined by leveling. It formerly was called “Sea Level Datum of 1929” or “mean sea level.” Although the datum was derived from the mean sea level at 26 tide stations, it does not necessarily represent local mean sea level at any particular place. See NOAA Web site: http:// www.ngs.noaa.gov/faq.shtml#WhatVD29VD88 (See “North American Vertical Datum of 1988”) Natural substrate refers to any naturally occurring immersed or submersed solid surface, such as a rock or tree, upon which an organism lives. (See also “Substrate”) Nekton are the consumers in the aquatic environment and consist of large, free-swimming organisms that are capable of sustained, directed mobility. Nonfilterable refers to the portion of the total residue retained by a filter. North American Datum of 1927 (NAD 27) is the horizontal control datum for the United States that was defined by a location and azimuth on the Clarke spheroid of 1866. North American Datum of 1983 (NAD 83) is the horizontal control datum for the United States, Canada, Mexico, and Central America that is based on the adjustment of 250,000 points including 600 satellite Doppler stations that constrain the system to a geocentric origin. NAD 83 has been officially adopted as the legal horizontal datum for the United States by the Federal government. North American Vertical Datum of 1988 (NAVD 88) is a fixed reference adopted as the official civilian vertical datum for elevations determined by Federal surveying and

WATER RESOURCES DATA—SOUTH CAROLINA, 2005

mapping activities in the United States. This datum was established in 1991 by minimum-constraint adjustment of the Canadian, Mexican, and United States first-order terrestrial leveling networks. Open or screened interval is the length of unscreened opening or of well screen through which water enters a well, in feet below land surface.

distilled water (chemically dispersed) or in native water (the river water at the time and point of sampling). Particle-size classification, as used in this report, agrees with the recommendation made by the American Geophysical Union Subcommittee on Sediment Terminology. The classification is as follows: Classification

Organic carbon (OC) is a measure of organic matter present in aqueous solution, suspension, or bottom sediment. May be reported as dissolved organic carbon (DOC), particulate organic carbon (POC), or total organic carbon (TOC). Organic mass or volatile mass of a living substance is the difference between the dry mass and ash mass and represents the actual mass of the living matter. Organic mass is expressed in the same units as for ash mass and dry mass. (See also “Ash mass,” “Biomass,” and “Dry mass”) Organism count/area refers to the number of organisms collected and enumerated in a sample and adjusted to the number per area habitat, usually square meter (m2), acre, or hectare. Periphyton, benthic organisms, and macrophytes are expressed in these terms. Organism count/volume refers to the number of organisms collected and enumerated in a sample and adjusted to the number per sample volume, usually milliliter (mL) or liter (L). Numbers of planktonic organisms can be expressed in these terms. Organochlorine compounds are any chemicals that contain carbon and chlorine. Organochlorine compounds that are important in investigations of water, sediment, and biological quality include certain pesticides and industrial compounds. Parameter code is a 5-digit number used in the USGS computerized data system, National Water Information System (NWIS), to uniquely identify a specific constituent or property. Partial-record station is a site where discrete measurements of one or more hydrologic parameters are obtained over a period of time without continuous data being recorded or computed. A common example is a crest-stage gage partial-record station at which only peak stages and flows are recorded. Particle size is the diameter, in millimeters (mm), of a particle determined by sieve or sedimentation methods. The sedimentation method uses the principle of Stokes Law to calculate sediment particle sizes. Sedimentation methods (pipet, bottom-withdrawal tube, visual-accumulation tube, sedigraph) determine fall diameter of particles in either

13

Size (mm)

Method of analysis

Clay

>0.00024 - 0.004

Sedimentation

Silt

>0.004 - 0.062

Sedimentation

Sand

>0.062 - 2.0

Sedimentation/sieve

Gravel

>2.0 - 64.0

Sieve

Cobble

>64 - 256

Manual measurement

Boulder

>256

Manual measurement

The particle-size distributions given in this report are not necessarily representative of all particles in transport in the stream. For the sedimentation method, most of the organic matter is removed, and the sample is subjected to mechanical and chemical dispersion before analysis in distilled water. Chemical dispersion is not used for native water analysis. Peak flow (peak stage) is an instantaneous local maximum value in the continuous time series of streamflows or stages, preceded by a period of increasing values and followed by a period of decreasing values. Several peak values ordinarily occur in a year. The maximum peak value in a year is called the annual peak; peaks lower than the annual peak are called secondary peaks. Occasionally, the annual peak may not be the maximum value for the year; in such cases, the maximum value occurs at midnight at the beginning or end of the year, on the recession from or rise toward a higher peak in the adjoining year. If values are recorded at a discrete series of times, the peak recorded value may be taken as an approximation of the true peak, which may occur between the recording instants. If the values are recorded with finite precision, a sequence of equal recorded values may occur at the peak; in this case, the first value is taken as the peak. Percent composition or percent of total is a unit for expressing the ratio of a particular part of a sample or population to the total sample or population, in terms of types, numbers, weight, mass, or volume. Percent shading is a measure of the amount of sunlight potentially reaching the stream. A clinometer is used to measure left and right bank canopy angles. These values are added together, divided by 180, and multiplied by 100 to compute percentage of shade. Periodic-record station is a site where stage, discharge, sediment, chemical, physical, or other hydrologic measure-

14

WATER RESOURCES DATA—SOUTH CAROLINA, 2005

ments are made one or more times during a year but at a frequency insufficient to develop a daily record. Periphyton is the assemblage of microorganisms attached to and living upon submerged solid surfaces. Although primarily consisting of algae, they also include bacteria, fungi, protozoa, rotifers, and other small organisms. Periphyton are useful indicators of water quality. Pesticides are chemical compounds used to control undesirable organisms. Major categories of pesticides include insecticides, miticides, fungicides, herbicides, and rodenticides. pH of water is the negative logarithm of the hydrogen-ion activity. Solutions with pH less than 7.0 standard units are termed “acidic,” and solutions with a pH greater than 7.0 are termed “basic.” Solutions with a pH of 7.0 are neutral. The presence and concentration of many dissolved chemical constituents found in water are affected, in part, by the hydrogen-ion activity of water. Biological processes including growth, distribution of organisms, and toxicity of the water to organisms also are affected, in part, by the hydrogen-ion activity of water. Phytoplankton is the plant part of the plankton. They usually are microscopic, and their movement is subject to the water currents. Phytoplankton growth is dependent upon solar radiation and nutrient substances. Because they are able to incorporate as well as release materials to the surrounding water, the phytoplankton have a profound effect upon the quality of the water. They are the primary food producers in the aquatic environment and commonly are known as algae. (See also “Plankton”) Picocurie (PC, pCi) is one-trillionth (1 x 10-12) of the amount of radioactive nuclide represented by a curie (Ci). A curie is the quantity of radioactive nuclide that yields 3.7 x 1010 radioactive disintegrations per second (dps). A picocurie yields 0.037 dps, or 2.22 dpm (disintegrations per minute). Plankton is the community of suspended, floating, or weakly swimming organisms that live in the open water of lakes and rivers. Concentrations are expressed as a number of cells per milliliter (cells/mL) of sample. Polychlorinated biphenyls (PCBs) are industrial chemicals that are mixtures of chlorinated biphenyl compounds having various percentages of chlorine. They are similar in structure to organochlorine insecticides. Polychlorinated naphthalenes (PCNs) are industrial chemicals that are mixtures of chlorinated naphthalene compounds. They have properties and applications similar to polychlorinated biphenyls (PCBs) and have been identified in commercial PCB preparations.

Pool, as used in this report, is a small part of a stream reach with little velocity, commonly with water deeper than surrounding areas. Primary productivity is a measure of the rate at which new organic matter is formed and accumulated through photosynthetic and chemosynthetic activity of producer organisms (chiefly, green plants). The rate of primary production is estimated by measuring the amount of oxygen released (oxygen method) or the amount of carbon assimilated (carbon method) by the plants. Primary productivity (carbon method) is expressed as milligrams of carbon per area per unit time [mg C/(m2/time)] for periphyton and macrophytes or per volume [mg C/(m3/time)] for phytoplankton. The carbon method defines the amount of carbon dioxide consumed as measured by radioactive carbon (carbon-14). The carbon-14 method is of greater sensitivity than the oxygen light- and dark-bottle method and is preferred for use with unenriched water samples. Unit time may be either the hour or day, depending on the incubation period. (See also “Primary productivity”) Primary productivity (oxygen method) is expressed as milligrams of oxygen per area per unit time [mg O/(m2/ time)] for periphyton and macrophytes or per volume [mg O/(m3/time)] for phytoplankton. The oxygen method defines production and respiration rates as estimated from changes in the measured dissolved-oxygen concentration. The oxygen light- and dark-bottle method is preferred if the rate of primary production is sufficient for accurate measurements to be made within 24 hours. Unit time may be either the hour or day, depending on the incubation period. (See also “Primary productivity”) Radioisotopes are isotopic forms of elements that exhibit radioactivity. Isotopes are varieties of a chemical element that differ in atomic weight but are very nearly alike in chemical properties. The difference arises because the atoms of the isotopic forms of an element differ in the number of neutrons in the nucleus; for example, ordinary chlorine is a mixture of isotopes having atomic weights of 35 and 37, and the natural mixture has an atomic weight of about 35.453. Many of the elements similarly exist as mixtures of isotopes, and a great many new isotopes have been produced in the operation of nuclear devices such as the cyclotron. There are 275 isotopes of the 81 stable elements, in addition to more than 800 radioactive isotopes. Reach, as used in this report, is a length of stream that is chosen to represent a uniform set of physical, chemical, and biological conditions within a segment. It is the principal sampling unit for collecting physical, chemical, and biological data. Recoverable is the amount of a given constituent that is in solution after a representative water sample has been

WATER RESOURCES DATA—SOUTH CAROLINA, 2005

extracted or digested. Complete recovery is not achieved by the extraction or digestion and thus the determination represents something less than 95 percent of the constituent present in the sample. To achieve comparability of analytical data, equivalent extraction or digestion procedures are required of all laboratories performing such analyses because different procedures are likely to produce different analytical results. (See also “Bed material”) Recurrence interval, also referred to as return period, is the average time, usually expressed in years, between occurrences of hydrologic events of a specified type (such as exceedances of a specified high flow or nonexceedance of a specified low flow). The terms “return period” and “recurrence interval” do not imply regular cyclic occurrence. The actual times between occurrences vary randomly, with most of the times being less than the average and a few being substantially greater than the average. For example, the 100-year flood is the flow rate that is exceeded by the annual maximum peak flow at intervals whose average length is 100 years (that is, once in 100 years, on average); almost two-thirds of all exceedances of the 100-year flood occur less than 100 years after the previous exceedance, half occur less than 70 years after the previous exceedance, and about one-eighth occur more than 200 years after the previous exceedance. Similarly, the 7-day, 10-year low flow (7Q10) is the flow rate below which the annual minimum 7-day-mean flow dips at intervals whose average length is 10 years (that is, once in 10 years, on average); almost two-thirds of the nonexceedances of the 7Q10 occur less than 10 years after the previous nonexceedance, half occur less than 7 years after, and about one-eighth occur more than 20 years after the previous nonexceedance. The recurrence interval for annual events is the reciprocal of the annual probability of occurrence. Thus, the 100-year flood has a 1-percent chance of being exceeded by the maximum peak flow in any year, and there is a 10-percent chance in any year that the annual minimum 7-day-mean flow will be less than the 7Q10. Replicate samples are a group of samples collected in a manner such that the samples are thought to be essentially identical in composition. Return period (See “Recurrence interval”) Riffle, as used in this report, is a shallow part of the stream where water flows swiftly over completely or partially submerged obstructions to produce surface agitation. River mileage is the curvilinear distance, in miles, measured upstream from the mouth along the meandering path of a stream channel in accordance with Bulletin No. 14 (October 1968) of the Water Resources Council and typically is used to denote location along a river.

15

Run, as used in this report, is a relatively shallow part of a stream with moderate velocity and little or no surface turbulence. Runoff is the quantity of water that is discharged (“runs off”) from a drainage basin during a given time period. Runoff data may be presented as volumes in acre-feet, as mean discharges per unit of drainage area in cubic feet per second per square mile, or as depths of water on the drainage basin in inches. (See also “Annual runoff”) Salinity is the total quantity of dissolved salts, measured by weight in parts per thousand. Values in this report are calculated from specific conductance and temperature. Seawater has an average salinity of about 35 parts per thousand (for additional information, refer to: Miller, R.L., Bradford, W.L., and Peters, N.E., 1988, Specific conductance: theoretical considerations and application to analytical quality control: U.S. Geological Survey Water-Supply Paper 2311, 16 p.) Sea level, as used in this report, refers to one of the two commonly used national vertical datums (NGVD 1929 or NAVD 1988). See separate entries for definitions of these datums. Sediment is solid material that originates mostly from disintegrated rocks; when transported by, suspended in, or deposited from water, it is referred to as “fluvial sediment.” Sediment includes chemical and biochemical precipitates and decomposed organic material, such as humus. The quantity, characteristics, and cause of the occurrence of sediment in streams are affected by environmental and land-use factors. Some major factors are topography, soil characteristics, land cover, and depth and intensity of precipitation. Sensible heat flux (often used interchangeably with latent sensible heat-flux density) is the amount of heat energy that moves by turbulent transport through the air across a specified cross-sectional area per unit time and goes to heating (cooling) the air. Usually expressed in watts per square meter. Seven-day, 10-year low flow (7Q10) is the discharge below which the annual 7-day minimum flow falls in 1 year out of 10 on the long-term average. The recurrence interval of the 7Q10 is 10 years; the chance that the annual 7-day minimum flow will be less than the 7Q10 is 10 percent in any given year. (See also “Annual 7-day minimum” and “Recurrence interval”) Shelves, as used in this report, are streambank features extending nearly horizontally from the flood plain to the lower limit of persistent woody vegetation.

16

WATER RESOURCES DATA—SOUTH CAROLINA, 2005

Sodium adsorption ratio (SAR) is the expression of relative activity of sodium ions in exchange reactions within soil and is an index of sodium or alkali hazard to the soil. Sodium hazard in water is an index that can be used to evaluate the suitability of water for irrigating crops. Soil heat flux (often used interchangeably with soil heatflux density) is the amount of heat energy that moves by conduction across a specified cross-sectional area of soil per unit time and goes to heating (or cooling) the soil. Usually expressed in watts per square meter. Soil-water content is the water lost from the soil upon drying to constant mass at 105 °C; expressed either as mass of water per unit mass of dry soil or as the volume of water per unit bulk volume of soil. Specific electrical conductance (conductivity) is a measure of the capacity of water (or other media) to conduct an electrical current. It is expressed in microsiemens per centimeter at 25 °C. Specific electrical conductance is a function of the types and quantity of dissolved substances in water and can be used for approximating the dissolvedsolids content of the water. Commonly, the concentration of dissolved solids (in milligrams per liter) is from 55 to 75percent of the specific conductance (in microsiemens). This relation is not constant from stream to stream, and it may vary in the same source with changes in the composition of the water. Stable isotope ratio (per MIL) is a unit expressing the ratio of the abundance of two radioactive isotopes. Isotope ratios are used in hydrologic studies to determine the age or source of specific water, to evaluate mixing of different water, as an aid in determining reaction rates, and other chemical or hydrologic processes. Stage (See “Gage height”) Stage-discharge relation is the relation between the watersurface elevation, termed stage (gage height), and the volume of water flowing in a channel per unit time. Streamflow is the discharge that occurs in a natural channel. Although the term “discharge” can be applied to the flow of a canal, the word “streamflow” uniquely describes the discharge in a surface stream course. The term “streamflow” is more general than “runoff” as streamflow may be applied to discharge whether or not it is affected by diversion or regulation. Substrate is the physical surface upon which an organism lives. Substrate embeddedness class is a visual estimate of riffle streambed substrate larger than gravel that is surrounded or covered by fine sediment (<2 mm, sand or finer). Below

are the class categories expressed as the percentage covered by fine sediment: 0

no gravel or larger substrate

3

26-50 percent

1

> 75 percent

4

5-25 percent

2

51-75 percent

5

< 5 percent

Surface area of a lake is that area (acres) encompassed by the boundary of the lake as shown on USGS topographic maps, or other available maps or photographs. Because surface area changes with lake stage, surface areas listed in this report represent those determined for the stage at the time the maps or photographs were obtained. Surficial bed material is the upper surface (0.1 to 0.2 foot) of the bed material that is sampled using U.S. Series BedMaterial Samplers. Surrogate is an analyte that behaves similarly to a target analyte, but that is highly unlikely to occur in a sample. A surrogate is added to a sample in known amounts before extraction and is measured with the same laboratory procedures used to measure the target analyte. Its purpose is to monitor method performance for an individual sample. Suspended is the amount (concentration) of undissolved material in a water-sediment mixture. Most commonly refers to that material retained on a 0.45-micrometer filter. Suspended, recoverable is the amount of a given constituent that is in solution after the part of a representative water-suspended sediment sample that is retained on a 0.45-micrometer filter has been extracted or digested. Complete recovery is not achieved by the extraction or digestion procedures and thus the determination represents less than 95 percent of the constituent present in the sample. To achieve comparability of analytical data, equivalent extraction or digestion procedures are required of all laboratories performing such analyses because different procedures are likely to produce different analytical results. (See also “Suspended”) Suspended sediment is sediment carried in suspension by the turbulent components of the fluid or by the Brownian movement (a law of physics). (See also “Sediment”) Suspended-sediment concentration is the velocityweighted concentration of suspended sediment in the sampled zone (from the water surface to a point approximately 0.3 foot above the bed) expressed as milligrams of dry sediment per liter of water-sediment mixture (mg/L). The analytical technique uses the mass of all of the sediment and the net weight of the water-sediment mixture in a sample to compute the suspended-sediment concentration. (See also “Sediment” and “Suspended sediment”)

WATER RESOURCES DATA—SOUTH CAROLINA, 2005

Suspended-sediment discharge (tons/d) is the rate of sediment transport, as measured by dry mass or volume, that passes a cross section in a given time. It is calculated in units of tons per day as follows: concentration (mg/L) x discharge (ft3/s) x 0.0027. (See also “Sediment,” “Suspended sediment,” and “Suspended-sediment concentration”) Suspended-sediment load is a general term that refers to a given characteristic of the material in suspension that passes a point during a specified period of time. The term needs to be qualified, such as “annual suspended-sediment load” or “sand-size suspended-sediment load,” and so on. It is not synonymous with either suspended-sediment discharge or concentration. (See also “Sediment”) Suspended solids, total residue at 105 °C concentration is the concentration of inorganic and organic material retained on a filter, expressed as milligrams of dry material per liter of water (mg/L). An aliquot of the sample is used for this analysis. Suspended, total is the total amount of a given constituent in the part of a water-sediment sample that is retained on a 0.45-micrometer membrane filter. This term is used only when the analytical procedure assures measurement of at least 95 percent of the constituent determined. Knowledge of the expected form of the constituent in the sample, as well as the analytical methodology used, is required to determine when the results should be reported as “suspended, total.” Determinations of “suspended, total” constituents are made either by directly analyzing portions of the suspended material collected on the filter or, more commonly, by difference, on the basis of determinations of (1) dissolved and (2) total concentrations of the constituent. (See also “Suspended”) Synoptic studies are short-term investigations of specific water-quality conditions during selected seasonal or hydrologic periods to provide improved spatial resolution for critical water-quality conditions. For the period and conditions sampled, they assess the spatial distribution of selected water-quality conditions in relation to causative factors, such as land use and contaminant sources. Taxa (Species) richness is the number of species (taxa) present in a defined area or sampling unit. Taxonomy is the division of biology concerned with the classification and naming of organisms. The classification of organisms is based upon a hierarchial scheme beginning with Kingdom and ending with Species at the base. The higher the classification level, the fewer features the organisms have in common. For example, the taxonomy of a particular mayfly, Hexagenia limbata, is the following:

Kingdom: Phylum: Class: Order: Family:

Animal Arthropeda Insecta Ephemeroptera Ephemeridae

Genus:

Hexagenia Hexagenia limbata

Species:

17

Thalweg is the line formed by connecting points of minimum streambed elevation (deepest part of the channel). Thermograph is an instrument that continuously records variations of temperature on a chart. The more general term “temperature recorder” is used in the table descriptions and refers to any instrument that records temperature whether on a chart, a tape, or any other medium. Time-weighted average is computed by multiplying the number of days in the sampling period by the concentrations of individual constituents for the corresponding period and dividing the sum of the products by the total number of days. A time-weighted average represents the composition of water resulting from the mixing of flow proportionally to the duration of the concentration. Tons per acre-foot (T/acre-ft) is the dry mass (tons) of a constituent per unit volume (acre-foot) of water. It is computed by multiplying the concentration of the constituent, in milligrams per liter, by 0.00136. Tons per day (T/DAY, tons/d) is a common chemical or sediment discharge unit. It is the quantity of a substance in solution, in suspension, or as bedload that passes a stream section during a 24-hour period. It is equivalent to 2,000 pounds per day, or 0.9072 metric ton per day. Total is the amount of a given constituent in a representative whole-water (unfiltered) sample, regardless of the constituent’s physical or chemical form. This term is used only when the analytical procedure assures measurement of at least 95 percent of the constituent present in both the dissolved and suspended phases of the sample. A knowledge of the expected form of the constituent in the sample, as well as the analytical methodology used, is required to judge when the results should be reported as “total.” (Note that the word “total” does double duty here, indicating both that the sample consists of a water-suspended sediment mixture and that the analytical method determined at least 95 percent of the constituent in the sample.) Total coliform bacteria are a particular group of bacteria that are used as indicators of possible sewage pollution. This group includes coliforms that inhabit the intestine of warmblooded animals and those that inhabit soils. They are characterized as aerobic or facultative anaerobic, gram-

18

WATER RESOURCES DATA—SOUTH CAROLINA, 2005

negative, nonspore-forming, rod-shaped bacteria that ferment lactose with gas formation within 48 hours at 35 °C. In the laboratory, these bacteria are defined as all the organisms that produce colonies with a golden-green metallic sheen within 24 hours when incubated at 35 °C plus or minus 1.0 °C on M-Endo medium (nutrient medium for bacterial growth). Their concentrations are expressed as number of colonies per 100 milliliters of sample. (See also “Bacteria”) Total discharge is the quantity of a given constituent, measured as dry mass or volume, that passes a stream cross section per unit of time. When referring to constituents other than water, this term needs to be qualified, such as “total sediment discharge,” “total chloride discharge,” and so on. Total in bottom material is the amount of a given constituent in a representative sample of bottom material. This term is used only when the analytical procedure assures measurement of at least 95 percent of the constituent determined. A knowledge of the expected form of the constituent in the sample, as well as the analytical methodology used, is required to judge when the results should be reported as “total in bottom material.” Total length (fish) is the straight-line distance from the anterior point of a fish specimen’s snout, with the mouth closed, to the posterior end of the caudal (tail) fin, with the lobes of the caudal fin squeezed together. Total load refers to all of a constituent in transport. When referring to sediment, it includes suspended load plus bed load. Total organism count is the number of organisms collected and enumerated in any particular sample. (See also “Organism count/volume”) Total recoverable is the amount of a given constituent in a whole-water sample after a sample has been digested by a method (usually using a dilute acid solution) that results in dissolution of only readily soluble substances. Complete dissolution of all particulate matter is not achieved by the digestion treatment, and thus the determination represents something less than the “total” amount (that is, less than 95 percent) of the constituent present in the dissolved and suspended phases of the sample. To achieve comparability of analytical data for whole-water samples, equivalent digestion procedures are required of all laboratories performing such analyses because different digestion procedures may produce different analytical results. Total sediment discharge is the mass of suspendedsediment plus bed-load transport, measured as dry weight, that passes a cross section in a given time. It is a rate and is reported as tons per day. (See also “Bedload,” “Bedload

discharge,” “Sediment,” “Suspended sediment,” and “Suspended-sediment concentration”) Total sediment load or total load is the sediment in transport as bedload and suspended-sediment load. The term may be qualified, such as “annual suspended-sediment load” or “sand-size suspended-sediment load,” and so on. It differs from total sediment discharge in that load refers to the material, whereas discharge refers to the quantity of material, expressed in units of mass per unit time. (See also “Sediment,” “Suspended-sediment load,” and “Total load”) Transect, as used in this report, is a line across a stream perpendicular to the flow and along which measurements are taken, so that morphological and flow characteristics along the line are described from bank to bank. Unlike a cross section, no attempt is made to determine known elevation points along the line. Turbidity is an expression of the optical properties of a liquid that causes light rays to be scattered and absorbed rather than transmitted in straight lines through water. Turbidity, which can make water appear cloudy or muddy, is caused by the presence of suspended and dissolved matter, such as clay, silt, finely divided organic matter, plankton and other microscopic organisms, organic acids, and dyes (ASTM International, 2003, D1889–00 Standard test method for turbidity of water, in ASTM International, Annual Book of ASTM Standards, Water and Environmental Technology, v. 11.01: West Conshohocken, Pennsylvania, 6 p.). The color of water, whether resulting from dissolved compounds or suspended particles, can affect a turbidity measurement. To ensure that USGS turbidity data can be understood and interpreted properly within the context of the instrument used and site conditions encountered, data from each instrument type are stored and reported in the National Water Information System (NWIS) using parameter codes and measurement reporting units that are specific to the instrument type, with specific instruments designated by the method code. The respective measurement units, many of which also are in use internationally, fall into two categories: (1) the designations NTU, NTRU, BU, AU, and NTMU signify the use of a broad spectrum incident light in the wavelength range of 400-680 nanometers (nm), but having different light detection configurations; (2) The designations FNU, FNRU, FBU, FAU, and FNMU generally signify an incident light in the range between 780-900 nm, also with varying light detection configurations. These reporting units are equivalent when measuring a calibration solution (for example, formazin or polymer beads), but their respective instruments may not produce equivalent results for environmental samples. Specific reporting units are as follows: NTU (Nephelometric Turbidity Units): white or broadband [400-680 nm] light source, 90 degree detection angle, one detector.

WATER RESOURCES DATA—SOUTH CAROLINA, 2005

NTRU (Nephelometric Turbidity Ratio Units): white or broadband [400-680 nm] light source, 90 degree detection angle, multiple detectors with ratio compensation. BU (Backscatter Units): white or broadband [400680 nm] light source, 30 ± 15 degree detection angle (backscatter). AU (Attenuation Units): white or broadband [400680 nm] light source, 180 degree detection angle (attenuation). NTMU (Nephelometric Turbidity Multibeam Units): white or broadband [400-680 nm] light source, multiple light sources, detectors at 90 degrees and possibly other angles to each beam. FNU (Formazin Nephelometric Units): near infrared [780-900 nm] or monochrome light source, 90 degree detection angle, one detector. FNRU (Formazin Nephelometric Ratio Units): near infrared [780-900 nm] or monochrome light source, 90 degree detection angle, multiple detectors, ratio compensation. FBU (Formazin Backscatter Units): near infrared [780900 nm] or monochrome light source, 30±15 degree detection angle. FAU (Formazin Attenuation Units): near infrared [780900 nm] light source, 180 degree detection angle. FNMU (Formazin Nephelometric Multibeam Units): near infrared [780-900 nm] or monochrome light source, multiple light sources, detectors at 90 degrees and possibly other angles to each beam. For more information please see http://water.usgs.gov/ owq/FieldManual/Chapter6/6.7_contents.html.

19

constituent present in the sample. To achieve comparability of analytical data, equivalent extraction or digestion procedures are required of all laboratories performing such analyses because different procedures are likely to produce different analytical results. Vertical datum (See “Datum”) Volatile organic compounds (VOCs) are organic compounds that can be isolated from the water phase of a sample by purging the water sample with inert gas, such as helium, and, subsequently, analyzed by gas chromatography. Many VOCs are human-made chemicals that are used and produced in the manufacture of paints, adhesives, petroleum products, pharmaceuticals, and refrigerants. They often are components of fuels, solvents, hydraulic fluids, paint thinners, and dry-cleaning agents commonly used in urban settings. VOC contamination of drinkingwater supplies is a human-health concern because many are toxic and are known or suspected human carcinogens. Water table is that surface in a ground-water body at which the water pressure is equal to the atmospheric pressure. Water-table aquifer is an unconfined aquifer within which the water table is found. Water year in USGS reports dealing with surface-water supply is the 12-month period October 1 through September 30. The water year is designated by the calendar year in which it ends and which includes 9 of the 12 months. Thus, the year ending September 30, 2002, is called the “2002 water year.”

Ultraviolet (UV) absorbance (absorption) at 254 or 280 nanometers is a measure of the aggregate concentration of the mixture of UV absorbing organic materials dissolved in the analyzed water, such as lignin, tannin, humic substances, and various aromatic compounds. UV absorbance (absorption) at 254 or 280 nanometers is measured in UV absorption units per centimeter of path length of UV light through a sample.

Watershed (See “Drainage basin”)

Unconfined aquifer is an aquifer whose upper surface is a water table free to fluctuate under atmospheric pressure. (See “Water-table aquifer”)

Weighted average is used in this report to indicate discharge-weighted average. It is computed by multiplying the discharge for a sampling period by the concentrations of individual constituents for the corresponding period and dividing the sum of the products by the sum of the discharges. A discharge-weighted average approximates the composition of water that would be found in a reservoir containing all the water passing a given location during the water year after thorough mixing in the reservoir.

Unfiltered pertains to the constituents in an unfiltered, representative water-suspended sediment sample. Unfiltered, recoverable is the amount of a given constituent in a representative water-suspended sediment sample that has been extracted or digested. Complete recovery is not achieved by the extraction or digestion treatment and thus the determination represents less than 95 percent of the

WDR is used as an abbreviation for “Water-Data Report” in the REVISED RECORDS paragraph to refer to State annual hydrologic-data reports. (WRD was used as an abbreviation for “Water-Resources Data” in reports published prior to 1976.)

Wet mass is the mass of living matter plus contained water. (See also “Biomass” and “Dry mass”)

20

WATER RESOURCES DATA—SOUTH CAROLINA, 2005

Wet weight refers to the weight of animal tissue or other substance including its contained water. (See also “Dry weight”) WSP is used as an acronym for “Water-Supply Paper” in reference to previously published reports. Zooplankton is the animal part of the plankton. Zooplankton are capable of extensive movements within the water column and often are large enough to be seen with the unaided eye. Zooplankton are secondary consumers feeding upon bacteria, phytoplankton, and detritus. Because they are the grazers in the aquatic environment, the zooplankton are a vital part of the aquatic food web. The zooplankton community is dominated by small crustaceans and rotifers. (See also “Plankton”)

WATER RESOURCES DATA—SOUTH CAROLINA, 2005

DOWNSTREAM ORDER AND STATION NUMBER

number “004100.” In areas of high station density, an additional two digits may be added to the station identification number to yield a 10-digit number. The stations are numbered in downstream order as described above between stations of consecutive 8digit numbers.

Since October 1, 1950, hydrologic-station records in USGS reports have been listed in order of downstream direction along the main stream. All stations on a tributary entering upstream from a main-stream station are listed before that station. A station on a tributary entering between two mainstream stations is listed between those stations. A similar order is followed in listing stations on first rank, second rank, and other ranks of tributaries. The rank of any tributary on which a station is located with respect to the stream to which it is immediately tributary is indicated by an indention in that list of stations in the front of this report. Each indentation represents one rank. This downstream order and system of indentation indicates which stations are on tributaries between any two stations and the rank of the tributary on which each station is located.

NUMBERING SYSTEM FOR WELLS AND MISCELLANEOUS SITES The USGS well and miscellaneous sitenumbering system is based on the grid system of latitude and longitude. The system provides the geographic location of the well or miscellaneous site and a unique number for each site. The number consists of 15 digits. The first 6 digits denote the degrees, minutes, and seconds of latitude, and the next 7 digits denote degrees, minutes, and seconds of longitude; the last 2 digits are a sequential number for wells within a 1-second grid. In the event that the latitude-longitude coordinates for a well and miscellaneous site are the same, a sequential number such as “01,” “02,” and so forth, would be assigned as one would for wells (see figure 2). The 8-digit, downstream order station numbers are not assigned to wells and miscellaneous sites where only random waterquality samples or discharge measurements are taken.

As an added means of identification, each hydrologic station and partial-record station has been assigned a station number. These station numbers are in the same downstream order used in this report. In assigning a station number, no distinction is made between partial-record stations and other stations; therefore, the station number for a partial-record station indicates downstream-order position in a list composed of both types of stations. Gaps are consecutive. The complete 8digit (or 10-digit) number for each station such as 09004100, which appears just to the left of the station name, includes a 2-digit part number “09” plus the 6-digit (or 8-digit) downstream order 38°42'15"

Coordinates for miscellaneous site C (384214112193701) C

14" D E

A B 112°19'37"

38"

112°19'39"

38°42'13" Coordinates for wells D (384213112193801) and E (384213112193802)

21

Coordinates for well A (384213112193701) and miscellaneous site B (384213112193702)

Figure 2. System for numbering wells andwells miscellaneous sites (latitude and(latitude longitude). Figure 8. System for numbering and miscellaneous sites and longitude).

22

WATER RESOURCES DATA—SOUTH CAROLINA, 2005

SPECIAL NETWORKS AND PROGRAMS Hydrologic Benchmark Network is a network of 61 sites in small drainage basins in 39 States that was established in 1963 to provide consistent streamflow data representative of undeveloped watersheds nationwide, and from which data could be analyzed on a continuing basis for use in comparison and contrast with conditions observed in basins more obviously affected by human activities. At selected sites, water-quality information is being gathered on major ions and nutrients, primarily to assess the effects of acid deposition on stream chemistry. Additional information on the Hydrologic Benchmark Program may be accessed from http:// ny.cf.er.usgs.gov/hbn/. National Stream-Quality Accounting Network (NASQAN) is a network of sites used to monitor the water quality of large rivers within the Nation’s largest river basins. From 1995 through 1999, a network of approximately 40 stations was operated in the Mississippi, Columbia, Colorado, and Rio Grande River basins. For the period 2000 through 2004, sampling was reduced to a few index stations on the Colorado and Columbia Rivers so that a network of five stations could be implemented on the Yukon River. Samples are collected with sufficient frequency that the flux of a wide range of constituents can be estimated. The objective of NASQAN is to characterize the water quality of these large rivers by measuring concentration and mass transport of a wide range of dissolved and suspended constituents, including nutrients, major ions, dissolved and sedimentbound heavy metals, common pesticides, and inorganic and organic forms of carbon. This information will be used (1) to describe the longterm trends and changes in concentration and transport of these constituents; (2) to test findings of the National Water-Quality Assessment (NAWQA) Program; (3) to characterize processes unique to large-river systems such as storage and re-mobilization of sediments and associated contaminants; and (4) to refine existing estimates of off-continent transport of water, sediment, and chemicals for assessing human effects on the

world’s oceans and for determining global cycles of carbon, nutrients, and other chemicals. Additional information about the NASQAN Program may be accessed from http:// water.usgs.gov/nasqan/. The National Atmospheric Deposition Program/National Trends Network (NADP/ NTN) is a network of monitoring sites that provides continuous measurement and assessment of the chemical constituents in precipitation throughout the United States. As the lead Federal agency, the USGS works together with over 100 organizations to provide a long-term, spatial and temporal record of atmospheric deposition generated from this network of 250 precipitationchemistry monitoring sites. The USGS supports 74 of these 250 sites. This long-term, nationally consistent monitoring program, coupled with ecosystem research, provides critical information toward a national scorecard to evaluate the effectiveness of ongoing and future regulations intended to reduce atmospheric emissions and subsequent impacts to the Nation’s land and water resources. Reports and other information on the NADP/NTN Program, as well as data from the individual sites, may be accessed from http:// bqs.usgs.gov/acidrain/. The USGS National Water-Quality Assessment (NAWQA) Program is a long-term program with goals to describe the status and trends of water-quality conditions for a large, representative part of the Nation’s ground- and surface-water resources; to provide an improved understanding of the primary natural and human factors affecting these observed conditions and trends; and to provide information that supports development and evaluation of management, regulatory, and monitoring decisions by other agencies. Assessment activities are being conducted in 42 study units (major watersheds and aquifer systems) that represent a wide range of environmental settings nationwide and that account for a large percentage of the Nation’s water use. A wide array of chemical constituents is measured in ground water, surface water, streambed sediments, and fish tissues. The coordinated application of

WATER RESOURCES DATA—SOUTH CAROLINA, 2005

comparative hydrologic studies at a wide range of spatial and temporal scales will provide information for water-resources managers to use in making decisions and a foundation for aggregation and comparison of findings to address waterquality issues of regional and national interest. Communication and coordination between USGS personnel and other local, State, and Federal interests are critical components of the NAWQA Program. Each study unit has a local liaison committee consisting of representatives from key Federal, State, and local water-resources agencies, Indian nations, and universities in the study unit. Liaison committees typically meet semiannually to discuss their information needs, monitoring plans and progress, desired information products, and opportunities for collaboration among the agencies. Additional information about the NAWQA Program may be accessed from http:// water.usgs.gov/nawqa/. The USGS National Streamflow Information Program (NSIP) is a long-term program with goals to provide framework streamflow data across the Nation. Included in the program are creation of a permanent Federally funded streamflow network, research on the nature of streamflow, regional assessments of streamflow data and databases, and upgrades in the streamflow information delivery systems. Additional information about NSIP may be accessed from http://water.usgs.gov/nsip/.

EXPLANATION OF STAGE- AND WATER-DISCHARGE RECORDS Data Collection and Computation The base data collected at gaging stations (figures 4-5) consist of records of stage and measurements of discharge of streams or canals, and stage, surface area, and volume of lakes or reservoirs. In addition, observations of factors affecting the stage-discharge relation or the stagecapacity relation, weather records, and other information are used to supplement base data in determining the daily flow or volume of water in storage. Records of stage are obtained from a

23

water-stage recorder that is either downloaded electronically in the field to a laptop computer or similar device or is transmitted using telemetry such as GOES satellite, land-line or cellular-phone modems, or by radio transmission. Measurements of discharge are made with a current meter or acoustic Doppler current profiler, using the general methods adopted by the USGS. These methods are described in standard textbooks, USGS WaterSupply Paper 2175, and the Techniques of WaterResources Investigations of the United States Geological Survey (TWRIs), Book 3, Chapters A1 through A19 and Book 8, Chapters A2 and B2, which may be accessed from http://water.usgs.gov/ pubs/twri/. The methods are consistent with the American Society for Testing and Materials (ASTM) standards and generally follow the standards of the International Organization for Standardization (ISO). For stream-gaging stations, discharge-rating tables for any stage are prepared from stagedischarge curves. If extensions to the rating curves are necessary to express discharge greater than measured, the extensions are made on the basis of indirect measurements of peak discharge (such as slope-area or contracted-opening measurements, or computation of flow over dams and weirs), stepbackwater techniques, velocity-area studies, and logarithmic plotting. The daily mean discharge is computed from gage heights and rating tables, then the monthly and yearly mean discharges are computed from the daily values. If the stagedischarge relation is subject to change because of frequent or continual change in the physical features of the stream channel, the daily mean discharge is computed by the shifting-control method in which correction factors that are based on individual discharge measurements and notes by engineers and observers are used when applying the gage heights to the rating tables. If the stagedischarge relation for a station is temporarily changed by the presence of aquatic growth or debris on the controlling section, the daily mean discharge is computed by the shifting-control method. The stage-discharge relation at some streamgaging stations is affected by backwater from reservoirs, tributary streams, or other sources. Such

24

WATER RESOURCES DATA—SOUTH CAROLINA, 2005

an occurrence necessitates the use of the slope method in which the slope or fall in a reach of the stream is a factor in computing discharge. The slope or fall is obtained by means of an auxiliary gage at some distance from the base gage. An index velocity is measured using ultrasonic or acoustic instruments at some stream-gaging stations, and this index velocity is used to calculate an average velocity for the flow in the stream. This average velocity along with a stage-area relation is then used to calculate average discharge. At some stations, the stage-discharge relation is affected by changing stage. At these stations, the rate of change in stage is used as a factor in computing discharge. At some stream-gaging stations in the northern United States, the stage-discharge relation is affected by ice in the winter; therefore, computation of the discharge in the usual manner is impossible. Discharge for periods of ice effect is computed on the basis of gage-height record and occasional winter-discharge measurements. Consideration is given to the available information on temperature and precipitation, notes by gage observers and hydrologists, and comparable records of discharge from other stations in the same or nearby basins. For a lake or reservoir station, capacity tables giving the volume or contents for any stage are prepared from stage-area relation curves defined by surveys. The application of the stage to the capacity table gives the contents, from which the daily, monthly, or yearly changes are computed. If the stage-capacity curve is subject to changes because of deposition of sediment in the reservoir, periodic resurveys of the reservoir are necessary to define new stage-capacity curves. During the period between reservoir surveys, the computed contents may be increasingly in error due to the gradual accumulation of sediment. For some stream-gaging stations, periods of time occur when no gage-height record is obtained or the recorded gage height is faulty and cannot be used to compute daily discharge or contents. Such

a situation can happen when the recorder stops or otherwise fails to operate properly, the intakes are plugged, the float is frozen in the well, or for various other reasons. For such periods, the daily discharges are estimated on the basis of recorded range in stage, prior and subsequent records, discharge measurements, weather records, and comparison with records from other stations in the same or nearby basins. Likewise, lake or reservoir volumes may be estimated on the basis of operator’s log, prior and subsequent records, inflow-outflow studies, and other information.

Data Presentation The records published for each continuousrecord surface-water discharge station (streamgaging station) consist of five parts: (1) the station manuscript or description; (2) the data table of daily mean values of discharge for the current water year with summary data; (3) a tabular statistical summary of monthly mean flow data for a designated period, by water year; (4) a summary statistics table that includes statistical data of annual, daily, and instantaneous flows as well as data pertaining to annual runoff, 7-day low-flow minimums, and flow duration; and (5) a hydrograph of discharge. Station Manuscript The manuscript provides, under various headings, descriptive information, such as station location; period of record; historical extremes outside the period of record; record accuracy; and other remarks pertinent to station operation and regulation. The following information, as appropriate, is provided with each continuous record of discharge or lake content. Comments follow that clarify information presented under the various headings of the station description. LOCATION.—Location information is obtained from the most accurate maps available. The location of the gaging station with respect to the cultural and physical features in the vicinity and with respect to the reference place mentioned in the station name is given. River mileages, given for only a few stations, were determined by methods

WATER RESOURCES DATA—SOUTH CAROLINA, 2005

given in “River Mileage Measurement,” Bulletin 14, Revision of October 1968, prepared by the Water Resources Council or were provided by the U.S. Army Corps of Engineers. DRAINAGE AREA.—Drainage areas are measured using the most accurate maps available. Because the type of maps available varies from one drainage basin to another, the accuracy of drainage areas likewise varies. Drainage areas are updated as better maps become available. PERIOD OF RECORD.—This term indicates the time period for which records have been published for the station or for an equivalent station. An equivalent station is one that was in operation at a time that the present station was not and whose location was such that its flow reasonably can be considered equivalent to flow at the present station. REVISED RECORDS.—If a critical error in published records is discovered, a revision is included in the first report published following discovery of the error. GAGE.—The type of gage in current use, the datum of the current gage referred to a standard datum, and a condensed history of the types, locations, and datums of previous gages are given under this heading. REMARKS.—All periods of estimated daily discharge either will be identified by date in this paragraph of the station description for waterdischarge stations or flagged in the daily discharge table. (See section titled Identifying Estimated Daily Discharge.) Information is presented relative to the accuracy of the records, to special methods of computation, and to conditions that affect natural flow at the station. In addition, information may be presented pertaining to average discharge data for the period of record; to extremes data for the period of record and the current year; and, possibly, to other pertinent items. For reservoir stations, information is given on the dam forming the reservoir, the capacity, the outlet works and spillway, and the purpose and use of the reservoir.

25

COOPERATION.—Records provided by a cooperating organization or obtained for the USGS by a cooperating organization are identified here. EXTREMES OUTSIDE PERIOD OF RECORD.—Information here documents major floods or unusually low flows that occurred outside the stated period of record. The information may or may not have been obtained by the USGS. REVISIONS.—Records are revised if errors in published records are discovered. Appropriate updates are made in the USGS distributed data system, NWIS, and subsequently to its Web-based national data system, NWISWeb (http:// water.usgs.gov/nwis/nwis). Users are encouraged to obtain all required data from NWIS or NWISWeb to ensure that they have the most recent data updates. Updates to NWISWeb are made on an annual basis. Although rare, occasionally the records of a discontinued gaging station may need revision. Because no current or, possibly, future station manuscript would be published for these stations to document the revision in a REVISED RECORDS entry, users of data for these stations who obtained the record from previously published data reports may wish to contact the USGS Water Science Center (address given on the back of the title page of this report) to determine if the published records were revised after the station was discontinued. If, however, the data for a discontinued station were obtained by computer retrieval, the data would be current. Any published revision of data is always accompanied by revision of the corresponding data in computer storage. Manuscript information for lake or reservoir stations differs from that for stream stations in the nature of the REMARKS and in the inclusion of a stage-capacity table when daily volumes are given. Peak Discharge Greater than Base Discharge Tables of peak discharge above base discharge are included for some stations where secondary instantaneous peak discharge data are used in flood-frequency studies of highway and bridge design, flood-control structures, and other flood-

26

WATER RESOURCES DATA—SOUTH CAROLINA, 2005

related projects. The base discharge value is selected so an average of three peaks a year will be reported. This base discharge value has a recurrence interval of approximately 1.1 years or a 91-percent chance of exceedence in any 1 year.

computed are consecutive, unless a break in the station record is indicated in the manuscript.

Data Table of Daily Mean Values

A table titled SUMMARY STATISTICS follows the statistics of monthly mean data tabulation. This table consists of four columns with the first column containing the line headings of the statistics being reported. The table provides a statistical summary of yearly, daily, and instantaneous flows, not only for the current water year but also for the previous calendar year and for a designated period, as appropriate. The designated period selected, WATER YEARS __-__, will consist of all of the station records within the specified water years, including complete months of record for partial water years, and may coincide with the period of record for the station. The water years for which the statistics are computed are consecutive, unless a break in the station record is indicated in the manuscript. All of the calculations for the statistical characteristics designated ANNUAL (see line headings below), except for the ANNUAL 7-DAY MINIMUM statistic, are calculated for the designated period using complete water years. The other statistical characteristics may be calculated using partial water years.

The daily table of discharge records for streamgaging stations gives mean discharge for each day of the water year. In the monthly summary for the table, the line headed TOTAL gives the sum of the daily figures for each month; the line headed MEAN gives the arithmetic average flow in cubic feet per second for the month; and the lines headed MAX and MIN give the maximum and minimum daily mean discharges, respectively, for each month. Discharge for the month is expressed in cubic feet per second per square mile (line headed CFSM); or in inches (line headed IN); or in acrefeet (line headed AC-FT). Values for cubic feet per second per square mile and runoff in inches or in acre-feet may be omitted if extensive regulation or diversion is in effect or if the drainage area includes large noncontributing areas. At some stations, monthly and (or) yearly observed discharges are adjusted for reservoir storage or diversion, or diversion data or reservoir volumes are given. These values are identified by a symbol and a corresponding footnote. Statistics of Monthly Mean Data A tabular summary of the mean (line headed MEAN), maximum (MAX), and minimum (MIN) of monthly mean flows for each month for a designated period is provided below the mean values table. The water years of the first occurrence of the maximum and minimum monthly flows are provided immediately below those values. The designated period will be expressed as FOR WATER YEARS __-__, BY WATER YEAR (WY), and will list the first and last water years of the range of years selected from the PERIOD OF RECORD paragraph in the station manuscript. The designated period will consist of all of the station record within the specified water years, including complete months of record for partial water years, and may coincide with the period of record for the station. The water years for which the statistics are

Summary Statistics

The date or water year, as appropriate, of the first occurrence of each statistic reporting extreme values of discharge is provided adjacent to the statistic. Repeated occurrences may be noted in the REMARKS paragraph of the manuscript or in footnotes. Because the designated period may not be the same as the station period of record published in the manuscript, occasionally the dates of occurrence listed for the daily and instantaneous extremes in the designated-period column may not be within the selected water years listed in the heading. When the dates of occurrence do not fall within the selected water years listed in the heading, it will be noted in the REMARKS paragraph or in footnotes. Selected streamflow duration-curve statistics and runoff data also are given. Runoff data may be omitted if extensive regulation or diversion of flow is in effect in the drainage basin.

WATER RESOURCES DATA—SOUTH CAROLINA, 2005

The following summary statistics data are provided with each continuous record of discharge. Comments that follow clarify information presented under the various line headings of the SUMMARY STATISTICS table. ANNUAL TOTAL.—The sum of the daily mean values of discharge for the year. ANNUAL MEAN.—The arithmetic mean for the individual daily mean discharges for the year noted or for the designated period. HIGHEST ANNUAL MEAN.—The maximum annual mean discharge occurring for the designated period. LOWEST ANNUAL MEAN.—The minimum annual mean discharge occurring for the designated period. HIGHEST DAILY MEAN.—The maximum daily mean discharge for the year or for the designated period. LOWEST DAILY MEAN.—The minimum daily mean discharge for the year or for the designated period. ANNUAL 7-DAY MINIMUM.—The lowest mean discharge for 7 consecutive days for a calendar year or a water year. Note that most low-flow frequency analyses of annual 7-day minimum flows use a climatic year (April 1-March 31). The date shown in the summary statistics table is the initial date of the 7-day period. This value should not be confused with the 7-day 10-year low-flow statistic. MAXIMUM PEAK FLOW.—The maximum instantaneous peak discharge occurring for the water year or designated period. Occasionally the maximum flow for a year may occur at midnight at the beginning or end of the year, on a recession from or rise toward a higher peak in the adjoining year. In this case, the maximum peak flow is given in the table and the maximum flow may be reported in a footnote or in the REMARKS paragraph in the manuscript.

27

MAXIMUM PEAK STAGE.—The maximum instantaneous peak stage occurring for the water year or designated period. Occasionally the maximum stage for a year may occur at midnight at the beginning or end of the year, on a recession from or rise toward a higher peak in the adjoining year. In this case, the maximum peak stage is given in the table and the maximum stage may be reported in the REMARKS paragraph in the manuscript or in a footnote. If the dates of occurrence of the maximum peak stage and maximum peak flow are different, the REMARKS paragraph in the manuscript or a footnote may be used to provide further information. INSTANTANEOUS LOW FLOW.—The minimum instantaneous discharge occurring for the water year or for the designated period. ANNUAL RUNOFF.—Indicates the total quantity of water in runoff for a drainage area for the year. Data reports may use any of the following units of measurement in presenting annual runoff data: Acre-foot (AC-FT) is the quantity of water required to cover 1 acre to a depth of 1 foot and is equivalent to 43,560 cubic feet or about 326,000 gallons or 1,233 cubic meters. Cubic feet per square mile (CFSM) is the average number of cubic feet of water flowing per second from each square mile of area drained, assuming the runoff is distributed uniformly in time and area. Inches (INCHES) indicate the depth to which the drainage area would be covered if all of the runoff for a given time period were uniformly distributed on it. 10 PERCENT EXCEEDS.—The discharge that has been exceeded 10 percent of the time for the designated period. 50 PERCENT EXCEEDS.—The discharge that has been exceeded 50 percent of the time for the designated period.

28

WATER RESOURCES DATA—SOUTH CAROLINA, 2005

90 PERCENT EXCEEDS.—The discharge that has been exceeded 90 percent of the time for the designated period. Data collected at partial-record stations follow the information for continuous-record sites. Data for partial-record discharge stations are presented in two tables. The first table lists annual maximum stage and discharge at crest-stage stations, and the second table lists discharge measurements at lowflow partial-record stations. The tables of partialrecord stations are followed by a listing of discharge measurements made at sites other than continuous-record or partial-record stations. These measurements are often made in times of drought or flood to give better areal coverage to those events. Those measurements and others collected for a special reason are called measurements at miscellaneous sites.

Identifying Estimated Daily Discharge Estimated daily-discharge values published in the water-discharge tables of annual State data reports are identified. This identification is shown either by flagging individual daily values with the letter “e” and noting in a table footnote, “e– Estimated,” or by listing the dates of the estimated record in the REMARKS paragraph of the station description.

Accuracy of Field Data and Computed Results The accuracy of streamflow data depends primarily on (1) the stability of the stage-discharge relation or, if the control is unstable, the frequency of discharge measurements, and (2) the accuracy of observations of stage, measurements of discharge, and interpretations of records. The degree of accuracy of the records is stated in the REMARKS in the station description. “Excellent” indicates that about 95 percent of the daily discharges are within 5 percent of the true value; “good” within 10 percent; and “fair,” within 15 percent. “Poor” indicates that daily discharges have less than “fair” accuracy. Different accuracies

may be attributed to different parts of a given record. Values of daily mean discharge in this report are shown to the nearest hundredth of a cubic foot per second for discharges of less than 1 ft3/s; to the nearest tenths between 1.0 and 10 ft3/s; to whole numbers between 10 and 1,000 ft3/s; and to three significant figures above 1,000 ft3/s. The number of significant figures used is based solely on the magnitude of the discharge value. The same rounding rules apply to discharge values listed for partial-record stations. Discharge at many stations, as indicated by the monthly mean, may not reflect natural runoff due to the effects of diversion, consumption, regulation by storage, increase or decrease in evaporation due to artificial causes, or to other factors. For such stations, values of cubic feet per second per square mile and of runoff in inches are not published unless satisfactory adjustments can be made for diversions, for changes in contents of reservoirs, or for other changes incident to use and control. Evaporation from a reservoir is not included in the adjustments for changes in reservoir contents, unless it is so stated. Even at those stations where adjustments are made, large errors in computed runoff may occur if adjustments or losses are large in comparison with the observed discharge.

Other Data Records Available Information of a more detailed nature than that published for most of the stream-gaging stations such as discharge measurements, gage-height records, and rating tables is available from the USGS Water Science Center. Also, most streamgaging station records are available in computerusable form and many statistical analyses have been made. Information on the availability of unpublished data or statistical analyses may be obtained from the USGS Water Science Center (see address that is shown on the back of the title page of this report).

WATER RESOURCES DATA—SOUTH CAROLINA, 2005

29

EXPLANATION OF PRECIPITATION RECORDS

INSTRUMENTATION.—Information on the type of rainfall collection system is given.

Data Collection and Computation

REMARKS.—Remarks provide added information pertinent to the collection, analysis, or computation of records.

Rainfall data generally are collected using electronic data loggers that measure the rainfall in 0.01-inch increments every 15 minutes using either a tipping-bucket rain gage or a collection well gage. Twenty-four hour rainfall totals are tabulated and presented. A 24-hour period extends from just past midnight of the previous day to midnight of the current day. Snowfall-affected data can result during cold weather when snow fills the rain-gage funnel and then melts as temperatures rise. Snowfall-affected data are subject to errors. Missing values are indicated by this symbol “---” in the table.

Data Presentation Precipitation records collected at surface-water gaging stations are identified with the same station number and name as the stream-gaging station. Where a surface-water daily-record station is not available, the precipitation record is published with its own name and latitude-longitude identification number. Information pertinent to the history of a precipitation station is provided in descriptive headings preceding the tabular data. These descriptive headings give details regarding location, period of record, and general remarks. The following information is provided with each precipitation station. Comments that follow clarify information presented under the various headings of the station description. LOCATION.—See Data Presentation in the EXPLANATION OF STAGE- AND WATERDISCHARGE RECORDS section of this report (same comments apply). PERIOD OF RECORD.—See Data Presentation in the EXPLANATION OF STAGE- AND WATERDISCHARGE RECORDS section of this report (same comments apply).

EXPLANATION OF WATER-QUALITY RECORDS Collection and Examination of Data Surface-water samples for analysis usually are collected at or near stream-gaging stations. The quality-of-water records are given immediately following the discharge records at these stations. The descriptive heading for water-quality records gives the period of record for all waterquality data; the period of daily record for parameters that are measured on a daily basis (specific conductance, water temperature, sediment discharge, and so forth); extremes for the current year; and general remarks. For ground-water records, no descriptive statements are given; however, the well number, depth of well, sampling date, or other pertinent data are given in the table containing the chemical analyses of the ground water.

Water Analysis Most of the methods used for collecting and analyzing water samples are described in the TWRIs, which may be accessed from http:// water.usgs.gov/pubs/twri/. One sample can define adequately the water quality at a given time if the mixture of solutes throughout the stream cross section is homogeneous. However, the concentration of solutes at different locations in the cross section may vary considerably with different rates of water discharge, depending on the source of material and the turbulence and mixing of the stream. Some streams must be sampled at several verticals to obtain a representative sample needed for an

30

WATER RESOURCES DATA—SOUTH CAROLINA, 2005

accurate mean concentration and for use in calculating load.

to define water-quality conditions in the river basin.

Chemical-quality data published in this report are considered to be the most representative values available for the stations listed. The values reported represent water-quality conditions at the time of sampling as much as possible, consistent with available sampling techniques and methods of analysis. In the rare case where an apparent inconsistency exists between a reported pH value and the relative abundance of carbon dioxide species (carbonate and bicarbonate), the inconsistency is the result of a slight uptake of carbon dioxide from the air by the sample between measurement of pH in the field and determination of carbonate and bicarbonate in the laboratory.

A careful distinction needs to be made between continuous records as used in this report and continuous recordings that refer to a continuous graph or a series of discrete values recorded at short intervals. Some records of water quality, such as temperature and specific conductance, may be obtained through continuous recordings; however, because of costs, most data are obtained only monthly or less frequently. Locations of stations for which records on the quality of surface water appear in this report are shown in figure 6.

Accuracy of the Records

For chemical-quality stations equipped with digital monitors, the records consist of daily maximum and minimum values (and sometimes mean or median values) for each constituent measured and are based on 15-minute or 1-hour intervals of recorded data beginning at 0000 hours and ending at 2400 hours for the day of record.

One of four accuracy classifications is applied for measured physical properties at continuousrecord stations on a scale ranging from poor to excellent. The accuracy rating is based on data values recorded before any shifts or corrections are made. Additional consideration also is given to the amount of publishable record and to the amount of data that have been corrected or shifted.

SURFACE-WATER-QUALITY RECORDS

Arrangement of Records

Records of surface-water quality ordinarily are obtained at or near stream-gaging stations because discharge data are useful in the interpretation of surface-water quality. Records of surface-water quality in this report involve a variety of types of data and measurement frequencies.

Water-quality records collected at a surfacewater daily record station are published immediately following that record, regardless of the frequency of sample collection. Station number and name are the same for both records. Where a surface-water daily record station is not available or where the water quality differs significantly from that at the nearby surface-water station, the continuing water-quality record is published with its own station number and name in the regular downstream-order sequence. Water-quality data for partial-record stations and for miscellaneous sampling sites appear in separate tables following the table of discharge measurements at miscellaneous sites.

Classification of Records Water-quality data for surface-water sites are grouped into one of three classifications. A continuous-record station is a site where data are collected on a regularly scheduled basis. Frequency may be one or more times daily, weekly, monthly, or quarterly. A partial-record station is a site where limited water-quality data are collected systematically over a period of years. Frequency of sampling is usually less than quarterly. A miscellaneous sampling site is a location other than a continuous- or partial-record station, where samples are collected to give better areal coverage

Onsite Measurements and Sample Collection In obtaining water-quality data, a major concern is assuring that the data obtained represent

WATER RESOURCES DATA—SOUTH CAROLINA, 2005

31

Rating the accuracy of continuous water-quality records [≤, less than or equal to; ±, plus or minus value shown; °C, degree Celsius; >, greater than; %, percent; mg/L, milligram per liter; pH unit, standard pH unit] Ratings of accuracy (Based on combined fouling and calibration drift corrections applied to the record) Measured field parameter

Excellent

Good

Fair

Poor

Water temperature

≤ ± 0.2 °C

> ± 0.2 – 0.5 °C

> ± 0.5 – 0.8 °C

> ± 0.8 °C

Specific conductance

≤ ± 3%

> ± 3 – 10%

> ± 10 – 15%

> ± 15%

Dissolved oxygen

≤ ± 0.3 mg/L or ≤ ± 5%, whichever is greater

> ± 0.3 – 0.5 mg/L or > ± 5 – 10%, whichever is greater

> ± 0.5 – 0.8 mg/L or > ± 10 – 15%, whichever is greater

> ± 0.8 mg/L or > ± 15%, whichever is greater

pH

≤ ± 0.2 units

> ± 0.2 – 0.5 units

> ± 0.5 – 0.8 units

> ± 0.8 units

Turbidity

≤ ± 0.5 turbidity units or ≤ ± 5%, whichever is greater

> ± 0.5 – 1.0 turbidity units or > ± 5 – 10%, whichever is greater

> ± 1.0 – 1.5 turbidity units or > ± 10 – 15%, whichever is greater

> ± 1.5 turbidity units or > ± 15%, whichever is greater

the naturally occurring quality of the water. To ensure this, certain measurements, such as water temperature, pH, and dissolved oxygen, must be made onsite when the samples are collected. To assure that measurements made in the laboratory also represent the naturally occurring water, carefully prescribed procedures must be followed in collecting the samples, in treating the samples to prevent changes in quality pending analysis, and in shipping the samples to the laboratory. Procedures for onsite measurements and for collecting, treating, and shipping samples are given in TWRIs Book 1, Chapter D2; Book 3, Chapters A1, A3, and A4; and Book 9, Chapters A1-A9. Most of the methods used for collecting and analyzing water samples are described in the TWRIs, which may be accessed from http://water.usgs.gov/pubs/twri/. Also, detailed information on collecting, treating, and shipping samples can be obtained from the USGS Water Science Center (see address that is shown on the back of title page in this report).

temperatures are taken at about the same time each day. Large streams have a small diurnal temperature change; shallow streams may have a daily range of several degrees and may follow closely the changes in air temperature. Some streams may be affected by waste-heat discharges. At stations where recording instruments are used, either mean temperatures or maximum and minimum temperatures for each day are published. Water temperatures measured at the time of waterdischarge measurements are on file in the USGS Water Science Center.

Sediment

Water Temperature

Suspended-sediment concentrations are determined from samples collected by using depthintegrating samplers. Samples usually are obtained at several verticals in the cross section, or a single sample may be obtained at a fixed point and a coefficient applied to determine the mean concentration in the cross section.

Water temperatures are measured at most of the water-quality stations. In addition, water temperatures are taken at the time of discharge measurements for water-discharge stations. For stations where water temperatures are taken manually once or twice daily, the water

During periods of rapidly changing flow or rapidly changing concentration, samples may be collected more frequently (twice daily or, in some instances, hourly). The published sediment discharges for days of rapidly changing flow or concentration are computed by the subdivided-day

32

WATER RESOURCES DATA—SOUTH CAROLINA, 2005

method (time-discharge weighted average). Therefore, for those days when the published sediment discharge value differs from the value computed as the product of discharge times mean concentration times 0.0027, the reader can assume that the sediment discharge for that day was computed by the subdivided-day method. For periods when no samples were collected, daily discharges of suspended sediment were estimated on the basis of water discharge, sediment concentrations observed immediately before and after the periods, and suspended-sediment loads for other periods of similar discharge. At other stations, suspended-sediment samples are collected periodically at many verticals in the stream cross section. Although data collected periodically may represent conditions only at the time of observation, such data are useful in establishing seasonal relations between quality and streamflow and in predicting long-term sedimentdischarge characteristics of the stream. In addition to the records of suspendedsediment discharge, records of the periodic measurements of the particle-size distribution of the suspended sediment and bed material are included for some stations.

Laboratory Measurements Samples for biochemical oxygen demand (BOD) and indicator bacteria are analyzed locally. All other samples are analyzed in the USGS laboratory in Lakewood, Colorado, unless otherwise noted. Methods used in analyzing sediment samples and computing sediment records are given in TWRI, Book 5, Chapter C1. Methods used by the USGS laboratories are given in the TWRIs, Book 1, Chapter D2; Book 3, Chapter C2; and Book 5, Chapters A1, A3, and A4. The TWRI publications may be accessed from http:// water.usgs.gov/pubs/twri/. These methods are consistent with ASTM standards and generally follow ISO standards.

Data Presentation For continuing-record stations, information pertinent to the history of station operation is provided in descriptive headings preceding the tabular data. These descriptive headings give details regarding location, drainage area, period of record, type of data available, instrumentation, general remarks, cooperation, and extremes for parameters currently measured daily. Tables of chemical, physical, biological, radiochemical data, and so forth, obtained at a frequency less than daily are presented first. Tables of “daily values” of specific conductance, pH, water temperature, dissolved oxygen, and suspended sediment then follow in sequence. In the descriptive headings, if the location is identical to that of the discharge gaging station, neither the LOCATION nor the DRAINAGE AREA statements are repeated. The following information is provided with each continuousrecord station. Comments that follow clarify information presented under the various headings of the station description. LOCATION.—See Data Presentation information in the EXPLANATION OF STAGE- AND WATER-DISCHARGE RECORDS section of this report (same comments apply). DRAINAGE AREA.—See Data Presentation information in the EXPLANATION OF STAGEAND WATER-DISCHARGE RECORDS section of this report (same comments apply). PERIOD OF RECORD.—This indicates the time periods for which published water-quality records for the station are available. The periods are shown separately for records of parameters measured daily or continuously and those measured less than daily. For those measured daily or continuously, periods of record are given for the parameters individually. INSTRUMENTATION.—Information on instrumentation is given only if a water-quality monitor temperature record, sediment pumping

WATER RESOURCES DATA—SOUTH CAROLINA, 2005

sampler, or other sampling device is in operation at a station. REMARKS.—Remarks provide added information pertinent to the collection, analysis, or computation of the records. COOPERATION.—Records provided by a cooperating organization or obtained for the USGS by a cooperating organization are identified here. EXTREMES.—Maximums and minimums are given only for parameters measured daily or more frequently. For parameters measured weekly or less frequently, true maximums or minimums may not have been obtained. Extremes, when given, are provided for both the period of record and for the current water year. REVISIONS.—Records are revised if errors in published water-quality records are discovered. Appropriate updates are made in the USGS distributed data system, NWIS, and subsequently to its Web-based national data system, NWISWeb (http://waterdata.usgs.gov/nwis). Users of USGS water-quality data are encouraged to obtain all required data from NWIS or NWISWeb to ensure that they have the most recent updates. Updates to the NWISWeb are made on an annual basis. The surface-water-quality records for partialrecord stations and miscellaneous sampling sites are published in separate tables following the table of discharge measurements at miscellaneous sites. No descriptive statements are given for these records. Each station is published with its own station number and name in the regular downstream-order sequence.

Remark Codes The following remark codes may appear with the water-quality data in this section: Printed Output

Remark

E

Value is estimated.

>

Actual value is known to be greater than the value shown.

<

Actual value is known to be less than the value shown.

Printed Output

33

Remark

M

Presence of material verified, but not quantified.

N

Presumptive evidence of presence of material.

U

Material specifically analyzed for, but not detected.

A

Value is an average.

V

Analyte was detected in both the environmental sample and the associated blanks.

S

Most probable value.

Water-Quality Control Data The USGS National Water Quality Laboratory collects quality-control data on a continuing basis to evaluate selected analytical methods to determine long-term method detection levels (LTMDLs) and laboratory reporting levels (LRLs). These values are re-evaluated each year on the basis of the most recent quality-control data and, consequently, may change from year to year. This reporting procedure limits the occurrence of false positive error. Falsely reporting a concentration greater than the LT-MDL for a sample in which the analyte is not present is 1 percent or less. Application of the LRL limits the occurrence of false negative error. The chance of falsely reporting a nondetection for a sample in which the analyte is present at a concentration equal to or greater than the LRL is 1 percent or less. Accordingly, concentrations are reported as less than LRL for samples in which the analyte either was not detected or did not pass identification. Analytes detected at concentrations between the LT-MDL and the LRL and that pass identification criteria are estimated. Estimated concentrations will be noted with a remark code of “E.” These data should be used with the understanding that their uncertainty is greater than that of data reported without the E remark code. Data generated from quality-control (QC) samples are a requisite for evaluating the quality of the sampling and processing techniques as well as

34

WATER RESOURCES DATA—SOUTH CAROLINA, 2005

data from the actual samples themselves. Without QC data, environmental sample data cannot be adequately interpreted because the errors associated with the sample data are unknown. The various types of QC samples collected by a USGS Water Science Center are described in the following section. Procedures have been established for the storage of water-quality-control data within the USGS. These procedures allow for storage of all derived QC data and are identified so that they can be related to corresponding environmental samples. These data are not presented in this report but are available from the USGS Water Science Center.

Blank Samples

Sampler blank—A blank solution that is poured or pumped through the same field sampler used for collecting an environmental sample. Filter blank—A blank solution that is filtered in the same manner and through the same filter apparatus used for an environmental sample. Splitter blank—A blank solution that is mixed and separated using a field splitter in the same manner and through the same apparatus used for an environmental sample. Preservation blank—A blank solution that is treated with the sampler preservatives used for an environmental sample.

Reference Samples Blank samples are collected and analyzed to ensure that environmental samples have not been contaminated in the overall data-collection process. The blank solution used to develop specific types of blank samples is a solution that is free of the analytes of interest. Any measured value signal in a blank sample for an analyte (a specific component measured in a chemical analysis) that was absent in the blank solution is believed to be due to contamination. Many types of blank samples are possible; each is designed to segregate a different part of the overall data-collection process. The types of blank samples collected by this USGS Water Science Center are: Field blank—A blank solution that is subjected to all aspects of sample collection, field processing preservation, transportation, and laboratory handling as an environmental sample. Trip blank—A blank solution that is put in the same type of bottle used for an environmental sample and kept with the set of sample bottles before and after sample collection. Equipment blank—A blank solution that is processed through all equipment used for collecting and processing an environmental sample (similar to a field blank but normally done in the more controlled conditions of the office).

Reference material is a solution or material prepared by a laboratory. The reference material composition is certified for one or more properties so that it can be used to assess a measurement method. Samples of reference material are submitted for analysis to ensure that an analytical method is accurate for the known properties of the reference material. Generally, the selected reference material properties are similar to the environmental sample properties.

Replicate Samples Replicate samples are a set of environmental samples collected in a manner such that the samples are thought to be essentially identical in composition. Replicate is the general case for which a duplicate is the special case consisting of two samples. Replicate samples are collected and analyzed to establish the amount of variability in the data contributed by some part of the collection and analytical process. Many types of replicate samples are possible, each of which may yield slightly different results in a dynamic hydrologic setting, such as a flowing stream. The types of replicate samples collected in this district are: Concurrent samples—A type of replicate sample in which the samples are collected simultaneously with two or more samplers or by using one sampler

WATER RESOURCES DATA—SOUTH CAROLINA, 2005

and alternating the collection of samples into two or more compositing containers. Sequential samples—A type of replicate sample in which the samples are collected one after the other, typically over a short time. Split sample—A type of replicate sample in which a sample is split into subsamples, each subsample contemporaneous in time and space.

Spike Samples Spike samples are samples to which known quantities of a solution with one or more wellestablished analyte concentrations have been added. These samples are analyzed to determine the extent of matrix interference or degradation on the analyte concentration during sample processing and analysis.

EXPLANATION OF GROUND-WATERLEVEL RECORDS Generally, only ground-water-level data from selected wells with continuous recorders from a basic network of observation wells are published in this report. This basic network contains observation wells located so that the most significant data are obtained from the fewest wells in the most important aquifers.

Site Identification Numbers Each well is identified by means of (1) a 15digit number that is based on latitude and longitude and (2) a local number that is produced for local needs.

Data Collection and Computation Measurements are made in many types of wells, under varying conditions of access and at different temperatures; hence, neither the method of measurement nor the equipment can be standardized. At each observation well, however, the equipment and techniques used are those that will ensure that measurements at each well are consistent.

35

Most methods for collecting and analyzing water samples are described in the TWRIs referred to in the Onsite Measurements and Sample Collection and the Laboratory Measurements sections in this report. In addition, TWRI Book 1, Chapter D2, describes guidelines for the collection and field analysis of ground-water samples for selected unstable constituents. Procedures for onsite measurements and for collecting, treating, and shipping samples are given in TWRIs Book 1, Chapter D2; Book 3, Chapters A1, A3, and A4; and Book 9, Chapters A1 through A9. The TWRI publications may be accessed from http:// water.usgs.gov/pubs/twri/. The values in this report represent water-quality conditions at the time of sampling, as much as possible, and that are consistent with available sampling techniques and methods of analysis. These methods are consistent with ASTM standards and generally follow ISO standards. Trained personnel collected all samples. The wells sampled were pumped long enough to ensure that the water collected came directly from the aquifer and had not stood for a long time in the well casing where it would have been exposed to the atmosphere and to the material, possibly metal, comprising the casings. Water-level measurements in this report are given in feet with reference to land-surface datum (lsd). Land-surface datum is a datum plane that is approximately at land surface at each well. If known, the elevation of the land-surface datum above sea level is given in the well description. The height of the measuring point (MP) above or below land-surface datum is given in each well description. Water levels in wells equipped with recording gages are reported for every fifth day and the end of each month (EOM). Water levels are reported to as many significant figures as can be justified by the local conditions. For example, in a measurement of a depth of water of several hundred feet, the error in determining the absolute value of the total depth to water may be a few tenths of a foot, whereas the error in determining the net change of water level between successive measurements may be only a hundredth or a few hundredths of a foot. For lesser depths to water the accuracy is greater. Accordingly, most measurements are reported to a hundredth of a foot,

36

WATER RESOURCES DATA—SOUTH CAROLINA, 2005

but some are given only to a tenth of a foot or a larger unit.

Data Presentation Water-level data are presented in alphabetical order by county. The primary identification number for a given well is the 15-digit site identification number that appears in the upper left corner of the table. The secondary identification number is the local or county well number. Well locations are shown and each well is identified by its local well or county well number on a map in this report (figure 9). Each well record consists of three parts: the well description, the data table of water levels observed during the water year, and, for most wells, a hydrograph following the data table. Well descriptions are presented in the headings preceding the tabular data. The following comments clarify information presented in these various headings. LOCATION.—This paragraph follows the wellidentification number and reports the hydrologicunit number and a geographic point of reference. Latitudes and longitudes used in this report are reported as North American Datum of 1927 unless otherwise specified. AQUIFER.—This entry designates by name and geologic age the aquifer that the well taps. WELL CHARACTERISTICS.—This entry describes the well in terms of depth, casing diameter and depth or screened interval, method of construction, use, and changes since construction. INSTRUMENTATION.—This paragraph provides information on both the frequency of measurement and the collection method used, allowing the user to better evaluate the reported water-level extremes by knowing whether they are based on continuous, monthly, or some other frequency of measurement. DATUM.—This entry describes both the measuring point and the land-surface elevation at

the well. The altitude of the land-surface datum is described in feet above the altitude datum; it is reported with a precision depending on the method of determination. The measuring point is described physically (such as top of casing, top of instrument shelf, and so forth), and in relation to land surface (such as 1.3 ft above land-surface datum). The elevation of the land-surface datum is described in feet above National Geodetic Vertical Datum of 1929 (NGVD 29); it is reported with a precision depending on the method of determination. REMARKS.—This entry describes factors that may affect the water level in a well or the measurement of the water level, when various methods of measurement were begun, and the network (climatic, terrane, local, or areal effects) or the special project to which the well belongs. PERIOD OF RECORD.—This entry indicates the time period for which records are published for the well, the month and year at the start of publication of water-level records by the USGS, and the words “to current year” if the records are to be continued into the following year. Time periods for which water-level records are available, but are not published by the USGS, may be noted. EXTREMES FOR PERIOD OF RECORD.—This entry contains the highest and lowest instantaneously recorded or measured water levels of the period of published record, with respect to land-surface datum or sea level, and the dates of occurrence. Water-Level Tables A table of water levels follows the well description for each well. Water-level measurements in this report are given in feet with reference to either sea level or land-surface datum (lsd). Missing records are indicated by dashes in place of the water-level value. For wells not equipped with recorders, waterlevel measurements were obtained periodically by steel or electric tape. Tables of periodic water-level measurements in these wells show the date of measurement and the measured water-level value.

WATER RESOURCES DATA—SOUTH CAROLINA, 2005

Hydrographs Hydrographs are a graphic display of waterlevel fluctuations over a period of time. In this report, current water year and, when appropriate, period-of-record hydrographs are shown. Hydrographs that display periodic water-level measurements show points that may be connected with a dashed line from one measurement to the next. Hydrographs that display recorder data show a solid line representing the mean water level recorded for each day. Missing data are indicated by a blank space or break in a hydrograph. Missing data may occur as a result of recorder malfunctions, battery failures, or mechanical problems related to the response of the recorder’s float mechanism to water-level fluctuations in a well.

GROUND-WATER-QUALITY DATA Data Collection and Computation The ground-water-quality data in this report were obtained as a part of special studies in specific areas. Consequently, a number of chemical analyses are presented for some wells within a county but not for others. As a result, the records for this year, by themselves, do not provide a balanced view of ground-water quality statewide. Most methods for collecting and analyzing water samples are described in the TWRIs, which may be accessed from http://water.usgs.gov/pubs/ twri/. Procedures for onsite measurements and for collecting, treating, and shipping samples are given in TWRI, Book 1, Chapter D2; Book 5, Chapters A1, A3, and A4; and Book 9, Chapters A1-A6. Also, detailed information on collecting, treating, and shipping samples may be obtained from the USGS Water Science Center (see address shown on back of title page in this report).

Laboratory Measurements Analysis for sulfide and measurement of alkalinity, pH, water temperature, specific conductance, and dissolved oxygen are performed onsite. All other sample analyses are performed at

37

the USGS laboratory in Lakewood, Colorado, unless otherwise noted. Methods used by the USGS laboratory are given in TWRI, Book 1, Chapter D2 and Book 5, Chapters A1, A3, and A4, which may be accessed from http://water.usgs.gov/ pubs/twri/.

ACCESS TO USGS WATER DATA The USGS provides near real-time stage and discharge data for many of the gaging stations equipped with the necessary telemetry and historic daily mean and peak-flow discharge data for most current or discontinued gaging stations through the World Wide Web (WWW). These data may be accessed from http://water.usgs.gov. Water-quality data and ground-water data also are available through the WWW. In addition, data can be provided in various machine-readable formats on various media. Information about the availability of specific types of data or products, and user charges, can be obtained locally from each USGS Water Science Center. (See address that is shown on the back of the title page of this report.)

WATER RESOURCES DATA FOR SOUTH CAROLINA, 2005

38

81°

82°

Pa

83°

Lake Wylie

c

ole

35°

t

35°

Ri

Greenville

or Ri

ve

ge

Broa d

Ty

ee

Saluda

Lake Keowee

En

ver

C atawb a Riv er

Lake Jocassee

r

r

80°

r

che

ve

Lake Wateree

s

r

79°

De

Lake Greenwood

Pee

Lyn

Ri

Santee River Basin

ve

Anderson

Ri

Lake Hartwell 83°

e

R

Water ee

iv

e

Orangeburg

is t

o

R i v er

ve

W 33°

n a Riv

Ri v

er

80°

Ashley River Basin

Beaufort

er

Stream or shoreline

Cooper River Basin

Charleston

hee

oad

Lake

hl e v er y

Br

EXPLANATION

Broad River Basin

ba

r River

Co

m

Ri

As

r

Combahee River Basin

r

Lake Moultrie ope

r

33°

Ri

79°

Georgetown

Co

i

er

ce

ch

Ed

e

ve

ee ve

Edisto River Basin hat

Riv

nt

O

l

Ri

Sa

er

Sa

ke

Lake Marion r

Ri

Riv

ve

tic

isto

Ri

n

ah

82°

Ed

o

Waccamaw River Basin

tla

rk

w Ri ve r ma R. ca tl e ac L it

A

nn

Fo

r

h

va

Aiken

i st

a re e ver

ve

Ed

ng

k

Ri

rk

ac

Fo

Ri

Co

34°

Bl

rt h

R iver

No

ut

Sa

Florence

Pee Dee River Basin

r

Columbia

Savannah River Basin

So

J. Strom Thurmond Lake

r ve

34°

Ri

Lake Murray

Richard B. Russell Lake

Basin boundary State boundary

0 81°

Base from U.S. Geological Survey 1:2,000,000-scale digital line graphs

0

20 20

40 40

60

60

80 MILES

80 KILOMETERS

ALBERS PROJECTION PARAMETERS: False easting: 0.00; False northing: 0.00; Central meridian: -96.00; First standard parallel: 29.50; Second standard parallel: 45.50; Latitude of origin: 23.00; Datum: North American 1927; Rotation: -8.5

-83°

35°

02177000, 02186645,

34°

-82°

-81°

-80°

02145642 02154790 02154500 , , ,,02155500 ,02153200 02157470 , ,021556525,02153551 , 02162290 02157490 , 02146000 , 02160200 , ,02156050 , , , , 02157510 02160325 , 02153800 02153680 , 02158408 02162500 , 02147020 , 02160326 02164000 , 02160381 , , 02160390 021630967, , , 02164110 02186699 , ,02156500 02163001 ,02147500 ,02165200 , , 02160105 02160700 02163500 ,02165000 , 02167557 , , , South Carolina 021650905 02187910 02167563 02167450 , 02161000 ,02148000 02167000 , , 02192830 , ,, , 02167582 02166501 02168504 , 02192500 , ,02162093, 02148300 02169000 ,, , 02169500 02169570

02196485, 02196484

North Carolina

, 02130561 , 02130900 , 02130910

, 02197000

,

, 02131000 , 02131010 , 02135000 , 02132000 02110500

, , 02110704 02110760, , 02136000 02135200,

,02173500 02173000,

02171500

,

,02174250

, 02173030 ,

, 02171645

02136358, 02171700

, 02172002 , 02172035

, 02197323 , 02197326

33°

, 02197500

, 02175500

,02136361

,

02173051

Georgia

02130980

, 02131500

,02148315

,02172300

,02196000

-79°

02175000

,

021720816

, 02172080 , , 021720812 021720817

, 02176500

02172053 ,021720696

, ,

02172084

Atlantic Ocean ,02198500

02176585

02176576

EXPLANATION ,

32°

Streamflow gage and 02198500 gage number

Base from U.S. Geological Survey 1:2,000,000-scale digital line graphs

, 02176611 ,,

, 02176635 02176575 , 02176720 , ,,

02176711 02176735

0 0

20 20

40 40

60

60

80 Miles

80 Kilometers

ALBERS PROJECTION PARAMETERS: False easting: 0.00; False northing: 0.00; Central meridian: -81.00; First standard parallel: 29.50; Second standard parallel: 45.50; Latitude of origin: 23.00; Datum: North American 1927

WATER RESOURCES DATA FOR SOUTH CAROLINA, 2005

40

-83°

-82°

, 02154950 ,

35°

-81°

-80°

-79°

, 02153051

021556524

North Carolina

, 02153550

, 02156449 , 02187010

South Carolina , 02160991 , 02188100

, 02166500

02160990

02168500

,

34°

02168501

, 02193900

, 02162100 , 02162110 02110777

,

02169672 , 02169625 , ,02169740 , 02169810

02110725

,

02169921 ,

02171000

, 02171001

, 02196999

021108125 , 02110815 , 02136354

,

,

02136370 02172000 , 02172001 ,02171800 02171850 , , 02172020, 02171905 02172050 ,, 02172040

Georgia 33°

021720677 , 021720698 021720869, , , 021720709 021720711 , , 02172100

Atlantic Ocean 02176589

, 02198760

EXPLANATION 32°

,

Stage-only gage and

02176640 gage number

Base from U.S. Geological Survey 1:2,000,000-scale digital line graphs

,, 02176603 , 02176640 0 0

20 20

40 40

60

60

80 Miles

80 Kilometers

ALBERS PROJECTION PARAMETERS: False easting: 0.00; False northing: 0.00; Central meridian: -81.00; First standard parallel: 29.50; Second standard parallel: 45.50; Latitude of origin: 23.00; Datum: North American 1927

-83°

-82°

-81°

-80°

-79°

North Carolina

35°

,

02163001

02156500 02160105 02160700

,

,,

South Carolina

02160991

,

02168500

02110704 02110770 02110777

,

02148315

,

02131221

,

02169000

02110760

, , , ,,

,

02110809 021108125

,

, ,

02135200

02171638 02171639

, ,,

, ,

02168504

,

02167600 02167716

34°

02110755

02110725 02110802

,

02110815

02172040 021720677 021720816

Georgia

,, , , , , , , ,, , , ,, ,

02172020 02172050 02172080 02172053 021720696 021720812 021720698 021720817 02172084 021720709 021720869 021720710 02172100

33°

Atlantic Ocean

, , ,, , , ,

02176585 02176589 02176603 02176611 02176635 02176640 02176720

,

32°

Water-quality gage and

02176735 gage number

Base from U.S. Geological Survey 1:2,000,000-scale digital line graphs

,,,

EXPLANATION

BFT-1810 02176711 02176735

0 0

20 20

40 40

60

60

80 Miles

80 Kilometers

ALBERS PROJECTION PARAMETERS: False easting: 0.00; False northing: 0.00; Central meridian: -81.00; First standard parallel: 29.50; Second standard parallel: 45.50; Latitude of origin: 23.00; Datum: North American 1927

-83°

-82°

-81°

-80°

-79°

North Carolina

35°

T02157510 T02186000 T02164000 T02160381 AND-326 T

T 344446080202600

T 02165200

T02187010

T 343024080130600

T02167557 South T341913081341500

Carolina T 02131500

341256082092000 02188100T 34°

T T

T

02192830

02192500

T 02193900

T 02130980

T 02166501 T340008081501800

T 02135000

T02168504

T335358081331900 T334710081550700

T 02196690 T 02196999

Georgia 33°

T 02197500

Atlantic Ocean

02176576

EXPLANATION T

32°

Precipitation gage and 02176735 gage number

Base from U.S. Geological Survey 1:2,000,000-scale digital line graphs

T T 02176575 T

02176735

0 0

20 20

40 40

60

60

80 Miles

80 Kilometers

ALBERS PROJECTION PARAMETERS: False easting: 0.00; False northing: 0.00; Central meridian: -81.00; First standard parallel: 29.50; Second standard parallel: 45.50; Latitude of origin: 23.00; Datum: North American 1927

-83°

-82°

-81°

, ,

02157500

,

,

,

02186000

,02159785

, 02160325

02164011

, 02187900

,02131472

, 02165350

02132500,

,Carolina South 021476511

, 02187910

,02160800

02166975,

02130970

02148090,

02162093 02167020 , 02169568 , , , 02148300 ,, 02168780-02168995 02169505

,02195660 ,02172300 ,02196689

, ,02130800

02131500

,02167750

,02192500 ,02195555 ,021957495

34°

North Carolina

,021467801 ,02153800 ,021473428 02153840 , ,021563931 , ,02131250 ,021563973 021471900 , 02160000 021456499

35°

,

-79°

02145642

,

02162350

02185200

-80°

,02172640 ,

02172759

,

02131110 02131130 ,,

, 02135300

,02135518 ,021355013

,02132100

,02136010 ,02173491

02173495

,

,02171660

02169960

,02175185

Georgia 33°

,02171730

, 021720725

,02174000 ,02176380 ,021765113

Atlantic Ocean

EXPLANATION 32°

02176380

Crest-stage gage and gage number

Base from U.S. Geological Survey 1:2,000,000-scale digital line graphs

0 0

20 20

40 40

60

60

80 Miles

80 Kilometers

ALBERS PROJECTION PARAMETERS: False easting: 0.00; False northing: 0.00; Central meridian: -81.00; First standard parallel: 29.50; Second standard parallel: 45.50; Latitude of origin: 23.00; Datum: North American 1927

-83°

-82°

-81°

-80°

-79°

CRK-74

B

North Carolina

Cherokee

35° Spartanburg

OC-233 Pickens

SP-1581

Greenville

B

York

B

Oconee

CTR-21

B

Union

AND-326

B

Lancaster

Chester

MLB-112

B

Chesterfield

Marlboro

Anderson

BMLB-110

Laurens Fairfield

Dillon

Kershaw

Darlington

Newberry

FLO-128

Abbeville

BFLO-85

Lee

South Carolina

Greenwood

Richland

34°

Saluda McCormick

B MCK-52 Edgefield

B

Marion

Florence

RIC-346 RIC-345 Lexington RIC-705 Sumter RIC-341 RIC-702 RIC-342 RIC-343 RIC-703 RIC-701BBB BB RIC-699B BRIC-700 RIC-704

Calhoun

Horry

Clarendon

Williamsburg

Aiken Georgetown

Orangeburg

AK-430

B

Berkeley

Barnwell

BBRK-431

Bamberg

Georgia 33°

Dorchester

CHN-101

B

Allendale Colleton

CHN-14

B

Hampton

HAM-83

Charleston

B

Atlantic Ocean

Jasper Beaufort

EXPLANATION

B

32°

Ground-water observation BFT-1810 well and well number

Base from U.S. Geological Survey 1:2,000,000-scale digital line graphs

B

BFT-1810

0 0

20 20

40 40

60

60

80 Miles

80 Kilometers

ALBERS PROJECTION PARAMETERS: False easting: 0.00; False northing: 0.00; Central meridian: -81.00; First standard parallel: 29.50; Second standard parallel: 45.50; Latitude of origin: 23.00; Datum: North American 1927

SURFACE WATER RECORDS

46

WACCAMAW RIVER BASIN 02110500 WACCAMAW RIVER NEAR LONGS, SC

LOCATION.--Lat 33°54'45'', long 78°42'55'', Horry County, Hydrologic Unit 03040206, on the upstream side of the upstream bridge on State Highway 9, 500 ft downstream from Buck Creek, 2.1 mi southeast of Longs, and at mile 85.4. DRAINAGE AREA.--1,110 mi2, approximately. PERIOD OF RECORD.--March 1950 to current year. GAGE.--Data collection platform. Datum of gage is 5.28 ft above NGVD of 1929 (levels by Corps of Engineers). Prior to Aug. 11, 1967, nonrecording gage at same site and datum. REMARKS.--No estimated daily discharges. Records fair. Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

1880 2100 2030 2180 2200

283 260 241 224 208

416 447 475 501 523

650 683 713 737 749

675 653 651 698 707

688 700 722 751 785

1920 1980 2070 2030 1960

268 231 198 173 157

664 668 665 845 1050

223 235 311 605 980

740 655 573 478 383

556 552 543 518 475

6 7 8 9 10

2130 2000 1830 1660 1500

193 179 167 157 147

544 565 582 593 608

750 739 723 701 679

706 709 715 725 743

816 841 862 873 882

1880 1820 1840 1860 1820

268 480 589 673 735

1100 1230 1400 1630 1770

806 632 615 583 503

322 415 420 482 629

414 345 280 226 185

11 12 13 14 15

1410 1320 1230 1140 1070

141 140 154 152 150

621 626 628 628 623

655 636 618 649 711

749 749 742 731 715

888 889 886 873 853

1740 1640 1550 1490 1450

773 786 774 743 689

1820 1780 1710 1590 1480

428 372 336 361 347

577 510 438 381 318

147 120 116 422 1110

16 17 18 19 20

1000 931 859 805 752

153 156 159 157 155

616 606 594 580 564

697 704 723 752 784

695 669 640 614 590

867 993 996 983 975

1400 1330 1250 1160 1080

623 561 494 429 396

1400 1300 1190 1070 949

324 315 322 335 334

263 239 238 254 232

1200 1370 1470 1510 1460

21 22 23 24 25

697 650 605 563 521

149 145 151 164 171

545 525 506 484 458

809 825 833 825 812

570 559 538 525 531

971 973 1060 1100 1100

1000 922 839 757 672

428 442 441 444 469

814 676 545 423 332

357 419 382 338 289

197 175 283 586 818

1410 1350 1300 1250 1190

26 27 28 29 30 31

478 437 401 368 337 309

181 196 269 340 377 ---

476 543 555 567 588 616

792 764 729 699 701 697

522 519 621 -------

1090 1120 1400 1680 1780 1890

592 513 435 367 309 ---

503 550 602 645 667 676

274 228 202 227 248 ---

241 196 159 132 115 342

763 728 693 646 597 567

1140 1090 1040 979 925 ---

35393 1142 2200 309 1.03 1.19

5719 191 377 140 0.17 0.19

17203 555 628 416 0.50 0.58

22539 727 833 618 0.66 0.76

18261 652 749 519 0.59 0.61

31287 1009 1890 688 0.91 1.05

39676 1323 2070 309 1.19 1.33

15907 513 786 157 0.46 0.53

29280 976 1820 202 0.88 0.98

11937 385 980 115 0.35 0.40

14600 471 818 175 0.42 0.49

24693 823 1510 116 0.74 0.83

555 2422 1969 14.8 2002

778 6191 1961 13.2 1952

1104 5643 1981 14.5 1954

1408 11810 1999 3.70 1954

TOTAL MEAN MAX MIN CFSM IN.

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1950 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

1009 10080 2000 5.13 1984

629 3096 2000 6.20 1984

780 2780 1995 16.7 2002

1715 6330 1993 65.3 2002

2281 9142 1998 260 1989

2481 7748 1983 363 1955

1717 5072 1958 186 2002

682 5441 1999 28.6 2002

47

WACCAMAW RIVER BASIN 02110500 WACCAMAW RIVER NEAR LONGS, SC--Continued SUMMARY STATISTICS

FOR 2004 CALENDAR YEAR

ANNUAL TOTAL ANNUAL MEAN HIGHEST ANNUAL MEAN LOWEST ANNUAL MEAN HIGHEST DAILY MEAN LOWEST DAILY MEAN ANNUAL SEVEN-DAY MINIMUM MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE INSTANTANEOUS LOW FLOW ANNUAL RUNOFF (CFSM) ANNUAL RUNOFF (INCHES) 10 PERCENT EXCEEDS 50 PERCENT EXCEEDS 90 PERCENT EXCEEDS

FOR 2005 WATER YEAR

448226 1225

WATER YEARS 1950 - 2005

266495 730

6100 26 29

Aug 21 Jul 6 Jul 1

2200 115 148 2220 9.81 110 0.658 8.93 1460 636 206

1.10 15.02 3660 581 56

1257 2457 172 28100 1.0 2.0 28200 17.94 1.0 1.13 15.38 3100 702 54

Oct 5 Jul 30 Nov 10 Oct 5 Oct 5 Sep 13

Sep Oct Sep Sep Sep Oct

23 14 7 22 22 14

1999 2002 1999 1954 1954 1999 1999 1954

10,000

DISCHARGE, IN CUBIC FEET PER SECOND

5000

2000

1000

500

200

100

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

48

WACCAMAW RIVER BASIN 02110704 WACCAMAW RIVER AT CONWAY MARINA AT CONWAY, SC

LOCATION.--Lat 33°49'55'', long 79°02'28'', Horry County, Hydrologic Unit 03040206, on bulkhead of State Highway 501 Business bridge at Conway. DRAINAGE AREA.--Indeterminate. WATER-DISCHARGE RECORDS PERIOD OF RECORD.--October 1994 to current year. GAGE.--Data collection platform and Acoustic Velocity Meter. Datum of gage is 5.06 ft below NGVD of 1929. Prior to Oct. 5, 1999, at site 1,000 ft downstream, at same datum. REMARKS.--Records good. This site is strongly affected by astronomical tides. The astromomical tides occur at primary harmonic periods of 12.42 hours for semi-diurnal tides and 24.84 hours for diurnal tides. Previously published 24-hour daily mean discharge for this site may have been affected by aliasing due to tides and, thus, may contain spurious fluctuations or oscillations that were not indicative of net downstream discharge. Daily mean discharges published for water years 1995-2001. EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 24,100 ft3/s, Sep. 25-27, 1999, maximum gage height, 17.64 ft, Sep. 25-27, 1999; minimum discharge, -1,910 ft3/s, Dec. 30, 2001, minimum gage height, 4.15 ft, Aug. 27, 1998. EXTREMES FOR CURRENT YEAR.--Maximum discharge, 3,380 ft3/s, Oct. 1, maximum gage height, 9.65 ft, Oct. 1; minimum discharge, -1,430 ft3/s, Nov. 26; minimum gage height, 5.49 ft, Dec. 12. Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

1 2 3 4 5

3380 3190 3110 3320 3130

2730 2700 2710 2830 2710

1650 1750 1650 1590 1730

-1270 -1200 -1150 -1190 -1400

1750 1640 1700 1730 1670

-806 -1110 -912 -828 -969

1850 1820 1830 1830 1810

-840 -808 -729 -797 -843

1770 1660 1610 1740 1850

116 60 139 415 354

2200 2200 1870 1910 1940

1210 37 -424 -486 -428

6 7 8 9 10

3080 2960 2850 2600 2460

2600 2550 2330 2290 2170

1570 1570 1490 1540 1700

-1170 -1220 -1350 -1220 -1180

1620 1650 1810 1840 1920

-1020 -1030 -946 -1090 -1010

1760 1850 1970 2060 1830

-976 -949 -779 -537 -340

1530 1590 1600 1510 1640

395 437 358 280 515

2010 2000 2120 2000 2080

-822 -545 -324 -629 96

11 12 13 14 15

2330 2120 2000 2030 1960

1990 1760 1500 1580 1390

1640 1770 1700 1650 1690

-1160 -1170 -1060 -1270 -1110

1870 1740 1840 1810 1750

-1000 -1280 -1110 -1270 -1110

2030 2040 1860 2110 2080

-472 -649 -897 -453 -164

1910 2040 1850 1870 1880

192 212 269 115 -291

1980 1960 1970 1940 1970

231 -275 -559 -363 -295

16 17 18 19 20

1970 2090 2050 2080 2010

1390 995 592 443 40

1670 1690 1650 1590 1610

-1030 -1130 -1210 -1160 -1160

1810 1840 1810 1760 1830

-789 -672 -520 -502 -1120

2090 ----1790 1860

59 -----146 -35

1910 1790 1810 1780 1660

-783 -654 -794 -1010 -1010

1930 1860 2040 1940 2110

-73 938 1050 882 971

21 22 23 24 25

1940 1640 1350 1300 1230

40 121 123 123 143

1640 1630 1690 1800 1770

-1160 -1250 -1010 -993 -955

1680 1740 1700 1810 1650

-1100 -867 -974 -942 -855

1880 1670 ----1790

-35 193 ----58

1730 1720 1880 1880 2100

-1070 -1010 -865 -601 -278

2260 2190 1920 2260 2050

507 576 688 745 745

26 27 28 29 30 31

1280 1370 1520 1620 1720 1780

63 101 -96 -231 -357 -828

1640 1670 1810 1710 1690 ---

-1430 -1250 -734 -1130 -901 ---

1730 1820 --1860 1760 1860

-369 -221 ---445 -751 -806

1650 1750 1680 1780 1660 1710

174 210 195 155 178 192

1780 1680 1660 -------

-204 98 341 -------

1850 1910 2170 2710 2820 2810

829 980 1230 2070 1940 2010

MONTH

3380

-828

1810

-1430

---

---

---

---

2100

-1070

2820

-822

OCTOBER

MAX

MIN

NOVEMBER

MAX

MIN

DECEMBER

MAX

MIN

JANUARY

MAX

MIN

FEBRUARY

MAX

MIN

MARCH

49

WACCAMAW RIVER BASIN 02110704 WACCAMAW RIVER AT CONWAY MARINA AT CONWAY, SC--Continued Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

1 2 3 4 5

2730 2730 3150 2920 2690

2010 1890 2260 1940 1970

6 7 8 9 10

2760 2670 2670 2600 2440

11 12 13 14 15

MAX

MIN

MAX

MIN

MAX

MIN

MAX

1830 1740 1710 1780 1650

-1070 -1180 -1020 -813 -707

1910 1940 2180 2160 2340

-54 352 -17 235 1160

2000 1950 1890 2210 2210

-991 -991 -703 117 642

2310 2540 2320 2240 1950

-199 559 756 21 -425

2050 1890 1900 1830 1770

-586 -553 -616 -557 -369

2010 2070 2070 1980 1850

1690 1790 1780 2040 1990

-988 -1000 -701 -577 -481

2340 2380 2330 2250 2390

1400 1380 1190 980 1110

2320 2130 -------

436 114 -------

1850 1830 1780 2130 2330

-425 -557 -224 470 922

1510 1460 1700 1780 1560

-93 -37 -171 -396 -643

2310 2270 2430 2290 2270

1780 1900 1830 1860 1790

1970 2050 -------

-519 -582 -------

2400 2330 2490 2590 2730

1050 1110 1150 1320 1020

----1720 1690 ---

-----978 -987 ---

2370 2320 2110 1980 2090

1040 894 77 -405 -865

1640 1650 1450 1880 2160

-889 -912 -610 -470 -34

16 17 18 19 20

2240 2140 2100 2560 2390

1740 1540 1560 1160 814

------1820 1850

-------872 -925

2690 2520 2450 2370 2190

843 785 740 719 604

1890 1810 1900 1960 1990

-1160 -1110 -996 -1190 -1310

1940 1880 1840 2030 1960

-1080 -897 -453 -340 -340

2430 2270 2240 2340 2360

461 896 1000 1110 1230

21 22 23 24 25

2350 2250 2110 2110 2080

376 346 265 -180 -309

1830 1740 1880 1870 1800

-1110 -763 -1080 -1040 -688

2120 2120 1980 1930 ---

287 -180 -463 -899 ---

1900 2160 1910 2020 2040

-1210 -839 -830 -810 -431

1790 1710 1620 1890 1980

-434 -475 -438 -55 919

2520 2360 2550 2320 2270

1090 1010 860 714 652

26 27 28 29 30 31

1910 1910 1880 1800 1800 ---

-463 -735 -779 -883 -978 ---

1760 1840 1900 1930 1760 1870

-485 -450 -539 -713 -739 -387

-------------

-------------

2160 2150 1940 1670 1600 1680

-861 -1040 -1180 -1280 -1280 -1020

2070 2040 2080 2220 1860 2250

1250 1160 947 627 489 -128

2020 2200 2190 2090 2090 ---

719 343 408 344 191 ---

MONTH

3150

-978

---

---

---

---

---

---

2540

-1080

2550

-912

APRIL

MAY

JUNE

JULY

MIN

AUGUST

MAX

MIN

SEPTEMBER

50

WACCAMAW RIVER BASIN 02110704 WACCAMAW RIVER AT CONWAY MARINA AT CONWAY, SC--Continued WATER-QUALITY RECORDS

PERIOD OF RECORD.--Water years 1991 to current year. PERIOD OF DAILY RECORD.-TEMPERATURE: October 1991 to current year. DISSOLVED OXYGEN: October 1990 to current year. INSTRUMENTATION.--Water-quality multiprobe and data collection platform. REMARKS.--Temperature records rated excellent except for Jan. 12-26, which are good. Dissolved oxygen records rated excellent except for Oct. 4-10, May 22, 23, July 5-8, which are good, Oct. 11-13, July 9-11, which are fair, and July 12, which are poor. The water-quality probes could not be accessed during the flooding in September 1996. A dissolved-oxygen concentration 0f 1.0 mg/l was measured on Sept. 16, 1996, Oct. 7, 8, 1999, it may have been lower during the period of missing record. EXTREMES FOR PERIOD OF DAILY RECORD.-WATER TEMPERATURE: Maximum, 34.0°C, Jun. 24, 25, 1996; minimum, 2.5°C, Jan. 28-30, 2000, Jan. 3-6, 2001. DISSOLVED OXYGEN: Maximum, 13.9 mg/L, Jan. 6, 2001; minimum recorded, 1.0 mg/L, Sep. 16, 1996, Oct. 7, 8, 1999. EXTREMES FOR CURRENT YEAR.-WATER TEMPERATURE: Maximum, 32.5°C, July 28; minimum, 4.6°C, Jan. 29. DISSOLVED OXYGEN: Maximum, 11.3 mg/L, Jan. 29, 30; minimum 1.8 mg/L, Oct. 1. Temperature, water, degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

MEAN

MAX

OCTOBER

MIN

MEAN

MAX

NOVEMBER

MIN

MEAN

MAX

DECEMBER

MIN

MEAN

JANUARY

1 2 3 4 5

23.7 23.8 23.9 23.8 23.4

23.2 23.4 23.5 23.4 22.9

23.5 23.6 23.7 23.6 23.1

20.4 21.0 21.1 22.0 21.1

18.9 19.4 19.9 20.4 20.3

19.4 19.9 20.2 20.8 20.6

13.8 13.6 13.1 12.4 12.1

11.6 12.3 12.4 11.6 10.8

13.4 13.2 12.7 12.1 11.7

6.7 7.5 8.3 9.2 9.8

6.0 6.6 7.4 8.3 9.0

6.3 6.9 7.8 8.7 9.4

6 7 8 9 10

22.9 22.2 21.3 20.7 20.6

22.2 21.3 20.6 20.3 20.2

22.6 21.8 20.9 20.5 20.4

20.6 19.7 19.6 19.6 18.6

19.7 19.0 18.7 18.1 17.2

19.9 19.3 19.0 18.6 17.6

11.9 12.6 13.0 13.3 14.1

11.5 11.7 12.4 12.8 13.3

11.7 12.1 12.7 13.0 13.8

10.6 11.4 12.2 12.8 13.3

9.6 10.5 11.3 12.1 12.8

10.1 10.9 11.7 12.5 12.9

11 12 13 14 15

20.7 20.5 20.8 20.6 20.5

20.2 20.2 20.2 20.2 20.0

20.5 20.4 20.5 20.4 20.3

17.4 17.6 16.9 15.9 15.0

16.6 16.4 15.9 15.0 14.0

16.9 16.8 16.4 15.5 14.7

14.2 13.9 13.5 12.9 11.7

13.7 13.4 12.9 11.7 10.6

14.0 13.6 13.3 12.4 11.2

13.6 13.8 14.4 14.8 14.5

13.2 13.4 13.8 14.4 13.4

13.4 13.6 14.0 14.6 13.8

16 17 18 19 20

20.0 19.4 19.2 19.6 20.0

19.3 18.9 18.8 19.1 19.6

19.5 19.2 19.1 19.4 19.8

14.4 14.2 14.2 14.5 14.7

12.8 12.4 11.9 11.9 12.6

13.9 13.3 13.2 13.4 13.8

10.6 9.8 9.5 9.3 8.8

9.7 9.5 9.2 8.8 7.4

10.2 9.6 9.4 9.0 8.0

13.4 --11.1 9.7 8.3

12.4 --7.3 6.3 6.1

12.9 --10.0 8.4 7.3

21 22 23 24 25

20.2 20.5 20.3 20.0 19.6

19.9 20.0 19.9 19.6 19.2

20.1 20.2 20.1 19.8 19.5

15.4 15.9 16.1 15.9 16.1

13.2 14.5 14.9 15.1 15.5

14.3 15.0 15.3 15.4 15.7

7.4 7.4 8.1 8.1 7.7

7.0 6.8 7.2 7.6 7.1

7.3 7.1 7.7 7.9 7.3

7.4 7.1 7.1 6.2 6.2

6.5 6.5 6.1 5.8 5.7

6.9 6.8 6.6 6.0 5.9

26 27 28 29 30 31

19.2 18.8 18.4 18.2 18.4 19.2

18.8 18.4 18.2 17.9 17.8 18.2

19.0 18.5 18.3 18.0 18.0 18.7

15.5 14.7 14.6 14.1 13.9 ---

14.7 14.2 13.0 13.3 11.8 ---

15.1 14.5 14.3 14.0 13.4 ---

7.1 6.4 6.0 5.6 5.7 6.0

6.4 5.8 5.3 4.7 5.0 5.4

6.7 6.0 5.6 5.4 5.4 5.6

6.2 6.1 5.6 5.0 5.2 5.6

5.7 5.6 5.0 4.6 4.8 5.1

6.0 5.9 5.2 4.7 5.0 5.3

MONTH

23.9

17.8

20.4

22.0

11.8

16.3

14.2

4.7

10.0

---

---

---

51

WACCAMAW RIVER BASIN 02110704 WACCAMAW RIVER AT CONWAY MARINA AT CONWAY, SC--Continued Temperature, water, degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

5.7 5.7 5.9 6.4 6.9

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

MIN

5.4 5.4 5.7 5.9 6.3

5.6 5.6 5.8 6.1 6.6

10.8 10.3 9.7 10.0 10.3

10.0 8.8 8.3 8.4 9.2

10.5 9.7 9.4 9.4 9.8

18.2 18.5 17.9 17.6 17.7

17.8 17.9 17.3 16.9 17.1

18.0 18.2 17.5 17.3 17.4

20.2 20.6 20.9 21.1 20.9

19.3 19.6 19.8 20.1 19.9

19.7 20.2 20.3 20.6 20.4

7.3 7.8 8.4 9.2 9.8

6.6 7.1 7.7 8.4 9.1

6.9 7.4 7.9 8.6 9.5

10.8 11.3 11.9 11.5 11.7

10.0 10.3 11.1 11.2 10.9

10.3 10.8 11.5 11.4 11.2

18.0 18.5 19.2 19.1 19.0

17.4 18.0 18.4 18.9 18.4

17.7 18.3 18.8 19.0 18.7

19.9 19.8 20.8 20.8 21.2

19.1 18.7 19.2 19.9 20.3

19.4 19.1 19.7 20.4 20.7

11 12 13 14 15

9.7 9.6 9.7 9.9 10.4

9.2 9.1 9.2 9.4 9.7

9.4 9.4 9.4 9.6 10.0

11.6 11.7 12.3 12.4 13.0

11.1 10.9 11.4 12.1 11.9

11.3 11.3 11.8 12.3 12.5

18.8 18.3 17.6 17.0 16.2

18.1 17.6 17.0 16.2 15.6

18.4 18.0 17.4 16.6 15.9

21.6 22.5 22.4 22.7 23.1

21.0 21.2 21.9 22.0 22.2

21.2 21.6 22.2 22.3 22.6

16 17 18 19 20

11.2 11.8 11.9 11.8 11.7

10.2 11.2 11.2 11.2 11.2

10.6 11.5 11.6 11.5 11.4

12.8 12.0 10.9 10.5 11.2

12.0 10.4 9.6 10.0 10.0

12.6 11.1 10.4 10.2 10.5

15.6 15.1 15.1 15.7 16.7

14.8 14.4 14.1 14.6 15.3

15.2 14.8 14.6 15.1 16.0

-----------

-----------

-----------

21 22 23 24 25

11.6 12.0 12.8 12.6 12.4

11.1 11.2 11.9 12.3 12.1

11.4 11.6 12.3 12.5 12.2

12.1 13.3 14.8 16.0 16.5

11.1 12.0 13.3 14.7 15.7

11.6 12.6 14.0 15.2 16.0

17.7 18.7 18.9 18.7 18.3

16.2 17.2 18.3 18.0 17.7

16.9 17.9 18.6 18.3 18.0

23.1 22.7 23.2 23.3 22.9

22.4 21.7 22.2 22.6 22.2

22.6 22.2 22.5 22.9 22.4

26 27 28 29 30 31

12.4 11.9 11.3 -------

10.5 9.6 9.2 -------

11.7 11.1 9.9 -------

17.2 17.2 17.4 17.4 17.8 18.1

16.3 16.8 17.0 16.5 17.1 17.7

16.6 17.0 17.2 17.0 17.5 17.9

18.1 18.7 18.7 19.0 19.4 ---

17.8 17.8 18.1 18.3 18.7 ---

17.9 18.2 18.3 18.6 19.1 ---

22.6 23.2 23.4 24.1 23.9 23.1

21.9 22.0 22.6 23.1 23.1 22.8

22.2 22.5 23.0 23.6 23.5 22.9

MONTH

12.8

5.4

9.5

18.1

8.3

12.6

19.4

14.1

17.5

---

---

---

MAX

MIN

MEAN

Temperature, water, degrees Celsius MAX MIN MEAN MAX MIN

MEAN

MAX

MIN

MEAN

FEBRUARY

DAY

MIN MARCH

JUNE

MIN APRIL

JULY

MEAN

MAY

AUGUST

SEPTEMBER

1 2 3 4 5

22.8 22.6 22.3 22.4 23.4

22.4 22.1 21.9 21.9 22.4

22.6 22.3 22.1 22.2 22.8

28.3 28.8 28.8 28.4 28.7

26.4 27.3 28.0 28.0 27.8

27.3 28.1 28.4 28.1 28.1

30.4 28.4 27.5 27.3 27.4

25.2 25.1 25.7 25.7 26.1

28.2 26.7 26.5 26.6 26.9

28.6 28.6 28.6 28.3 28.0

27.8 28.0 27.8 27.8 27.5

28.1 28.2 28.1 28.0 27.7

6 7 8 9 10

24.4 25.2 25.6 25.9 26.2

23.2 24.0 24.7 25.1 25.5

23.8 24.6 25.2 25.5 25.9

28.9 29.6 29.4 29.0 29.3

27.8 28.6 28.6 28.6 28.4

28.5 28.9 28.9 28.8 28.8

27.4 27.5 27.4 27.7 27.6

26.5 25.8 26.1 26.6 26.5

27.1 26.9 27.1 27.2 27.0

27.5 27.1 26.8 26.8 26.7

27.1 26.6 26.4 26.4 26.0

27.3 26.8 26.6 26.7 26.3

11 12 13 14 15

26.2 26.2 26.3 26.7 27.4

25.6 25.7 25.6 25.9 26.2

25.9 25.9 25.9 26.3 26.8

29.1 29.5 29.6 29.3 29.5

28.6 28.5 28.9 28.9 28.7

28.8 28.9 29.2 29.1 29.0

26.7 26.8 27.1 27.1 28.0

26.2 26.1 26.2 26.4 26.4

26.4 26.5 26.6 26.9 27.4

26.0 25.4 25.4 25.1 25.2

25.4 24.9 25.1 24.7 24.4

25.6 25.2 25.2 24.9 24.8

16 17 18 19 20

27.8 27.6 27.2 26.8 26.3

26.9 27.1 26.7 26.2 25.7

27.4 27.3 27.0 26.5 25.9

30.1 30.6 30.6 30.1 30.8

28.2 28.2 28.7 28.0 28.2

29.4 29.6 29.7 29.4 29.9

29.0 29.0 28.4 28.7 29.4

27.2 28.2 27.5 26.9 27.4

28.2 28.5 28.1 28.0 28.5

25.4 25.7 26.1 26.5 26.6

24.6 25.0 25.5 25.9 26.0

25.0 25.4 25.8 26.1 26.3

21 22 23 24 25

25.8 25.9 26.5 27.5 26.2

25.2 25.1 25.5 25.8 25.9

25.5 25.5 25.9 26.3 26.0

31.0 30.6 31.0 30.7 30.4

29.6 27.3 29.0 28.5 26.8

30.5 29.6 30.2 30.2 28.7

30.1 30.1 30.1 29.8 29.8

28.4 29.3 29.4 29.0 27.6

29.3 29.8 29.8 29.6 28.8

26.7 26.7 26.4 26.5 26.3

26.1 26.2 26.0 25.9 25.9

26.4 26.4 26.2 26.2 26.1

26 27 28 29 30 31

26.9 27.1 27.3 27.0 27.5 ---

25.9 26.2 26.7 26.2 26.6 ---

26.3 26.7 26.9 26.8 27.0 ---

30.7 31.8 32.5 32.2 31.8 31.6

27.3 28.9 30.2 31.1 31.1 30.4

29.4 30.7 31.5 31.7 31.3 30.7

28.4 27.0 26.6 27.1 27.6 28.1

26.8 26.1 26.0 26.2 26.8 27.4

27.6 26.5 26.3 26.6 27.1 27.7

26.3 26.2 26.2 26.1 26.1 ---

25.7 25.8 25.6 25.5 25.5 ---

26.1 26.0 25.9 25.9 25.7 ---

MONTH

27.8

21.9

25.5

32.5

26.4

29.4

30.4

25.1

27.6

28.6

24.4

26.3

52

WACCAMAW RIVER BASIN 02110704 WACCAMAW RIVER AT CONWAY MARINA AT CONWAY, SC--Continued Dissolved oxygen, water, unfiltered, milligrams per liter WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

2.2 2.2 2.5 2.6 2.6

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

1.8 2.0 2.1 2.3 2.4

2.0 2.1 2.3 2.4 2.5

4.6 4.6 4.5 4.6 4.8

4.2 4.2 4.2 4.0 4.1

4.4 4.4 4.3 4.3 4.3

7.1 7.2 7.3 7.6 7.8

6.6 6.7 6.9 7.3 7.5

6.8 6.9 7.1 7.4 7.6

10.5 10.4 10.1 9.8 9.7

10.3 10.0 9.7 9.6 9.5

10.4 10.3 10.0 9.7 9.6

2.9 3.2 3.6 3.8 4.0

2.6 2.9 3.2 3.6 3.8

2.7 3.1 3.4 3.7 3.8

4.9 4.8 5.0 5.5 5.8

4.2 4.1 4.2 4.3 4.6

4.4 4.3 4.3 4.7 5.0

7.7 7.8 7.8 7.8 7.7

7.6 7.6 7.6 7.7 7.5

7.6 7.7 7.7 7.7 7.6

9.6 9.3 8.9 8.6 8.2

9.2 8.9 8.5 8.1 7.7

9.4 9.1 8.8 8.3 8.0

11 12 13 14 15

4.0 4.0 4.0 4.1 4.2

3.9 3.8 3.9 3.8 3.8

4.0 3.9 4.0 4.0 4.0

5.9 5.7 5.4 6.1 6.1

4.8 4.9 4.9 5.1 5.2

5.1 5.1 5.1 5.4 5.6

7.6 7.6 7.5 7.6 7.8

7.3 7.2 7.0 7.2 7.6

7.5 7.4 7.3 7.4 7.7

7.8 7.7 7.6 7.6 7.7

7.3 7.0 6.9 7.1 7.3

7.5 7.4 7.3 7.4 7.5

16 17 18 19 20

4.1 4.2 4.3 4.4 4.5

4.0 3.9 4.0 4.2 4.2

4.1 4.1 4.1 4.3 4.4

6.1 6.4 6.5 6.7 6.7

5.6 5.7 6.1 6.2 6.3

5.8 6.1 6.2 6.3 6.4

7.9 8.1 8.2 8.4 ---

7.7 7.9 8.1 8.2 ---

7.8 8.0 8.2 8.3 ---

7.8 ----9.4 9.8

7.2 ----8.2 8.6

7.6 ----8.6 9.1

21 22 23 24 25

4.5 4.4 4.3 4.2 4.2

4.3 4.1 4.1 4.1 3.8

4.3 4.2 4.2 4.2 4.1

6.7 6.6 6.5 6.3 6.3

6.3 6.3 6.2 6.1 5.9

6.4 6.4 6.3 6.2 6.1

9.2 9.3 9.3 9.4 9.7

9.0 9.1 9.2 9.2 9.4

9.1 9.2 9.2 9.3 9.5

9.8 10.1 --10.7 10.8

9.3 9.7 --10.6 10.7

9.6 9.9 --10.7 10.7

26 27 28 29 30 31

4.2 4.3 4.4 4.5 4.5 4.5

4.0 4.0 3.9 4.1 3.9 3.9

4.1 4.2 4.2 4.3 4.3 4.3

6.5 6.5 6.7 6.8 6.8 ---

6.1 6.1 5.6 6.3 6.3 ---

6.3 6.3 6.3 6.5 6.5 ---

9.9 ----10.2 10.5 10.6

9.6 ----10.0 10.2 10.4

9.8 ----10.1 10.3 10.5

10.8 10.8 11.2 11.3 11.3 11.1

10.6 10.6 10.8 11.0 10.9 10.8

10.7 10.8 11.1 11.2 11.2 11.0

MONTH

4.5

1.8

3.7

6.8

4.0

5.5

---

---

---

---

---

---

DAY

MAX

MIN

MAX

MIN

MEAN

OCTOBER

MIN NOVEMBER

MIN DECEMBER

MARCH

MEAN

JANUARY

Dissolved oxygen, water, unfiltered, milligrams per liter MEAN MAX MIN MEAN MAX MIN MEAN

FEBRUARY

MIN

APRIL

MAY

1 2 3 4 5

11.1 11.2 11.2 11.0 10.9

10.9 11.0 10.8 10.7 10.5

11.0 11.1 11.1 10.9 10.7

9.0 9.2 9.8 9.8 9.4

8.5 8.9 9.2 9.2 9.2

8.6 9.1 9.2 9.3 9.3

5.3 5.4 5.3 5.3 5.2

5.1 5.1 5.2 5.0 5.0

5.2 5.2 5.2 5.1 5.1

5.7 5.6 5.3 5.3 5.3

5.5 5.3 5.1 5.0 5.0

5.6 5.5 5.3 5.1 5.1

6 7 8 9 10

10.8 10.6 10.5 10.3 10.1

10.4 10.2 10.0 9.9 9.6

10.6 10.4 10.3 10.1 9.9

9.4 9.3 9.3 9.3 9.2

9.2 9.2 9.2 8.9 8.7

9.3 9.3 9.3 9.1 8.9

5.2 5.2 5.0 4.7 4.5

5.1 5.0 4.7 4.4 4.4

5.1 5.0 4.8 4.5 4.4

5.4 5.7 5.5 5.2 5.4

5.2 5.1 4.9 4.8 5.0

5.3 5.4 5.2 5.0 5.2

11 12 13 14 15

9.8 9.8 9.6 9.4 9.4

9.4 9.2 9.2 9.2 9.2

9.6 9.6 9.4 9.3 9.3

8.9 8.9 8.9 8.9 8.7

8.7 8.8 8.8 8.6 8.3

8.8 8.8 8.9 8.8 8.6

4.6 4.8 4.9 5.0 5.3

4.5 4.6 4.8 4.8 4.9

4.5 4.7 4.8 4.9 5.1

5.8 5.7 5.5 5.4 5.3

5.1 5.4 5.2 5.1 5.1

5.4 5.6 5.4 5.3 5.2

16 17 18 19 20

9.4 9.2 9.0 8.8 8.8

9.2 9.0 8.8 8.6 8.6

9.3 9.1 8.9 8.8 8.7

8.5 8.6 8.8 8.8 8.8

8.2 8.3 8.4 8.7 8.7

8.4 8.4 8.6 8.8 8.8

5.7 6.1 6.2 6.3 6.8

5.3 5.7 6.1 6.1 6.1

5.5 5.9 6.1 6.2 6.4

-----------

-----------

-----------

21 22 23 24 25

8.8 8.8 8.8 8.7 8.5

8.6 8.6 8.6 8.4 8.0

8.7 8.8 8.7 8.6 8.3

8.8 8.6 8.4 7.9 7.5

8.5 8.3 7.8 7.3 7.0

8.6 8.4 8.1 7.6 7.3

6.6 6.3 6.0 6.0 6.0

6.2 6.0 5.8 5.8 5.7

6.4 6.1 6.0 5.9 5.9

5.0 5.2 5.1 5.1 5.0

4.7 4.7 4.8 4.8 4.8

4.8 4.9 4.9 4.9 4.9

26 27 28 29 30 31

8.3 8.5 9.0 -------

7.6 8.0 8.4 -------

8.0 8.2 8.8 -------

7.1 6.7 6.5 6.3 6.2 5.8

6.6 6.4 6.3 6.1 5.8 5.3

6.9 6.6 6.4 6.2 6.0 5.5

5.9 5.8 5.8 5.8 5.7 ---

5.6 5.5 5.6 5.6 5.5 ---

5.7 5.7 5.7 5.7 5.7 ---

-------------

-------------

-------------

MONTH

11.2

7.6

9.5

9.8

5.3

8.3

6.8

4.4

5.4

---

---

---

53

WACCAMAW RIVER BASIN 02110704 WACCAMAW RIVER AT CONWAY MARINA AT CONWAY, SC--Continued Dissolved oxygen, water, unfiltered, milligrams per liter WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

5.6 5.6 5.6 5.8 5.4

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

5.4 5.5 5.3 5.3 5.3

5.5 5.5 5.4 5.5 5.3

3.6 3.5 3.6 3.7 4.0

3.0 3.0 3.0 3.1 3.6

3.3 3.2 3.2 3.4 3.8

3.8 4.7 4.7 4.6 4.4

3.4 3.7 4.4 4.1 3.9

3.6 4.2 4.6 4.4 4.1

3.8 3.7 3.7 3.8 4.0

3.6 3.4 3.4 3.4 3.5

3.7 3.6 3.5 3.6 3.8

5.3 4.7 4.4 4.4 4.4

4.7 4.4 4.3 4.2 4.1

5.0 4.6 4.4 4.3 4.3

3.8 4.0 4.0 3.6 3.7

3.6 3.7 3.5 3.3 3.4

3.7 3.8 3.9 3.5 3.6

4.0 4.1 3.9 4.0 4.5

3.8 3.8 3.4 3.5 4.0

3.9 3.9 3.7 3.7 4.3

4.1 4.1 4.0 3.9 3.9

3.6 3.8 3.5 3.3 3.7

4.0 4.0 3.9 3.7 3.8

11 12 13 14 15

4.3 4.2 4.1 3.9 3.6

4.1 3.9 3.7 3.6 3.4

4.2 4.0 3.9 3.7 3.5

3.9 3.9 3.7 3.7 3.7

3.5 3.2 3.4 3.2 3.2

3.7 3.7 3.6 3.6 3.5

4.5 4.5 4.3 4.5 4.2

4.4 4.3 4.0 4.0 3.8

4.5 4.4 4.2 4.1 3.9

4.3 4.6 4.6 5.1 5.2

3.9 4.1 4.2 4.6 4.7

4.0 4.2 4.4 4.8 5.0

16 17 18 19 20

3.4 3.4 3.5 3.7 3.7

3.3 3.2 3.3 3.4 3.5

3.4 3.3 3.4 3.5 3.6

3.8 4.1 4.1 4.3 3.9

3.1 3.4 3.7 3.6 3.5

3.4 3.6 3.8 3.8 3.6

3.8 4.0 3.8 3.4 3.1

3.7 3.5 3.3 2.4 2.2

3.8 3.7 3.5 3.0 2.8

5.2 4.5 4.2 4.1 3.9

4.5 4.1 4.0 3.8 3.6

4.9 4.4 4.1 3.9 3.7

21 22 23 24 25

3.7 3.7 3.6 3.7 3.7

3.6 3.5 3.4 3.4 3.4

3.6 3.6 3.6 3.5 3.5

4.0 3.7 3.7 3.7 4.0

3.3 2.9 2.9 2.6 3.5

3.7 3.5 3.3 3.3 3.8

3.0 2.8 2.8 3.0 3.6

2.2 2.3 2.3 2.3 2.9

2.8 2.7 2.7 2.8 3.2

3.7 3.6 3.5 3.5 3.6

3.3 3.2 3.2 3.2 3.4

3.6 3.5 3.4 3.4 3.5

26 27 28 29 30 31

3.6 3.4 3.6 3.4 3.5 ---

3.4 3.0 3.0 2.9 2.9 ---

3.4 3.2 3.2 3.2 3.2 ---

4.1 3.7 3.4 3.6 3.8 3.8

3.6 3.4 3.1 3.0 3.1 3.2

3.8 3.5 3.3 3.2 3.3 3.5

4.0 4.1 4.2 4.1 3.9 3.9

3.6 3.9 4.0 3.9 3.7 3.7

3.8 4.0 4.1 4.0 3.8 3.8

3.6 3.6 3.5 3.4 3.5 ---

3.4 3.3 3.4 3.3 3.3 ---

3.5 3.5 3.4 3.4 3.4 ---

MONTH

5.8

2.9

4.0

4.3

2.6

3.5

4.7

2.2

3.7

5.2

3.2

3.9

JUNE

MIN JULY

MIN AUGUST

MIN

MEAN

SEPTEMBER

54

WACCAMAW RIVER BASIN 02110725 AIW AT HIGHWAY 544 AT SOCASTEE, SC

LOCATION.--Lat 33°41'13'', long 79°00'18'', Horry County, Hydrologic Unit 03040206, on east bank of the Atlantic Intracoastal Waterway, 100 ft south of State Highway 544, 4.2 mi north of junction with the Waccamaw River, and at AIW mile 371.0. DRAINAGE AREA.--Indeterminate. PERIOD OF RECORD.--September 1999 to current year. GAGE.--Data collection platform. Datum of gage is 9.88 ft below NGVD of 1929. REMARKS.--Gage height affected by tide. EXTREMES FOR PERIOD OF RECORD.--Maximum gage height, 16.03 ft, Apr. 22, 2003; minimum gage height, 8.34 ft, Jan. 21, 2001. EXTREMES FOR CURRENT YEAR.--Maximum gage height, 13.68 ft, Oct. 13; minimum gage height, 8.70 ft, Dec. 12. Gage height, feet WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

13.35 13.25 13.05 12.99 12.96

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

12.36 12.37 11.71 11.68 11.47

12.95 12.86 12.58 12.48 12.36

12.38 12.47 12.27 12.58 12.31

9.68 9.86 9.84 10.20 9.45

11.22 11.37 11.19 11.60 10.97

12.46 12.41 12.21 12.17 12.04

9.88 9.60 9.92 9.72 9.72

11.34 11.21 11.23 11.12 10.96

12.13 12.12 12.11 12.14 12.14

9.62 9.75 9.64 9.61 9.41

10.93 11.04 11.12 11.03 10.93

12.99 12.96 13.11 13.17 13.30

11.54 11.67 12.14 12.53 12.65

12.39 12.44 12.68 12.91 13.01

12.26 12.12 12.18 12.42 12.57

10.01 9.64 9.46 9.91 10.09

11.29 10.98 10.92 11.44 11.57

12.06 12.18 12.26 12.38 12.60

9.60 9.54 9.69 9.43 9.67

11.05 11.14 11.06 11.17 11.36

12.23 12.36 12.68 12.68 12.86

9.27 9.41 9.82 9.96 10.59

11.02 11.15 11.62 11.69 12.01

11 12 13 14 15

13.43 13.60 13.68 13.48 13.48

12.82 12.99 13.15 12.85 12.59

13.13 13.32 13.45 13.22 13.04

12.65 12.73 12.54 12.75 12.79

10.18 10.01 9.74 10.02 10.29

11.63 11.67 11.39 11.69 11.86

12.32 12.33 12.42 12.49 12.51

9.28 8.70 9.29 9.10 9.38

10.81 10.78 10.97 11.03 11.23

12.77 12.62 12.56 12.54 12.56

10.11 9.92 9.87 9.93 10.18

11.78 11.54 11.54 11.57 11.59

16 17 18 19 20

13.11 12.93 12.89 12.79 12.66

11.90 10.90 10.80 10.54 10.12

12.60 12.13 12.12 11.94 11.72

12.68 12.57 12.49 12.50 12.49

10.15 9.96 9.92 10.06 10.10

11.71 11.54 11.49 11.51 11.48

12.59 12.57 12.59 12.48 11.98

10.10 10.25 10.43 10.48 9.15

11.59 11.66 11.72 11.62 10.72

12.64 12.72 12.58 12.68 12.60

10.66 10.42 10.29 10.52 10.49

11.92 11.84 11.75 11.96 11.81

21 22 23 24 25

12.93 13.08 13.15 13.17 13.16

10.69 11.60 11.95 12.03 12.09

12.10 12.49 12.68 12.73 12.73

12.36 12.53 12.64 12.68 12.65

9.94 10.06 10.49 10.40 9.94

11.36 11.59 11.76 11.85 11.47

12.47 12.43 12.61 12.35 12.67

9.79 10.01 10.04 9.58 10.13

11.41 11.40 11.48 11.14 11.69

12.68 12.85 12.38 12.64 12.68

10.57 11.08 9.88 9.87 10.60

11.94 12.27 11.22 11.64 11.92

26 27 28 29 30 31

13.12 13.05 12.95 12.93 12.82 12.55

11.96 11.62 11.18 11.14 10.86 10.15

12.64 12.47 12.27 12.23 12.04 11.49

12.45 12.72 12.71 12.50 12.60 ---

9.34 9.96 10.11 9.55 10.07 ---

11.15 11.68 11.61 11.23 11.53 ---

12.86 12.59 12.62 12.52 12.28 12.24

10.77 10.24 10.17 10.20 9.63 9.70

12.02 11.57 11.62 11.50 11.07 11.01

12.87 12.73 12.75 12.74 12.86 12.67

11.27 10.71 11.11 11.04 11.06 11.00

12.24 12.01 12.13 12.15 12.23 12.04

MONTH

13.68

10.12

12.55

12.79

9.34

11.46

12.86

8.70

11.28

12.87

9.27

11.67

OCTOBER

MIN NOVEMBER

MIN DECEMBER

MIN

MEAN

JANUARY

55

WACCAMAW RIVER BASIN 02110725 AIW AT HIGHWAY 544 AT SOCASTEE, SC--Continued Gage height, feet WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

12.76 12.86 12.92 12.87 12.92

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MIN

MEAN

MAX

MIN

11.04 11.17 11.14 11.19 11.00

12.20 12.31 12.42 12.26 12.35

12.74 11.86 12.13 12.44 12.27

9.47 9.46 9.71 9.71 9.74

11.40 10.72 11.05 11.36 10.94

12.93 13.11 12.13 12.53 12.74

11.10 10.41 9.90 9.90 10.64

12.23 12.20 11.09 11.59 11.98

12.49 12.52 12.67 12.68 12.83

10.06 9.96 10.34 10.71 10.76

11.46 11.65 11.79 11.94 12.02

13.08 ---------

11.50 ---------

12.53 ---------

12.32 12.38 12.61 12.61 12.74

9.17 9.77 10.10 9.62 10.49

11.22 11.31 11.43 11.46 11.88

12.84 12.99 13.09 13.27 13.33

11.12 11.49 11.88 12.17 12.50

12.23 12.40 12.54 12.72 12.95

12.67 12.70 12.77 12.77 12.73

10.14 10.22 10.28 10.38 10.25

11.85 11.68 11.74 11.85 11.76

11 12 13 14 15

--12.78 12.71 12.62 12.24

--10.89 10.65 10.00 9.45

--12.06 11.91 11.63 11.01

12.62 12.42 12.39 12.50 12.62

10.56 9.91 10.06 10.28 10.46

11.80 11.26 11.34 11.54 11.76

13.34 13.24 13.25 13.10 13.08

12.43 12.27 12.09 12.05 12.00

12.96 12.82 12.77 12.67 12.64

12.64 12.50 12.31 12.54 12.40

9.97 9.80 9.95 10.03 10.00

11.53 11.32 11.24 11.47 11.32

16 17 18 19 20

12.16 12.15 12.25 12.11 12.03

9.55 9.55 9.76 9.40 9.36

10.98 11.17 10.97 10.86 10.77

12.73 12.85 12.77 12.79 12.69

11.05 10.99 10.99 11.30 11.03

12.07 12.14 12.19 12.24 11.99

12.99 13.03 12.81 12.49 12.42

11.96 11.94 11.49 10.61 10.35

12.58 12.61 12.24 11.74 11.54

12.19 12.06 12.33 12.40 12.47

9.73 9.66 10.01 9.97 9.95

11.09 11.10 11.40 11.46 11.45

21 22 23 24 25

12.17 12.09 12.47 12.70 12.63

9.47 9.39 9.68 10.67 10.24

10.88 10.88 11.31 11.89 11.68

12.40 12.60 12.80 12.64 12.90

10.37 10.44 11.16 10.38 10.95

11.53 11.79 12.10 11.65 12.16

12.46 12.73 12.56 12.54 12.56

10.18 10.45 10.71 9.96 10.14

11.45 11.67 11.88 11.43 11.49

12.67 12.72 12.55 12.72 12.85

9.91 10.43 9.72 10.30 10.78

11.35 11.88 11.48 11.68 11.98

26 27 28 29 30 31

12.73 12.88 13.23 -------

10.91 11.05 11.66 -------

12.04 12.20 12.67 -------

13.03 13.16 13.31 12.78 12.86 12.92

11.69 12.12 12.08 10.76 11.20 11.06

12.46 12.76 12.87 12.00 12.24 12.24

12.64 12.70 12.58 12.64 12.68 ---

10.21 9.97 10.20 10.21 9.98 ---

11.56 11.60 11.53 11.67 11.68 ---

12.94 12.86 12.75 12.53 12.56 12.58

10.64 10.52 10.14 10.01 10.17 10.40

12.10 11.96 11.79 11.51 11.72 11.79

MONTH

---

---

---

13.31

9.17

11.77

13.34

9.90

12.08

12.94

9.66

11.62

DAY

MAX

MIN

MEAN

MAX

MIN

MEAN

MAX

MIN

MEAN

FEBRUARY

MIN MARCH

JUNE

APRIL

Gage height, feet MIN MEAN MAX JULY

MEAN

MAY

AUGUST

SEPTEMBER

1 2 3 4 5

12.78 ----12.85 12.84

10.80 ----10.52 10.52

12.08 ----11.88 11.94

12.47 12.53 12.71 12.77 12.71

9.72 9.92 10.17 10.54 10.48

11.31 11.41 11.56 11.86 11.86

12.96 13.12 13.10 13.05 13.07

10.24 10.64 10.82 10.63 10.77

11.68 12.05 12.27 12.11 12.14

12.60 12.59 12.49 12.66 12.78

10.09 10.31 10.15 10.40 10.97

11.49 11.70 11.58 11.75 12.08

6 7 8 9 10

12.84 12.81 12.82 12.82 12.78

10.57 10.57 10.63 10.71 10.59

11.95 11.93 11.93 11.97 11.89

12.64 12.67 12.67 12.38 12.45

10.33 10.29 9.76 9.98 10.20

11.73 11.66 11.45 11.30 11.47

13.07 13.10 13.21 13.17 12.99

10.93 11.24 11.59 11.09 10.83

12.20 12.35 12.58 12.35 12.16

12.86 12.87 12.80 12.80 12.77

11.43 11.55 11.25 11.15 10.87

12.33 12.35 12.24 12.21 12.11

11 12 13 14 15

12.75 12.76 12.70 12.61 12.41

10.64 10.73 10.69 10.46 9.85

11.88 11.92 11.86 11.76 11.41

12.53 12.42 12.34 12.43 12.51

10.18 10.16 9.93 10.22 10.02

11.52 11.45 11.39 11.63 11.56

13.00 13.01 12.99 13.01 12.97

10.72 10.68 10.41 10.41 10.22

12.15 12.16 11.99 12.00 11.88

12.71 12.83 13.10 12.78 12.51

10.65 10.62 11.28 10.22 9.43

12.00 12.04 12.38 11.91 11.01

16 17 18 19 20

12.35 12.60 12.72 12.89 ---

9.74 10.11 10.59 10.61 ---

11.31 11.60 11.92 12.00 ---

12.44 12.55 12.57 12.52 12.47

9.71 9.65 9.58 9.47 9.27

11.36 11.30 11.30 11.26 11.08

13.01 13.17 13.30 13.30 13.28

10.05 10.36 11.02 11.21 11.22

11.77 11.93 12.41 12.54 12.53

12.82 12.86 12.82 12.84 12.80

10.60 10.90 11.15 10.98 10.84

11.84 12.11 12.18 12.10 12.03

21 22 23 24 25

--12.58 12.50 12.49 12.62

--9.64 9.44 9.97 10.56

--11.48 11.16 11.49 11.82

12.57 12.64 12.66 12.74 12.81

9.44 9.93 10.24 10.69 10.49

11.14 11.48 11.68 11.96 11.94

13.28 13.26 13.25 -----

11.36 11.55 11.63 -----

12.54 12.59 12.65 -----

12.71 12.71 12.62 12.60 12.69

10.57 10.49 10.50 10.32 10.59

11.91 11.87 11.83 11.74 11.89

26 27 28 29 30 31

12.72 12.48 12.23 12.24 12.34 ---

10.23 9.86 9.69 9.72 9.55 ---

11.82 11.41 11.26 11.29 11.18 ---

12.60 12.52 ----12.84 12.78

10.18 10.05 ----10.25 10.30

11.61 11.58 ----11.79 11.68

13.05 13.05 12.87 12.89 12.88 12.62

11.76 11.89 11.00 10.98 11.13 10.20

12.61 12.58 12.24 12.20 12.24 11.79

12.69 12.56 12.74 12.64 12.71 ---

11.04 10.39 10.96 10.74 10.80 ---

12.13 11.72 12.01 11.99 11.90 ---

---

---

---

---

---

---

---

---

---

13.10

9.43

11.95

MONTH

56

WACCAMAW RIVER BASIN 02110725 AIW AT HIGHWAY 544 AT SOCASTEE, SC--Continued WATER-QUALITY RECORDS

PERIOD OF RECORD.--Water years 1986-92, October 2001 to current year. PERIOD OF DAILY RECORD.-SPECIFIC CONDUCTANCE: February 1986 to November 1992 (discontinued). pH: February 1986 to September 1989 (discontinued). WATER TEMPERATURE: February 1986 to November 1992, October 2001 to current year. DISSOLVED OXYGEN: February 1986 to November 1992, October 2001 to current year. INSTRUMENTATION.--Water-quality multiprobe and data collection platform. REMARKS.--Temperature records rated excellent except for June 21 to July 11, which are good. Dissolved oxygen records rated excellent except for Dec. 20-29, Sep. 16-30, which are good, May 3-11, which are fair, and July 11-27, which are poor. EXTREMES FOR PERIOD OF DAILY RECORD.-SPECIFIC CONDUCTANCE: Maximum, 360 microsiemens, Apr. 5, 1990; minimum, 47 microsiemens, Mar. 27, 1987. pH: Maximum, 7.7 units, Aug. 29, 1988; minimum, 5.1 units, Sep. 13, 1988. WATER TEMPERATURE: Maximum, 32.5°C, July 12, 1989, July 28, 2005; minimum, 1.0°C, Dec. 28, 1989. DISSOLVED OXYGEN: Maximum, 11.5 mg/L, Jan. 13, 14, 16-18, 1988; minimum, 0.4 mg/L, Oct. 5, 6, 18, 1989. EXTREMES FOR CURRENT YEAR.-WATER TEMPERATURE: Maximum, 32.5°C, July 28; minimum, 5.4°C, Jan. 30, 31. DISSOLVED OXYGEN: Maximum, 10.6 mg/L, Jan. 30, 31; minimum, 0.6 mg/L, Oct. 1. Temperature, water, degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

24.1 24.6 24.7 24.8 24.0

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

23.6 23.8 24.0 23.8 23.4

23.8 24.1 24.2 24.0 23.7

20.3 20.9 21.2 21.4 21.4

19.6 20.1 20.6 21.0 20.7

19.9 20.5 20.9 21.2 21.1

15.0 14.5 14.2 13.8 13.6

14.4 14.1 13.8 13.2 12.8

14.6 14.3 13.9 13.5 13.0

7.8 8.3 8.8 9.7 10.5

7.2 7.6 8.1 8.6 9.3

7.5 8.0 8.5 9.1 9.9

23.7 22.8 22.1 22.1 22.2

22.8 22.0 21.6 21.7 21.7

23.2 22.5 21.9 21.9 21.9

20.7 20.6 19.8 19.2 18.1

20.0 19.5 19.1 18.1 17.2

20.3 19.8 19.4 18.7 17.6

13.3 14.7 15.0 15.4 15.4

12.8 13.0 13.7 14.2 14.7

13.0 13.5 14.1 14.5 15.1

11.3 11.9 12.6 13.0 13.6

10.1 11.0 11.7 12.6 12.8

10.7 11.4 12.1 12.8 13.3

11 12 13 14 15

22.1 21.8 21.9 21.7 21.4

21.6 21.5 21.4 21.3 20.4

21.9 21.7 21.7 21.5 20.9

17.2 17.0 16.8 16.2 15.4

16.7 16.6 16.1 15.4 14.5

16.9 16.8 16.6 15.7 14.9

15.2 14.5 14.0 13.5 12.6

14.5 13.9 13.5 12.6 11.4

14.9 14.2 13.8 13.1 12.0

13.7 13.9 14.5 15.0 14.5

13.3 13.6 13.9 14.4 13.5

13.5 13.7 14.2 14.7 14.0

16 17 18 19 20

20.4 19.8 19.8 20.3 21.0

19.3 18.9 19.0 19.5 20.3

19.8 19.2 19.3 19.9 20.6

14.5 14.0 13.8 14.3 14.9

13.8 13.4 13.2 13.5 13.9

14.1 13.7 13.5 13.8 14.3

11.4 10.7 10.6 10.2 9.8

10.5 10.3 10.1 9.8 8.7

11.0 10.4 10.3 10.0 9.2

13.5 12.4 10.9 9.4 8.2

12.3 10.9 9.4 8.2 7.7

12.9 11.6 10.1 8.7 7.9

21 22 23 24 25

21.2 21.0 20.5 19.9 19.3

20.6 20.5 19.9 19.3 18.8

20.8 20.7 20.1 19.5 19.1

15.0 15.4 15.7 16.0 16.5

14.4 14.9 15.3 15.7 16.0

14.7 15.2 15.6 15.8 16.2

8.9 8.7 9.3 9.3 9.0

8.2 7.9 8.4 8.8 8.4

8.5 8.3 8.9 9.0 8.8

8.3 8.4 8.2 7.5 7.2

7.8 7.7 7.4 7.0 6.8

8.0 8.1 7.9 7.3 7.0

26 27 28 29 30 31

18.8 18.6 18.6 18.5 19.1 19.8

18.5 18.1 18.4 18.4 18.4 18.9

18.6 18.4 18.5 18.4 18.7 19.3

16.0 15.4 15.3 14.9 14.6 ---

15.3 14.9 14.9 14.4 14.2 ---

15.7 15.2 15.2 14.7 14.5 ---

8.4 7.1 6.5 6.7 7.0 7.4

7.1 6.2 5.8 5.9 6.3 6.7

7.8 6.6 6.3 6.4 6.6 7.0

7.3 7.4 7.1 6.2 6.0 6.2

6.7 6.9 6.2 5.5 5.4 5.4

7.0 7.1 6.6 5.7 5.6 5.8

MONTH

24.8

18.1

21.0

21.4

13.2

16.8

15.4

5.8

11.1

15.0

5.4

9.7

OCTOBER

MIN NOVEMBER

MIN DECEMBER

MIN

MEAN

JANUARY

57

WACCAMAW RIVER BASIN 02110725 AIW AT HIGHWAY 544 AT SOCASTEE, SC--Continued Temperature, water, degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

6.4 6.3 6.4 6.8 7.2

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

MIN

5.8 5.8 6.0 6.0 6.2

6.0 6.0 6.2 6.4 6.7

10.9 10.8 10.9 11.5 11.5

10.2 10.0 9.9 9.7 10.0

10.6 10.3 10.2 10.2 10.5

18.8 19.0 18.4 18.7 18.6

18.0 18.1 17.3 17.0 17.5

18.4 18.6 17.8 17.6 18.0

20.3 21.3 21.0 21.2 20.5

19.2 19.6 19.9 20.2 19.4

19.7 20.2 20.4 20.5 19.9

7.6 8.2 8.9 9.6 10.4

6.7 7.3 8.0 8.9 9.6

7.1 7.7 8.5 9.3 10.0

11.7 12.0 12.3 11.9 11.9

10.3 10.7 11.6 11.4 11.2

10.8 11.3 11.9 11.6 11.5

19.4 19.7 19.9 19.5 19.1

18.2 19.1 19.2 18.9 18.3

18.8 19.4 19.5 19.3 18.7

19.4 19.4 19.8 20.7 21.3

18.6 18.0 18.6 19.3 20.1

19.0 18.6 19.2 20.0 20.6

11 12 13 14 15

10.4 10.0 9.7 9.9 10.8

9.6 9.2 9.0 9.4 9.8

9.9 9.5 9.4 9.6 10.2

12.0 12.2 12.9 12.9 13.4

11.1 11.0 11.6 12.6 12.4

11.5 11.5 12.2 12.8 12.7

19.2 19.1 18.7 18.2 16.7

18.3 18.6 18.2 16.6 15.7

18.8 18.8 18.5 17.4 16.3

22.3 23.2 23.1 23.8 24.4

20.9 21.8 22.7 22.8 23.2

21.5 22.4 22.9 23.3 23.8

16 17 18 19 20

11.9 12.3 12.2 12.5 12.0

10.5 11.5 11.5 11.1 11.3

11.1 11.8 11.8 11.7 11.6

12.7 12.1 11.2 11.1 12.2

12.0 10.8 10.4 10.6 10.7

12.4 11.4 10.8 10.9 11.5

15.9 16.2 17.0 18.0 18.4

15.3 15.0 15.5 16.2 16.9

15.6 15.6 16.1 16.9 17.6

24.5 24.4 25.0 25.1 25.4

23.7 23.7 23.6 23.7 24.0

24.0 24.0 24.0 24.2 24.4

21 22 23 24 25

12.1 12.8 13.4 13.2 12.9

11.6 11.8 12.7 12.9 12.3

11.8 12.3 13.0 13.2 12.7

13.3 13.7 15.0 16.0 16.5

12.0 12.9 13.7 14.6 15.7

12.6 13.3 14.3 15.3 16.1

19.4 19.8 19.9 19.2 18.8

17.6 18.4 19.2 18.3 17.9

18.3 19.0 19.4 18.8 18.3

24.2 23.3 23.8 24.2 23.3

23.2 22.8 22.6 22.9 22.5

23.7 23.1 23.1 23.3 22.9

26 27 28 29 30 31

12.6 12.2 11.3 -------

11.8 11.2 10.8 -------

12.2 11.7 11.0 -------

17.2 17.0 18.0 17.5 18.3 18.6

16.4 16.7 16.7 16.2 16.9 17.7

16.7 16.9 17.3 16.9 17.4 18.0

18.4 19.0 19.5 19.9 19.8 ---

18.0 18.0 18.2 18.6 19.0 ---

18.2 18.4 18.7 19.0 19.3 ---

23.6 23.3 23.8 24.1 23.7 23.3

22.0 22.0 22.5 22.9 23.2 23.0

22.5 22.6 23.0 23.5 23.5 23.2

MONTH

13.4

5.8

9.9

18.6

9.7

12.9

19.9

15.0

18.2

25.4

18.0

22.2

MAX

MIN

MEAN

Temperature, water, degrees Celsius MAX MIN MEAN MAX MIN

MEAN

MAX

MIN

MEAN

FEBRUARY

DAY

MIN MARCH

JUNE

MIN APRIL

JULY

MEAN

MAY

AUGUST

SEPTEMBER

1 2 3 4 5

23.0 23.0 23.2 23.5 24.6

22.5 22.4 22.6 22.9 23.2

22.7 22.7 22.9 23.2 23.8

29.5 29.3 --29.0 29.5

27.7 28.2 --28.2 28.5

28.4 28.7 --28.6 29.0

30.2 30.4 30.3 30.4 30.1

29.5 29.2 29.1 29.4 29.6

29.9 29.7 29.7 29.8 29.8

29.8 29.3 29.2 29.0 28.4

28.4 28.5 28.4 28.4 27.8

28.9 28.8 28.8 28.6 28.1

6 7 8 9 10

25.6 26.0 26.3 26.8 27.3

24.0 24.7 25.3 25.8 26.3

24.6 25.2 25.8 26.3 26.7

29.8 30.2 -------

28.8 29.1 -------

29.3 29.6 -------

29.8 29.2 28.5 27.1 27.5

29.2 28.5 27.1 26.6 26.6

29.5 28.8 27.8 26.8 27.0

27.8 27.2 27.2 26.8 26.2

27.2 26.5 26.0 26.0 25.6

27.5 26.9 26.5 26.3 26.0

11 12 13 14 15

27.2 27.2 27.5 28.6 29.6

26.5 26.6 26.7 27.0 27.4

26.8 26.9 27.0 27.5 28.1

29.3 29.8 30.6 30.0 30.0

29.0 28.9 29.3 29.5 29.2

29.2 29.3 29.7 29.7 29.5

27.7 28.5 28.9 28.5 29.8

26.9 27.4 28.0 28.3 28.0

27.3 28.0 28.4 28.4 28.7

25.6 25.5 25.2 25.0 26.1

25.1 24.7 25.0 24.3 24.0

25.4 25.1 25.1 24.7 24.7

16 17 18 19 20

29.7 29.3 28.5 28.0 ---

28.0 28.2 28.0 27.4 ---

28.7 28.6 28.3 27.7 ---

30.2 31.1 30.7 31.2 31.6

29.1 29.4 29.8 29.7 29.9

29.6 30.1 30.1 30.3 30.5

30.0 29.9 29.2 29.3 29.8

28.5 29.1 29.0 28.6 28.8

29.1 29.3 29.1 29.0 29.3

26.1 26.2 26.6 27.0 27.4

24.6 25.3 25.9 26.3 26.6

25.1 25.7 26.3 26.6 26.9

21 22 23 24 25

--27.2 27.6 27.9 27.3

--26.1 26.4 26.8 26.8

--26.6 27.0 27.2 27.0

31.2 31.2 31.3 31.3 31.0

30.3 30.4 30.5 30.4 30.1

30.7 30.8 30.9 30.8 30.5

30.4 30.7 30.5 -----

29.3 29.8 29.7 -----

29.8 30.2 30.0 -----

27.6 27.7 28.0 27.7 27.5

26.7 26.8 26.7 26.7 26.8

27.1 27.1 27.1 27.2 27.1

26 27 28 29 30 31

27.8 28.0 27.4 27.6 28.3 ---

26.5 26.9 27.2 27.1 27.1 ---

26.9 27.3 27.3 27.3 27.7 ---

31.6 32.0 32.5 --31.8 31.1

29.9 30.5 ----31.1 30.0

30.6 31.1 ----31.4 30.4

28.0 27.4 27.6 28.6 28.8 29.5

27.2 26.5 26.6 27.2 27.8 28.1

27.6 27.0 27.1 27.8 28.2 28.6

27.3 27.2 27.2 27.3 26.8 ---

26.8 26.7 26.5 26.4 26.2 ---

27.0 26.9 26.8 26.7 26.4 ---

MONTH

---

---

---

---

---

---

---

---

---

29.8

24.0

26.7

58

WACCAMAW RIVER BASIN 02110725 AIW AT HIGHWAY 544 AT SOCASTEE, SC--Continued Dissolved oxygen, water, unfiltered, milligrams per liter WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

2.0 2.6 4.2 3.2 2.6

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

0.6 1.8 2.0 2.2 2.0

1.4 2.2 2.6 2.6 2.2

3.6 3.5 3.5 3.6 4.0

3.4 3.3 3.3 3.4 3.6

3.5 3.4 3.4 3.5 3.7

6.7 6.7 6.7 6.9 6.9

6.5 6.6 6.6 6.7 6.7

6.6 6.6 6.6 6.8 6.8

10.0 10.0 9.9 9.8 9.7

9.9 9.8 9.8 9.6 9.4

10.0 9.9 9.8 9.7 9.6

2.6 2.4 2.7 2.8 2.8

1.9 2.0 2.3 2.4 2.5

2.2 2.2 2.5 2.6 2.6

4.0 4.3 4.6 4.9 5.5

3.8 3.9 4.2 4.4 4.9

3.9 4.1 4.3 4.6 5.2

7.0 7.2 7.2 7.2 7.1

6.8 6.9 7.0 6.8 6.9

6.9 7.0 7.1 7.0 7.0

9.6 9.4 9.3 9.0 8.9

9.3 9.2 9.0 8.9 8.4

9.5 9.3 9.2 8.9 8.6

11 12 13 14 15

2.8 2.7 2.8 2.8 2.3

2.5 2.4 2.4 2.2 1.8

2.6 2.6 2.6 2.4 2.1

5.8 5.8 6.0 6.3 6.5

5.5 5.6 5.7 6.0 6.2

5.6 5.7 5.9 6.1 6.3

7.3 7.3 7.5 7.6 7.8

7.1 7.2 7.2 7.4 7.6

7.2 7.3 7.4 7.5 7.7

8.4 8.2 7.8 7.7 7.6

8.2 7.8 7.5 7.3 7.2

8.3 8.0 7.6 7.5 7.5

16 17 18 19 20

2.6 2.7 2.7 2.8 2.9

2.0 2.1 2.4 2.5 2.5

2.3 2.4 2.5 2.6 2.7

6.6 6.6 6.6 6.6 6.5

6.4 6.5 6.5 6.5 6.3

6.5 6.6 6.6 6.5 6.5

8.1 8.2 8.4 8.7 8.8

7.8 8.1 8.2 8.3 8.6

7.9 8.1 8.3 8.5 8.7

7.9 8.2 8.6 8.9 9.1

7.6 7.8 8.1 8.5 8.9

7.7 8.0 8.3 8.7 9.0

21 22 23 24 25

2.8 3.3 3.8 4.2 4.0

2.6 2.7 3.3 3.7 3.6

2.7 3.0 3.6 3.9 3.8

6.5 6.4 6.3 6.2 6.5

6.3 6.2 6.2 6.1 6.1

6.4 6.3 6.2 6.2 6.3

8.9 9.0 9.2 9.3 9.2

8.7 8.9 8.9 9.1 9.0

8.8 8.9 9.1 9.2 9.1

9.2 9.5 9.7 9.6 9.9

9.0 9.2 9.5 9.4 9.6

9.1 9.3 9.6 9.5 9.8

26 27 28 29 30 31

3.7 3.5 3.4 3.3 3.3 3.7

3.4 3.2 3.2 3.1 3.0 3.0

3.5 3.4 3.3 3.2 3.2 3.4

6.4 6.6 6.9 6.8 6.6 ---

6.3 6.2 6.5 6.6 6.5 ---

6.4 6.3 6.7 6.7 6.6 ---

9.7 10.1 10.0 10.2 10.1 10.0

9.2 9.6 9.8 9.8 9.8 9.9

9.5 10.0 10.0 10.0 10.0 10.0

10.0 10.1 10.2 10.4 10.6 10.6

9.8 9.9 9.9 10.2 10.3 10.3

9.9 10.0 10.1 10.3 10.5 10.5

MONTH

4.2

0.6

2.7

6.9

3.3

5.5

10.2

6.5

8.1

10.6

7.2

9.2

DAY

MAX

MIN

MAX

MIN

MEAN

OCTOBER

MIN NOVEMBER

MIN DECEMBER

MARCH

MEAN

JANUARY

Dissolved oxygen, water, unfiltered, milligrams per liter MEAN MAX MIN MEAN MAX MIN MEAN

FEBRUARY

MIN

APRIL

MAY

1 2 3 4 5

10.5 10.5 10.5 10.5 10.4

10.3 10.3 10.0 10.2 10.1

10.4 10.4 10.4 10.4 10.3

-----------

-----------

-----------

5.7 6.3 6.6 6.2 5.9

5.5 5.4 6.2 5.8 5.6

5.6 5.8 6.3 6.0 5.7

5.9 5.8 5.6 5.8 6.3

5.7 5.5 5.5 5.6 5.7

5.8 5.7 5.6 5.7 5.9

6 7 8 9 10

10.4 10.4 10.2 9.9 ---

10.2 10.1 9.9 9.6 ---

10.3 10.3 10.1 9.8 ---

9.2 9.2 9.4 9.3 9.2

9.0 9.0 9.0 9.1 9.1

9.1 9.2 9.2 9.3 9.2

5.7 5.4 5.3 5.0 5.3

5.3 5.2 5.0 4.9 4.9

5.5 5.3 5.1 5.0 5.1

6.2 6.3 6.3 6.3 5.9

5.9 6.0 6.1 5.8 5.6

6.1 6.2 6.2 6.0 5.7

11 12 13 14 15

--9.4 9.3 9.2 ---

--9.2 9.2 9.0 ---

--9.3 9.3 9.1 ---

9.2 9.3 9.2 9.0 9.2

9.1 9.1 9.0 8.8 8.7

9.2 9.2 9.1 8.9 8.8

5.2 4.8 4.3 4.6 ---

4.7 4.3 4.1 4.2 ---

5.0 4.5 4.2 4.3 ---

-----------

-----------

-----------

16 17 18 19 20

-----------

-----------

-----------

9.2 9.1 9.1 9.2 9.0

9.0 8.9 9.0 8.9 8.9

9.1 9.0 9.1 9.0 8.9

--6.1 6.1 6.0 6.1

--5.9 5.8 5.8 5.8

--6.0 6.0 5.9 5.9

-----------

-----------

-----------

21 22 23 24 25

-----------

-----------

-----------

8.9 8.8 8.7 8.3 8.1

8.7 8.5 8.2 8.0 7.7

8.8 8.7 8.5 8.1 7.9

6.0 6.0 5.9 6.2 6.1

5.9 5.7 5.6 5.8 5.9

5.9 5.8 5.8 6.0 6.0

5.0 --5.4 5.3 5.3

4.7 --5.0 5.1 5.0

4.8 --5.2 5.2 5.1

26 27 28 29 30 31

-------------

-------------

-------------

7.8 7.5 7.1 6.9 6.5 6.0

7.4 6.7 6.5 6.4 5.9 5.6

7.6 7.2 6.9 6.7 6.2 5.8

6.0 6.0 6.0 5.8 5.9 ---

5.8 5.7 5.7 5.5 5.7 ---

5.9 5.8 5.8 5.7 5.8 ---

5.2 5.2 5.4 5.5 5.4 ---

4.9 5.0 5.0 5.2 5.1 ---

5.0 5.1 5.2 5.3 5.3 ---

MONTH

---

---

---

---

---

---

---

---

---

---

---

---

59

WACCAMAW RIVER BASIN 02110725 AIW AT HIGHWAY 544 AT SOCASTEE, SC--Continued Dissolved oxygen, water, unfiltered, milligrams per liter WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

5.2 5.0 4.8 5.0 4.6

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

4.9 4.7 4.6 4.4 4.2

5.0 4.9 4.7 4.7 4.4

3.5 3.6 --4.1 4.0

3.2 3.3 --3.6 3.5

3.3 3.4 --3.8 3.7

4.3 4.3 4.2 4.0 3.8

3.8 3.8 3.8 3.7 3.5

4.0 3.9 3.9 3.8 3.6

3.3 3.1 3.4 3.9 4.3

2.9 2.8 2.9 3.3 3.7

3.0 2.9 3.1 3.6 4.0

4.4 4.2 3.8 3.7 3.8

4.0 3.8 3.6 3.4 3.3

4.2 3.9 3.7 3.5 3.5

3.6 3.4 -------

3.3 3.1 -------

3.4 3.2 -------

3.9 4.3 4.6 4.6 4.0

3.5 3.7 4.0 4.0 3.8

3.6 4.0 4.3 4.2 3.9

4.4 4.4 4.4 4.4 4.6

4.0 4.0 4.0 3.9 4.0

4.2 4.2 4.2 4.1 4.2

11 12 13 14 15

3.9 3.9 3.8 3.6 3.6

3.4 3.5 3.4 3.4 3.2

3.7 3.7 3.6 3.5 3.4

--3.7 3.9 3.7 4.0

--3.4 3.5 3.5 3.5

--3.5 3.7 3.6 3.7

3.8 3.6 3.6 3.7 3.8

3.5 3.3 3.3 3.4 3.3

3.6 3.5 3.4 3.5 3.5

4.8 5.1 6.2 6.0 5.8

4.2 4.4 4.5 5.4 5.3

4.4 4.7 5.1 5.8 5.5

16 17 18 19 20

3.5 3.2 3.4 4.1 ---

3.1 2.9 3.0 3.3 ---

3.2 3.1 3.2 3.5 ---

4.2 4.3 4.3 4.2 4.0

3.6 3.8 3.9 3.9 3.7

3.9 4.1 4.1 4.0 3.9

3.6 3.8 3.6 3.4 3.7

3.3 3.3 3.2 3.2 3.3

3.4 3.4 3.4 3.3 3.5

5.3 4.8 4.5 4.5 3.8

4.7 4.0 4.0 3.7 3.2

5.0 4.3 4.2 4.0 3.5

21 22 23 24 25

--3.8 3.8 3.8 3.9

--3.5 3.5 3.4 3.6

--3.6 3.6 3.7 3.8

3.9 3.6 3.9 4.2 4.1

3.5 3.4 3.4 3.6 3.8

3.7 3.5 3.6 3.9 4.0

3.8 3.7 3.3 -----

3.4 3.2 3.1 -----

3.6 3.4 3.2 -----

3.3 3.1 3.0 3.0 3.2

2.9 2.7 2.7 2.6 2.8

3.1 2.9 2.8 2.8 3.0

26 27 28 29 30 31

4.0 4.0 3.8 3.6 3.3 ---

3.6 3.7 3.4 3.2 3.1 ---

3.8 3.8 3.6 3.4 3.3 ---

4.2 ------3.9 4.4

3.6 ------3.5 3.9

3.8 ------3.6 4.2

3.9 4.5 4.0 3.7 3.2 3.5

3.4 3.4 3.5 3.1 2.8 2.8

3.6 3.9 3.7 3.4 3.0 3.0

3.1 2.8 3.0 3.0 3.0 ---

2.8 2.7 2.6 2.7 2.7 ---

3.0 2.7 2.8 2.8 2.8 ---

MONTH

---

---

---

---

---

---

---

---

---

6.2

2.6

3.8

JUNE

MIN JULY

MIN AUGUST

MIN

MEAN

SEPTEMBER

60

WACCAMAW RIVER BASIN 02110755 AIW AT BRIARCLIFFE ACRES AT NORTH MYRTLE BEACH, SC

LOCATION.--Lat 33°47'54'', long 78°45'12'', Horry County, Hydrologic Unit 03040207, on right bank of Atlantic Intracoastal Waterway, at Briarcliffe Marina, 12.3 mi upstream from the junction of Little River Inlet and at AIW mile 354.1. PERIOD OF RECORD.--Water years 1984 to current year. PERIOD OF DAILY RECORD.-SPECIFIC CONDUCTANCE: October 1983 to current year. pH: April 1986 to September 1989 (discontinued). WATER TEMPERATURE: April 1986 to September 1989 (discontinued). DISSOLVED OXYGEN: September 1986 to September 1989 (discontinued). INSTRUMENTATION.--Water-quality multiprobe and data collection platform. REMARKS.--Specific conductance records rated excellent except for Oct. 11-26, which are good. EXTREMES FOR PERIOD OF DAILY RECORD.-SPECIFIC CONDUCTANCE: Maximum, 39,200 microsiemens, Sep. 22, 1989; minimum, 50 microsiemens, Sep. 15, 1996. pH: Maximum 9.2 units, Aug. 13, 1987; minimum, 5.3 units, Sep. 26, 1986. WATER TEMPERATURE: Maximum, 33.5°C, Jul. 31, 1988; minimum, 2.0°C, Jan. 16, 1988. DISSOLVED OXYGEN: Maximum, 11.4 mg/L, Jan. 19, 1988; minimum, 2.2 mg/L, Sep. 30, 1989. EXTREMES FOR CURRENT YEAR.-SPECIFIC CONDUCTANCE: Maximum, 6,890 microsiemens, Sep. 13; minimum, 86 microsiemens, Oct. 1, 11, 13. Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

MEAN

MAX

OCTOBER

MIN

MEAN

MAX

NOVEMBER

MIN

MEAN

MAX

DECEMBER

MIN

MEAN

JANUARY

1 2 3 4 5

256 458 270 266 191

86 178 94 95 106

155 333 154 149 126

165 183 185 202 195

137 134 138 141 132

152 156 159 166 162

159 158 152 147 145

139 135 134 133 132

149 146 144 140 139

140 141 136 134 135

124 123 123 123 124

131 130 129 127 128

6 7 8 9 10

447 622 441 584 189

94 135 103 96 89

200 399 204 414 109

187 195 205 206 201

143 137 138 145 133

162 167 167 173 161

149 159 176 161 181

137 136 139 141 142

142 144 151 151 156

140 147 191 196 214

124 126 129 130 134

131 135 146 149 151

11 12 13 14 15

191 285 405 196 265

86 87 86 88 87

102 115 115 107 139

167 303 220 273 ---

130 130 132 139 ---

145 167 152 171 ---

181 383 268 256 200

143 146 151 148 142

156 180 173 168 160

198 200 262 168 159

131 132 135 140 142

150 149 160 150 149

16 17 18 19 20

137 192 298 207 289

94 105 102 108 133

113 137 157 153 186

----191 191 ---

----146 149 ---

----160 169 ---

166 156 145 139 138

139 133 129 129 127

152 144 137 134 132

158 169 154 147 134

147 140 133 125 120

153 154 143 135 127

21 22 23 24 25

309 544 555 280 281

180 141 246 107 104

218 253 403 127 142

----222 178 172

----147 144 139

----169 161 153

142 140 141 139 145

130 127 127 123 127

136 134 133 132 135

132 131 121 129 139

118 119 115 117 117

125 124 118 122 123

26 27 28 29 30 31

145 139 144 150 169 164

107 117 124 126 127 135

124 129 134 139 148 150

172 206 167 160 166 ---

134 137 139 141 143 ---

151 158 151 149 154 ---

151 143 148 147 153 142

131 129 131 132 127 126

139 136 139 139 136 134

129 126 126 124 123 122

117 117 116 114 114 114

122 121 120 118 118 118

MONTH

622

86

179

---

---

---

383

123

145

262

114

134

61

WACCAMAW RIVER BASIN 02110755 AIW AT BRIARCLIFFE ACRES AT NORTH MYRTLE BEACH, SC--Continued Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

125 127 129 131 138

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

MIN

116 116 116 116 122

121 122 122 123 130

144 154 144 153 140

130 131 133 130 129

137 136 137 138 133

137 ------146

116 ------117

125 ------128

137 147 156 158 160

113 115 124 126 125

125 134 141 145 144

141 139 140 135 138

128 124 121 119 117

133 129 127 124 124

142 140 143 140 138

127 127 126 125 126

133 131 131 131 130

147 140 136 139 134

114 113 111 113 108

127 122 124 123 120

153 168 188 194 186

124 128 140 144 145

140 141 153 161 163

11 12 13 14 15

133 132 130 130 130

117 121 122 121 120

124 126 125 124 125

135 131 132 134 133

124 121 122 123 124

128 126 126 127 128

122 130 119 114 121

102 102 100 102 103

112 111 109 108 109

175 168 171 182 170

139 140 142 149 132

158 156 161 165 155

16 17 18 19 20

150 159 158 143 140

126 132 132 130 129

133 148 143 136 133

132 138 142 148 136

122 122 132 131 121

127 131 137 137 130

126 130 114 124 130

103 104 100 100 104

112 114 106 109 113

166 176 196 201 203

134 148 162 173 171

150 161 176 185 189

21 22 23 24 25

142 144 150 155 153

127 127 131 142 135

132 134 140 146 143

126 131 139 142 149

119 119 123 126 132

122 124 129 133 138

131 137 132 118 122

106 107 108 107 106

117 117 118 112 113

948 410 308 683 766

168 171 160 173 182

272 226 197 235 254

26 27 28 29 30 31

151 148 187 -------

136 131 136 -------

143 139 150 -------

145 142 ------137

130 132 ------119

136 136 ------128

120 124 132 138 138 ---

108 108 110 113 111 ---

113 117 120 125 125 ---

963 351 241 191 187 186

179 161 150 148 152 155

307 221 185 168 171 171

MONTH

187

116

132

---

---

---

---

---

---

963

113

178

Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN

MEAN

FEBRUARY

DAY

MIN MARCH

JUNE

MIN APRIL

JULY

MEAN

MAY

AUGUST

SEPTEMBER

1 2 3 4 5

201 190 187 180 173

157 163 159 156 154

178 180 175 168 162

196 185 179 167 150

145 143 136 127 120

165 164 160 148 132

178 195 177 174 169

144 152 151 145 140

159 164 166 159 156

171 169 191 182 182

145 152 153 156 156

154 160 165 170 170

6 7 8 9 10

170 170 160 146 148

150 141 126 122 122

162 156 143 133 133

138 144 146 148 152

119 121 121 127 138

128 131 135 138 145

166 163 158 152 155

136 135 135 135 139

153 148 148 143 148

191 188 187 183 185

157 159 158 157 151

176 176 175 173 168

11 12 13 14 15

149 143 137 138 ---

125 125 123 123 ---

135 134 131 130 ---

160 180 161 168 163

135 134 135 137 136

148 151 148 153 149

160 162 161 155 152

144 145 136 129 126

151 153 149 142 138

205 525 6890 1370 373

151 154 179 199 193

169 224 1180 554 273

16 17 18 19 20

--159 162 205 176

--124 123 120 114

--139 142 144 139

160 158 166 182 238

134 133 134 134 131

147 143 145 148 155

163 214 248 223 206

130 135 140 141 142

141 153 167 166 161

608 478 451 317 290

263 271 252 243 233

340 334 311 276 263

21 22 23 24 25

176 188 653 791 1050

112 114 120 136 145

133 134 158 244 313

584 578 544 563 298

137 148 153 159 149

186 212 224 241 199

177 171 167 161 169

142 141 140 140 146

159 158 155 151 156

274 275 247 234 241

229 207 196 188 181

252 242 224 214 211

26 27 28 29 30 31

312 191 183 184 204 ---

133 131 134 139 136 ---

197 159 159 165 164 ---

195 186 181 205 187 177

145 145 141 144 147 142

171 165 164 168 169 160

179 183 160 164 162 159

155 154 147 149 152 142

169 168 154 157 158 152

227 214 225 208 214 ---

181 160 173 160 165 ---

210 191 198 190 187 ---

MONTH

---

---

---

584

119

161

248

126

155

6890

145

258

62

WACCAMAW RIVER BASIN 02110760 AIW AT MYRTLEWOOD GOLF COURSE AT MYRTLE BEACH, SC--Continued

LOCATION.--Lat 33°44'26'', long 78°52'01'', Horry County, Hydrologic Unit 03040207, on East bank of the Atlantic Intracoastal Waterway, 50 ft south of Black Creek, 3.5 mi northeast of Myrtle Beach and at AIW mile 361.8. DRAINAGE AREA.--Indeterminate. WATER-DISCHARGE RECORDS PERIOD OF RECORD.--January 1983 to September 1990, February 2001 to current year. GAGE.--Data collection platform and acoustic velocity meter. Datum of gage is 12.07 ft below NGVD of 1929. REMARKS.--This site is strongly affected by astronomical tides. The astromomical tides occur at primary harmonic periods of 12.42 hours for semi-diurnal tides and 24.84 hours for diurnal tides. Previously published 24-hour daily mean discharge for this site may have been affected by aliasing due to tides and, thus, may contain spurious fluctuations or oscillations that were not indicative of net downstream discharge. Negative flow is south towards Georgetown. Discharge records for the 1983-1990 water years were computed by utilization of a One- Dimensional unsteady flow simulation model (BRANCH) and are rated poor. EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 7,210 ft3/s, Apr. 1, 1983, maximum gage height, 18.50 ft, Apr. 1, 2003; minimum discharge, -6060 ft3/s, May 19, 2003, minimum gage height, 11.15 ft, Apr. 18, 2004. EXTREMES FOR CURRENT YEAR.--Maximum discharge, 9,710 ft3/s, Oct. 13, maximum gage height, 16.72 ft, Oct. 13; minimum discharge, -5,870 ft3/s, Feb. 28, minimum gage height, 11.58 ft, Dec. 12. Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

1 2 3 4 5

4110 4130 4200 3690 3670

-3990 -3560 -2760 -2610 -2140

-----------

-----------

3040 3100 2890 2890 2910

-3210 -4000 -3270 -2610 -2880

2980 2870 2950 2980 3020

-3250 -3350 -3100 -2750 -2810

3700 3710 3730 3740 3740

-2910 -3130 -3570 -4110 -4600

3830 3010 2820 3360 3310

-2220 -2870 -3070 -2900 -3060

6 7 8 9 10

3790 3870 4130 4180 4440

-2420 -2490 -2690 -1790 -2310

--2920 3120 3400 3280

---3190 -3450 -3430 -4030

3070 3500 3060 3160 3480

-2660 -3280 -3420 -3850 -4160

3020 3450 3430 3530 3650

-3520 -3990 -4120 -4340 -4730

4000 3860 3880 3870 3890

-4710 -4700 -4950 -4710 -4600

3430 3330 --3600 3540

-3090 -3700 ---3940 -4010

11 12 13 14 15

4690 4520 4710 4700 4680

-2760 -3360 -3850 -3460 -4510

3480 3530 3350 3470 3540

-4240 -4400 -4270 -4570 -4550

3270 3320 3420 3420 3470

-4070 -4060 -3990 -3700 -3920

3790 3280 3320 3430 3320

-4570 -4670 -4760 -4460 -4130

3640 3630 3420 3340 3010

-4280 -4170 -3770 -3530 -2470

3600 3590 3370 3400 3530

-3620 -3690 -3870 -3270 -2880

16 17 18 19 20

4230 3700 3700 3600 3530

-3480 -4250 -3740 -3520 -3760

3390 3270 3230 3190 3100

-4320 -4350 -4130 -3630 -3910

----3260 3210 ---

-----3630 -3510 ---

3480 3560 3400 3370 3270

-3640 -3420 -3310 -3160 -3030

3010 3020 3180 2910 2870

-2960 -3480 -3180 -3250 -3360

3550 3630 3560 3750 3550

-2780 -2290 -3080 -2890 -2760

21 22 23 24 25

3810 4020 4070 4020 3920

-4110 -4620 -4570 -5020 -4770

3210 3250 3330 --3740

-3820 -4050 -4120 ---3810

--3140 3360 -----

---3350 -3430 -----

3340 3740 3630 3470 3620

-4010 -3290 -3310 -3320 -3830

3010 3010 3300 3580 3570

-3400 -3500 -3920 -4180 -3870

3240 3370 3720 3660 3780

-2690 -3380 -3760 -3480 -4090

26 27 28 29 30 31

3920 3920 ----3540 ---

-4580 -4450 -----4310 ---

3140 3310 3280 3280 3270 ---

-3550 -3790 -3330 -3340 -3590 ---

3760 3380 3460 3420 3140 ---

-4020 -3250 -3550 -3440 -3490 ---

3650 3520 ----3700 3510

-3760 -3510 -----2910 -3480

3600 3580 4210 -------

-4030 -5870 -5870 -------

3940 4010 4430 4040 3790 3710

-4340 -3570 -3870 -3310 -3160 -2780

MONTH

---

---

---

---

---

---

---

---

4210

-5870

---

---

OCTOBER

MAX

MIN

NOVEMBER

MAX

MIN

DECEMBER

MAX

MIN

JANUARY

MAX

MIN

FEBRUARY

MAX

MIN

MARCH

63

WACCAMAW RIVER BASIN 02110760 AIW AT MYRTLEWOOD GOLF COURSE AT MYRTLE BEACH, SC--Continued Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

1 2 3 4 5

3770 4090 3520 3540 3650

-2900 -3610 -2370 -3500 -3920

6 7 8 9 10

3860 4130 3970 4140 4410

11 12 13 14 15

MAX

MIN

MAX

MIN

MAX

MIN

MAX

3390 ----3420 3670

-3880 -----4420 -4240

3340 3230 3370 3430 3520

-4490 -4300 -3950 -3900 -4020

3200 3280 3300 3510 3520

-3780 -3920 -3830 -3800 -4020

3480 3480 3510 3580 3500

-3440 -3890 -4050 -3740 -3640

3280 3440 3350 3410 3590

-4430 -4190 -4440 -4560 -4310

-3610 -3930 -4000 -4640 -4200

3870 3460 3480 3470 3460

-3840 -4730 -4420 -4190 -4210

3550 3580 3580 3590 3520

-3840 -3490 -3560 -3320 -3380

3550 3390 3860 3190 3290

-4000 -3720 -3780 -3800 -3440

3470 3560 3600 3560 3380

-3740 -3600 -3330 -3460 -3610

3590 3560 3430 3500 3460

-4520 -4620 -4510 -4240 -4300

4430 4270 4200 4060 3910

-3500 -3420 -3320 -3320 -2550

3270 ---------

-3600 ---------

3480 3420 3300 3410 3190

-3650 -3220 -3220 -3230 -3180

3150 3180 3050 3100 ---

-3160 -3080 -3230 -3310 ---

3360 3200 3440 3320 3440

-3550 -3510 -3290 -3540 -3770

3410 3260 3460 3890 3290

-4470 -4820 -5500 -4120 -4670

16 17 18 19 20

3770 3950 3720 3190 ---

-3040 -3130 -2370 -2380 ---

----3170 3250 3190

-----3610 -3690 -3710

3300 3690 3640 3600 3920

-3560 -3910 -4410 -4820 -4760

--3430 3620 3620 3500

---3520 -4030 -4290 -4390

3580 3380 3520 3700 3840

-4060 -4290 -5010 -5410 -5140

3460 3770 3620 3830 3690

-5560 -5440 -5220 -5230 -5560

21 22 23 24 25

----3600 --3490

-----4010 ---3890

3130 3520 3610 3380 3600

-4350 -4260 -4720 -4850 -4750

3960 3760 3530 3570 3550

-4890 -4470 -4450 -4410 -4350

3510 3400 3590 3710 3690

-4700 -4670 -4920 -5130 -4700

3680 3660 3560 3700 3870

-4950 -4920 -4880 -4380 -4150

3510 3500 3210 3210 3350

-5040 -4920 -4410 -4170 -4150

26 27 28 29 30 31

------3500 3630 ---

-------3410 -3570 ---

3620 3590 3500 3290 3430 3240

-4440 -4330 -4050 -4200 -3690 -4240

3480 3240 3210 3010 3330 ---

-4330 -4110 -3890 -3920 -3870 ---

3590 3190 3220 3280 3280 3200

-4430 -4210 -3780 -3670 -3830 -3370

3860 3790 3590 3570 3530 3590

-4590 -3760 -4080 -4260 -4100 -4340

3370 3250 3380 3350 3390 ---

-3770 -3890 -4240 -4150 -4190 ---

MONTH

---

---

---

---

3960

-4890

---

---

3870

-5410

3890

-5560

APRIL

MAY

JUNE

JULY

MIN

AUGUST

MAX

MIN

SEPTEMBER

64

WACCAMAW RIVER BASIN 02110760 AIW AT MYRTLEWOOD GOLF COURSE AT MYRTLE BEACH, SC--Continued WATER-QUALITY RECORDS

PERIOD OF RECORD.--Water years 1986 to 1989, to current year. PERIOD OF DAILY RECORD.-SPECIFIC CONDUCTANCE: February 1986 to September 1989, February 1994 to current year. pH: February 1986 to September 1989 (discontinued). WATER TEMPERATURE: February 1986 to September 1989 (discontinued). DISSOLVED OXYGEN: February 1986 to September 1989 (discontinued). INSTRUMENTATION.--Water-quality multiprobe and data collection platform. REMARKS.--Specific conductance records rated excellent except for Aug. 8-19, which are good, and Aug. 20-23, Sep. 22-30, which are fair. EXTREMES FOR PERIOD OF DAILY RECORD.-SPECIFIC CONDUCTANCE: Maximum, 293 microsiemens, Nov. 26, 1996; minimum, 32 microsiemens, Sep. 19, 20, 22, 1996. pH: Maximum, 8.0 units, Aug. 22, 1988; minimum, 5.2 units, Sept. 22, 1987. WATER TEMPERATURE: Maximum, 33.0°C, Jul. 21, 1986, Jul. 11, 1987; minimum, 6.0°C, Jan. 29, 1987, Dec. 18, 19, 1988. DISSOLVED OXYGEN: Maximum, 11.7 mg/L, Jan. 21, 1988; minimum, 1.1 mg/L, Sep. 30, 1989. EXTREMES FOR CURRENT YEAR.-SPECIFIC CONDUCTANCE: Maximum, 201 microsiemens, Sep. 16-18; minimum, 79 microsiemens, Oct. 1. Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

MEAN

MAX

OCTOBER

MIN

MEAN

MAX

NOVEMBER

MIN

MEAN

MAX

DECEMBER

MIN

MEAN

JANUARY

1 2 3 4 5

92 96 97 99 103

79 87 82 89 88

84 90 87 93 93

115 --118 126 122

102 --104 106 106

107 --110 115 113

136 137 133 130 133

125 123 122 123 124

130 129 127 126 129

120 120 119 120 122

113 112 113 114 114

116 116 116 116 118

6 7 8 9 10

96 91 89 87 94

85 85 85 82 82

89 87 87 85 85

120 118 122 122 122

106 105 106 108 107

113 111 113 114 113

133 137 138 142 141

126 129 130 129 130

129 132 134 135 135

124 127 130 134 134

115 117 120 121 120

119 122 124 126 125

11 12 13 14 15

92 86 87 87 89

82 83 82 83 82

85 84 84 84 85

123 127 139 144 143

107 113 124 125 125

113 120 131 134 134

142 148 146 146 139

131 132 132 128 126

136 140 138 136 131

132 132 136 141 148

118 117 120 122 131

124 124 127 133 141

16 17 18 19 20

90 90 93 94 97

81 82 84 85 86

85 85 87 88 91

141 140 138 137 137

124 122 122 123 126

132 131 130 130 131

134 130 127 126 ---

124 122 120 118 ---

129 126 123 122 ---

150 141 129 123 118

130 120 115 112 111

139 131 120 117 113

21 22 23 24 25

103 105 103 104 106

90 92 92 93 95

95 97 97 97 100

137 138 137 138 136

123 122 123 125 120

130 130 129 131 127

--124 123 123 ---

--116 115 116 ---

--119 118 119 ---

118 118 114 118 116

111 110 109 110 109

114 113 111 113 112

26 27 28 29 30 31

111 116 119 120 119 114

101 104 107 106 105 102

105 109 112 112 110 107

134 138 141 142 141 ---

121 124 130 128 129 ---

128 131 136 135 135 ---

129 131 131 128 124 122

115 120 120 118 114 113

123 125 126 122 119 117

118 116 ----113 114

112 109 ----109 109

114 112 ----111 111

MONTH

120

79

93

---

---

---

---

---

---

---

---

---

65

WACCAMAW RIVER BASIN 02110760 AIW AT MYRTLEWOOD GOLF COURSE AT MYRTLE BEACH, SC--Continued Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

114 --118 121 123

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

MIN

107 --107 113 115

110 --111 118 119

130 --127 129 127

119 --120 119 119

125 --124 123 122

125 126 124 122 119

112 112 113 110 107

117 120 117 115 111

114 ----113 113

102 ----99 98

108 ----105 104

124 119 116 116 115

113 110 108 107 108

117 113 111 110 111

127 125 ----125

120 118 ----118

122 121 ----121

117 116 119 118 116

106 104 107 103 101

110 109 112 109 106

119 123 130 130 128

104 109 113 110 107

111 114 118 118 115

11 12 13 14 15

116 116 116 117 117

108 110 111 111 112

111 113 113 114 115

124 120 119 120 122

116 112 114 115 112

119 116 116 117 116

110 107 102 101 103

98 97 96 96 97

102 98 99 99 99

126 ---------

105 ---------

113 ---------

16 17 18 19 20

123 ----124 122

115 ----115 113

118 ----118 117

132 130 133 125 119

112 122 120 117 110

117 126 126 121 114

104 105 102 103 ---

96 96 95 96 ---

99 99 97 98 ---

----141 141 136

----116 119 119

----127 126 126

21 22 23 24 25

121 133 135 136 131

114 118 121 122 120

117 125 127 127 125

115 118 127 --126

109 112 116 --116

112 115 121 --120

----109 --111

----98 --100

----102 --103

148 147 145 150 153

122 126 122 122 121

132 137 131 134 135

26 27 28 29 30 31

129 126 134 -------

119 116 123 -------

123 121 130 -------

125 ----132 129 126

117 ----117 115 112

121 ----122 120 118

112 ----114 116 ---

100 ----101 102 ---

104 ----107 107 ---

155 145 136 131 132 137

118 119 115 115 117 123

132 128 124 122 125 130

MONTH

---

---

---

---

---

---

---

---

---

---

---

---

Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN

MEAN

FEBRUARY

DAY

MIN MARCH

JUNE

MIN APRIL

JULY

MEAN

MAY

AUGUST

SEPTEMBER

1 2 3 4 5

145 145 143 157 143

124 125 125 127 128

136 136 135 133 135

130 124 120 111 110

111 106 100 100 99

119 114 108 104 103

137 134 132 127 119

120 120 113 108 105

129 126 125 114 111

125 123 122 127 126

111 108 106 106 106

116 114 113 114 115

6 7 8 9 10

136 130 116 111 118

117 104 101 103 108

127 113 105 107 112

115 114 121 125 121

103 103 107 110 109

106 107 112 115 114

116 114 113 115 121

105 105 106 103 110

109 109 109 111 114

131 131 129 131 129

107 107 106 105 105

117 117 115 115 114

11 12 13 14 15

119 118 115 114 114

107 107 105 102 100

112 112 110 109 108

122 119 119 121 ---

111 111 111 112 ---

114 114 114 116 ---

123 114 105 102 106

109 97 94 93 95

116 108 99 97 99

131 139 164 181 182

108 110 120 142 143

117 123 136 156 164

16 17 18 19 20

112 109 108 106 102

98 96 92 88 87

104 102 99 96 93

--122 125 125 127

--109 109 109 111

--113 114 114 115

108 113 115 118 118

96 94 101 102 101

100 101 105 108 107

201 201 201 190 183

164 159 154 156 152

180 182 175 170 169

21 22 23 24 25

101 103 111 117 123

88 89 92 97 97

93 95 98 105 107

133 133 136 140 142

111 113 115 116 115

118 120 122 125 123

119 114 153 141 132

99 98 95 103 108

105 105 104 109 122

178 177 170 161 157

147 144 138 128 121

162 158 153 144 137

26 27 28 29 30 31

121 114 115 124 130 ---

99 94 95 97 109 ---

106 103 104 109 119 ---

129 129 122 125 121 127

112 107 107 108 108 111

118 116 114 115 114 118

135 131 124 125 120 122

110 108 107 105 106 108

120 115 114 114 111 112

146 132 138 129 136 ---

117 110 111 108 109 ---

131 121 124 118 120 ---

MONTH

157

87

111

---

---

---

153

93

111

201

105

136

66

WACCAMAW RIVER BASIN 02110770 AIW AT GRAND STRAND AIRPORT AT NORTH MYRTLE BEACH, SC

LOCATION.--Lat 33°49'19'', long 78°42'57'', Horry County, Hydrologic Unit 03040207, at east bank of Atlantic Intracoastal Waterway, 1000 ft northwest of north end of runway, 9.5 mi south of junction of Little River Inlet, and at AIW mile 351.5. PERIOD OF RECORD.-SPECIFIC CONDUCTANCE: Water years 1987 to current year. INSTRUMENTATION.--Water-quality multiprobe and data collection platform. REMARKS.--Specific conductance records excellent. Prior to Oct. 1, 1990, values less than 100 microsiemens were not recordable. EXTREMES FOR PERIOD OF DAILY RECORD.-SPECIFIC CONDUCTANCE: Maximum, 49,400 microsiemens, Sep. 22, 1989; minimum, 42 microsiemens, Aug. 30, 31, 1992. EXTREMES FOR CURRENT YEAR.-SPECIFIC CONDUCTANCE: Maximum, 20,500 microsiemens, Sep. 13; minimum, 98 microsiemens, Oct. 1, 10, 17. Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

128 128 122 120 120

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

98 108 104 102 108

108 115 109 109 114

396 1100 484 6070 5720

134 138 142 152 144

167 240 189 911 665

196 246 184 182 178

152 150 148 144 144

164 165 158 155 152

166 160 168 172 172

138 136 134 134 134

145 144 144 143 142

126 116 116 112 108

108 104 106 102 98

114 109 109 106 102

640 388 714 974 1330

144 144 142 150 144

243 190 242 316 336

186 198 202 452 1590

144 146 146 150 154

156 158 161 194 338

418 874 2690 2390 3830

134 136 140 142 146

168 231 492 500 574

11 12 13 14 15

108 108 108 114 124

100 100 100 100 102

102 103 105 106 112

2130 5010 1920 5130 5760

144 144 144 148 154

387 802 394 838 848

1240 4420 4590 3360 2380

154 156 162 160 156

285 751 668 584 440

2540 2720 4780 1400 838

142 144 148 150 150

482 488 748 359 253

16 17 18 19 20

110 124 130 124 142

100 98 106 106 108

106 109 117 114 121

3540 2670 2080 1240 702

156 156 156 164 160

590 460 404 333 270

1010 344 206 174 160

152 146 140 138 136

261 187 156 146 143

658 348 206 298 200

156 152 148 136 130

231 179 162 162 145

21 22 23 24 25

582 836 556 540 522

114 124 128 128 126

171 209 189 206 214

560 1300 1870 2150 1010

158 160 164 160 152

253 401 385 411 252

520 234 344 206 1070

138 138 136 134 136

178 154 159 150 236

238 186 134 226 212

128 130 124 126 128

145 140 128 141 143

26 27 28 29 30 31

570 568 644 676 436 224

126 126 132 136 140 132

201 198 206 204 182 152

912 2960 306 446 510 ---

148 152 148 146 156 ---

262 522 173 185 199 ---

734 166 288 190 176 174

140 136 144 144 140 138

205 145 160 153 150 148

212 146 142 136 140 134

128 128 126 124 124 124

141 133 131 129 128 128

MONTH

836

98

139

6070

134

396

4590

134

234

4780

124

238

OCTOBER

MIN NOVEMBER

MIN DECEMBER

MIN

MEAN

JANUARY

67

WACCAMAW RIVER BASIN 02110770 AIW AT GRAND STRAND AIRPORT AT NORTH MYRTLE BEACH, SC--Continued Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

136 182 626 188 470

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

MIN

126 126 126 126 130

130 136 168 139 166

154 162 188 348 186

140 142 144 144 140

144 148 153 168 149

172 188 158 158 158

136 136 136 136 130

157 151 148 144 145

304 504 848 754 1130

128 132 142 150 148

156 196 267 267 319

1450 654 776 636 230

136 134 130 128 126

268 188 203 190 147

298 270 430 498 326

138 138 136 134 136

161 156 167 193 178

148 146 146 146 142

128 124 124 126 122

137 134 134 133 129

368 1240 3440 1920 1680

140 142 154 160 168

177 274 499 385 310

11 12 13 14 15

284 308 240 164 146

126 130 130 128 130

151 160 148 137 136

194 174 186 250 214

134 130 132 134 132

143 138 142 147 144

136 124 128 124 126

116 112 114 114 112

121 118 118 118 117

1300 676 340 970 324

160 162 164 162 156

258 221 200 263 188

16 17 18 19 20

164 514 462 242 226

136 138 144 142 140

145 186 187 162 158

154 142 148 152 146

132 132 140 136 128

138 137 144 145 137

128 126 126 122 128

112 112 110 110 110

118 119 115 115 120

236 946 3440 2500 2490

150 154 174 190 192

175 294 783 579 496

21 22 23 24 25

258 214 704 1270 324

140 138 142 150 150

158 160 260 304 186

142 150 150 152 208

126 128 130 134 140

132 135 136 141 152

234 152 140 178 176

116 116 116 116 116

133 128 129 128 128

9410 6430 4240 10200 13400

192 224 180 204 224

1660 1310 689 1670 1920

26 27 28 29 30 31

358 1430 3400 -------

148 146 144 -------

186 198 521 -------

190 170 154 150 174 178

142 140 138 134 138 142

153 147 144 143 153 164

414 414 268 308 422 ---

118 120 124 124 124 ---

139 143 141 148 160 ---

13400 8880 4430 1080 1470 1710

218 196 174 172 176 174

1910 1220 644 317 490 504

MONTH

3400

126

188

498

126

149

422

110

132

13400

128

601

Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN

MEAN

FEBRUARY

DAY

MIN MARCH

JUNE

MIN APRIL

JULY

MEAN

MAY

AUGUST

SEPTEMBER

1 2 3 4 5

3180 1010 878 400 270

180 186 178 172 164

797 342 277 207 186

1770 1150 1240 318 200

168 164 160 142 134

380 296 290 180 150

700 1050 398 320 340

172 176 166 164 162

254 286 213 189 187

1020 658 460 1190 1340

152 162 166 170 178

255 236 219 346 375

6 7 8 9 10

236 206 200 190 172

168 154 140 132 132

180 173 162 148 144

190 284 264 230 230

130 130 134 136 144

144 150 155 155 160

274 266 228 168 166

160 162 156 142 146

180 179 167 157 154

1540 1390 1070 1660 2780

182 186 186 188 182

455 419 337 408 545

11 12 13 14 15

162 166 158 152 ---

140 140 136 136 ---

147 149 145 142 ---

272 190 182 194 232

148 150 146 150 144

165 161 158 165 163

204 224 -------

148 152 -------

162 167 -------

3940 9390 20500 10700 1680

176 182 270 244 236

678 1970 6250 3070 493

16 17 18 19 20

--1190 1370 2430 2000

--140 140 136 132

--264 288 457 368

256 474 988 1340 2600

142 146 140 142 146

161 185 249 292 470

------2910 2070

------156 154

------524 393

8150 7120 3650 1880 3740

308 310 320 246 236

1880 1810 1020 643 691

21 22 23 24 25

2050 2300 7510 11000 12900

128 132 142 192 228

353 363 735 1580 2060

7760 8460 8460 8540 4880

160 186 192 214 182

1050 1250 1310 1540 842

1270 1270 796 288 280

156 154 150 144 148

351 328 248 171 175

2910 4200 2620 2060 5050

222 220 222 214 204

570 715 532 426 813

26 27 28 29 30 31

8120 1200 1630 1360 2010 ---

176 162 158 164 166 ---

1190 349 422 438 402 ---

1050 2110 1930 2860 1080 3380

166 164 170 168 174 158

362 477 432 512 301 322

224 186 178 380 550 270

160 160 148 152 154 148

173 173 158 178 198 172

1120 3930 5500 1540 4780 ---

204 190 194 184 184 ---

365 559 917 346 743 ---

MONTH

---

---

---

8540

130

407

---

---

---

20500

152

936

68

WACCAMAW RIVER BASIN 02110777 AIW AT HIGHWAY 9 AT NIXONS CROSSROADS, SC

LOCATION.--Lat 33°51'05'', long 78°39'22'', Horry County, Hydrologic Unit 03040207, on bridge fender near center of channel under Hwy. 9 bridge of the Atlantic Intracoastal Waterway, 0.5 mi southeast of Nixons Crossroads, 5.2 mi south of junction of Little River Inlet and at AIW mile 347.3. DRAINAGE AREA.--Indeterminate. GAGE-HEIGHT RECORDS PERIOD OF RECORD.--October 1989 to current year. GAGE.--Data collection platform. Datum of gage is 11.72 ft below NGVD of 1929. Prior to August 26, 2003 at site 250 ft upstream at same datum. REMARKS.--Gage height tidally affected. Discharge records for the 1990-2000 water years were computed by utilization of the One-Dimensional unsteady flow simulation model (BRANCH) and are rated poor. EXTREMES FOR PERIOD OF RECORD.--Maximum gage height, 18.37 ft, Oct. 8, 1996; minimum gage height, 8.42 ft, Jan. 1, 1990. EXTREMES FOR CURRENT YEAR.--Maximum gage height, 16.95 ft, Feb. 27; minimum gage height, 8.89 ft, Sep. 12. Gage height, feet WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

15.99 15.66 15.15 --14.90

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

11.11 11.22 11.05 --11.56

13.41 13.23 13.01 --12.99

14.70 14.69 14.37 14.92 14.62

10.64 11.01 11.02 11.51 10.75

12.60 12.76 12.59 13.03 12.45

14.61 14.54 14.07 13.92 13.91

10.54 10.46 10.54 10.72 10.66

12.34 12.53 12.30 12.20 12.03

14.05 14.00 13.95 14.12 14.32

10.31 10.41 10.58 10.34 10.04

12.04 12.17 12.17 12.05 12.03

14.93 14.93 15.24 15.10 15.45

11.67 11.66 11.67 11.40 11.28

13.15 13.14 13.36 13.27 13.27

14.21 14.02 14.27 14.64 15.13

10.82 10.50 10.39 10.53 10.53

12.56 12.35 12.34 12.76 12.87

14.03 14.34 14.33 14.84 15.65

10.32 10.28 9.91 10.09 10.14

12.13 12.28 12.15 12.42 12.65

14.57 14.93 15.72 15.90 16.41

9.98 10.17 10.07 9.87 10.19

12.22 12.44 12.88 12.95 12.99

11 12 13 14 15

15.70 16.16 16.35 15.99 16.48

11.30 11.34 11.35 10.91 11.02

13.42 13.68 13.78 13.45 13.33

15.53 15.98 15.40 16.12 16.18

10.37 10.41 10.06 10.25 10.38

12.88 13.04 12.59 12.94 12.99

15.22 15.42 15.42 15.44 15.40

9.65 9.04 9.53 9.44 9.52

12.05 12.29 12.10 12.17 12.23

16.20 15.98 15.99 15.52 15.23

9.87 9.92 10.08 9.64 10.32

12.85 12.67 12.74 12.43 12.66

16 17 18 19 20

15.91 15.73 15.43 15.27 15.03

10.44 10.21 10.57 10.59 10.62

12.90 12.68 12.76 12.63 12.60

15.89 15.42 15.31 15.02 14.92

10.52 10.51 10.58 10.72 10.60

12.87 12.74 12.71 12.73 12.73

15.30 15.07 14.87 14.63 14.29

10.18 10.40 10.56 10.28 9.90

12.52 12.46 12.57 12.50 11.77

15.06 15.27 14.88 15.15 14.86

10.90 10.82 11.04 10.85 10.71

12.96 12.75 12.77 13.02 12.91

21 22 23 24 25

15.86 16.19 16.33 16.41 16.22

11.10 11.38 11.31 11.24 11.25

13.24 13.68 13.84 13.93 13.88

14.79 15.10 15.30 15.52 15.47

10.59 10.69 10.64 10.68 10.24

12.69 13.04 13.04 13.17 12.51

14.89 14.48 14.97 14.29 15.20

10.23 10.50 9.94 9.89 10.51

12.51 12.45 12.55 12.41 13.04

15.10 15.40 14.32 15.09 15.04

10.91 10.77 10.22 10.15 10.43

13.05 13.28 11.93 12.88 12.91

26 27 28 29 30 31

16.15 16.12 15.99 15.95 15.69 15.00

11.19 11.01 10.92 11.04 11.02 10.77

13.74 13.54 13.40 13.36 13.15 12.68

14.95 15.45 14.52 14.99 14.98 ---

10.04 10.51 10.42 10.27 10.68 ---

12.60 13.05 12.43 12.46 12.73 ---

15.69 14.85 15.19 14.81 14.49 14.29

10.78 10.62 10.63 10.56 10.27 10.36

12.90 12.59 12.73 12.45 12.19 12.07

15.66 15.13 15.15 15.33 15.14 14.86

10.96 10.69 10.78 10.82 10.94 10.98

13.07 12.83 12.80 13.02 12.96 12.92

---

---

---

16.18

10.04

12.74

15.69

9.04

12.37

16.41

9.64

12.69

OCTOBER

MONTH

MIN NOVEMBER

MIN DECEMBER

MIN

MEAN

JANUARY

69

WACCAMAW RIVER BASIN 02110777 AIW AT HIGHWAY 9 AT NIXONS CROSSROADS, SC--Continued Gage height, feet WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

15.01 15.46 15.81 15.65 16.04

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MIN

MEAN

MAX

MIN

11.32 11.49 10.86 10.81 10.91

13.12 13.25 13.33 13.18 13.53

14.39 13.80 14.07 14.65 14.34

9.79 9.95 10.37 10.44 9.69

11.80 11.81 12.07 12.28 11.83

15.23 16.08 13.47 14.54 15.02

11.02 9.90 9.85 10.43 10.35

12.80 12.64 11.62 12.43 12.74

14.86 15.04 15.37 15.38 15.69

10.42 10.73 10.69 10.67 10.61

12.49 12.77 13.05 13.09 13.22

16.39 16.36 16.56 16.38 16.06

10.83 10.72 10.46 10.27 10.23

13.55 13.39 13.36 13.22 12.87

14.70 14.64 15.33 -----

9.88 9.95 9.48 -----

12.26 12.29 12.25 -----

15.36 15.50 15.99 16.40 16.30

10.29 10.24 10.27 10.50 10.85

12.86 12.91 13.02 13.18 13.36

15.34 15.82 15.95 15.58 15.33

10.16 10.45 10.61 10.59 10.75

12.72 12.96 13.06 12.97 12.91

11 12 13 14 15

15.55 15.57 14.96 14.77 14.27

10.00 10.46 10.50 10.45 10.23

12.77 12.94 12.72 12.33 12.04

14.90 14.84 14.95 14.74 14.63

9.87 9.00 9.81 10.40 10.54

12.35 12.02 12.26 12.36 12.50

15.78 15.75 15.53 15.38 15.28

10.89 11.06 11.24 11.56 11.78

13.24 13.18 13.22 13.32 13.35

14.97 14.49 14.77 14.77 14.49

10.70 10.69 10.80 11.07 11.09

12.69 12.51 12.57 12.65 12.48

16 17 18 19 20

14.12 14.17 14.43 13.93 13.99

10.57 10.91 10.34 10.27 10.17

12.22 12.50 12.15 12.11 12.03

14.67 15.00 14.88 15.12 14.63

10.93 11.33 11.62 11.57 10.87

12.75 13.01 13.17 13.21 12.72

15.30 15.43 14.84 14.09 14.22

11.95 11.80 11.08 10.87 10.49

13.44 13.42 12.83 12.52 12.42

14.06 14.15 14.63 14.80 15.18

10.92 11.01 11.05 10.86 10.73

12.36 12.59 12.91 12.88 12.90

21 22 23 24 25

14.23 14.16 14.78 15.39 ---

10.17 10.12 10.48 10.79 ---

12.11 12.23 12.75 12.93 ---

14.12 14.58 15.01 14.89 15.62

10.80 10.91 10.72 10.22 10.76

12.50 12.90 12.82 12.57 13.16

14.46 15.11 14.83 15.03 15.02

10.46 10.46 10.39 9.84 10.07

12.42 12.67 12.71 12.33 12.32

15.92 15.84 15.85 16.09 16.64

10.65 10.79 10.17 10.47 10.84

13.09 13.22 12.80 13.15 13.37

26 27 28 29 30 31

15.27 16.95 16.53 -------

10.84 10.81 10.55 -------

13.09 13.27 13.39 -------

15.97 15.64 16.06 15.21 15.18 15.13

10.90 10.88 10.69 10.15 10.82 10.73

13.31 13.46 13.07 12.43 12.79 12.72

15.48 14.98 15.12 15.10 15.37 ---

10.11 9.95 10.28 10.59 10.53 ---

12.43 12.36 12.42 12.57 12.57 ---

16.19 15.89 15.88 15.29 15.23 15.34

10.76 10.75 10.68 10.48 10.53 10.76

13.29 13.06 12.84 12.67 12.91 13.08

MONTH

---

---

---

---

---

---

16.40

9.84

12.78

16.64

10.16

12.88

DAY

MAX

MIN

MEAN

MAX

Gage height, feet MIN MEAN MAX

MIN

MEAN

MAX

MIN

MEAN

FEBRUARY

MIN MARCH

JUNE

APRIL

JULY

MEAN

MAY

AUGUST

SEPTEMBER

1 2 3 4 5

15.75 15.47 15.28 15.49 15.49

11.07 10.77 10.61 10.61 10.65

13.41 13.18 12.98 12.94 12.90

14.95 14.88 15.19 15.15 15.14

10.41 10.29 10.58 10.79 10.75

12.59 12.65 12.76 12.82 12.77

14.88 15.32 --14.99 15.09

10.70 10.80 --10.52 10.66

12.56 12.86 --12.67 12.72

15.07 14.98 14.88 15.36 15.24

10.87 10.85 10.62 10.76 10.94

12.81 12.86 12.68 13.01 13.14

6 7 8 9 10

15.33 15.19 15.28 14.89 14.86

10.67 10.69 10.83 10.89 10.93

12.83 12.75 12.80 12.75 12.75

14.91 15.13 14.52 14.54 14.48

10.58 10.64 10.23 10.53 10.66

12.65 12.66 12.32 12.34 12.46

15.14 14.99 14.75 14.63 14.57

10.76 10.87 10.92 10.86 10.78

12.73 12.85 12.84 12.68 12.68

15.57 15.60 15.50 15.42 15.62

10.49 9.42 11.07 11.16 11.24

13.00 12.88 13.33 13.28 13.15

11 12 13 14 15

14.79 14.71 14.63 14.48 14.30

11.11 11.21 11.18 11.00 10.85

12.77 12.80 12.75 12.63 12.54

14.32 14.24 14.03 14.33 14.49

10.66 10.70 10.52 10.78 10.62

12.42 12.38 12.36 12.61 12.41

14.64 14.57 14.78 14.91 14.89

10.85 10.81 10.74 10.52 10.38

12.73 12.61 12.53 12.59 12.48

15.58 14.79 -------

9.89 8.89 -------

12.93 12.08 -------

16 17 18 19 20

------16.20 16.36

------10.90 10.57

------13.37 13.22

14.58 14.92 15.13 15.18 15.52

10.37 10.23 10.12 9.79 9.64

12.28 12.36 12.40 12.36 12.27

15.31 15.89 16.26 16.25 16.14

10.25 10.21 10.40 10.19 10.20

12.54 12.85 13.20 13.09 13.02

-----------

-----------

-----------

21 22 23 24 25

16.10 15.79 15.92 15.83 15.76

10.35 10.11 9.98 10.31 10.44

13.09 12.75 12.59 12.83 12.85

15.80 15.96 15.88 15.90 15.47

9.64 9.91 10.09 10.23 10.32

12.39 12.62 12.73 12.94 12.74

15.97 15.89 15.59 15.37 15.75

10.18 10.26 10.41 10.57 11.07

13.01 13.00 12.99 12.87 13.41

-----------

-----------

-----------

26 27 28 29 30 31

15.74 15.18 14.75 14.69 14.90 ---

10.45 10.19 10.24 10.32 10.25 ---

12.74 12.44 12.48 12.49 12.48 ---

15.17 14.90 ----14.63 14.47

10.20 10.33 ----10.67 10.39

12.54 12.65 ----12.52 12.38

15.83 15.41 15.17 15.41 15.33 14.92

11.23 11.39 11.21 11.51 11.47 10.91

13.36 13.30 13.12 13.33 13.38 12.86

------15.26 15.60 ---

------11.14 11.16 ---

------13.30 13.39 ---

---

---

---

---

---

---

---

---

---

---

---

---

MONTH

70

WACCAMAW RIVER BASIN 02110777 AIW AT HIGHWAY 9 AT NIXONS CROSSROADS, SC--Continued WATER-QUALITY RECORDS

PERIOD OF RECORD.--Water years 1986 to current year. PERIOD OF DAILY RECORD.-SPECIFIC CONDUCTANCE: April 1986 to current year. pH: April 1986 to September 1989 (discontinued). WATER TEMPERATURE: April 1986 to current year. DISSOLVED OXYGEN: April 1986 to current year. INSTRUMENTATION.--Water-quality multiprobe and data collection platform. REMARKS.--Specific conductance records rated excellent except for Oct. 19-21, Dec. 23 to Jan. 4, June 29, July 16-27, Aug. 27 to Sep. 1, which are good. Temperature records rated excellent. Dissolved oxygen records rated fair except for Oct. 6-21, Dec. 4-25, Jan. 5 to Mar. 4, Mar. 10 to June 22, June 29 to July 6, which are excellent, Dec. 26 to Jan. 4, Mar. 5-9, July 7-14, which are good, and Oct. 1-5, Oct. 22 to Dec. 3, June 23, 24, July 22 to Sep. 30, which are poor. Prior to October 1, 2003 dissolved oxygen concentrations are not corrected for salinity. EXTREMES FOR PERIOD OF DAILY RECORD.-SPECIFIC CONDUCTANCE: Maximum, 59,100 microsiemens, May 4, 1995; minimum, 50 microsiemens, Feb. 10 - 12, 1996. pH: Maximum, 8.5 units, Nov. 3, 1987; minimum, 5.0 units, Nov. 22, 1987. WATER TEMPERATURE: Maximum, 34.0°C, Aug. 1, 1999; minimum, 2.0°C, Dec. 23 - 26, 28, 1989. DISSOLVED OXYGEN: Maximum, 14.6 mg/L, Jan. 28, 1988; minimum, 0.6 mg/L, Sep. 16, 1996. EXTREMES FOR CURRENT YEAR.-SPECIFIC CONDUCTANCE: Maximum, 44,400 microsiemens, Sep. 13; minimum, 107 microsiemens, Oct. 10. WATER TEMPERATURE: Maximum, 32.5°C, July 28; minimum, 5.7°C, Jan. 29. DISSOLVED OXYGEN: Maximum, 11.2 mg/L, Feb. 2; minimum, 2.3 mg/L, Oct. 1. Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

8940 340 216 --23200

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

112 110 112 --112

876 145 131 --2470

24900 27200 26000 29700 30000

186 308 326 1400 218

5780 9690 10100 13500 12100

21000 23900 ----18000

218 202 ----209

4600 5130 ----4250

18000 14300 17100 18800 21100

192 198 203 172 174

2730 3250 4090 3860 3790

23000 20400 22700 192 134

122 115 119 111 107

3090 4250 5000 126 113

24500 24500 24500 26900 29400

416 364 396 508 398

11600 7820 7500 9780 9390

14400 --17200 23700 33400

193 --188 188 235

4050 --3070 5600 8660

27300 27200 40000 40700 42600

174 201 273 290 425

6280 7470 11900 12600 12400

11 12 13 14 15

187 473 9760 479 18700

108 110 112 110 111

118 169 614 181 2070

32800 39600 30300 40900 40600

426 386 346 334 392

9820 13500 9300 13700 14000

29500 41700 37600 40700 37200

262 209 421 304 247

6680 14600 11200 11600 10200

43900 41000 38900 30600 30000

290 275 465 371 359

12300 11600 13800 10500 8740

16 17 18 19 20

11900 15900 20000 19000 21000

113 111 120 122 127

931 1920 2520 2180 2870

36500 31700 31100 27300 24400

372 392 438 484 470

12100 10600 10300 9970 8570

31600 24600 20700 21300 21200

354 261 210 179 175

8860 6060 4160 3990 2740

26900 27000 25500 28200 23700

315 224 220 220 233

9020 6790 6110 11000 7810

21 22 23 24 25

26700 29800 28800 29400 28500

150 256 332 384 416

6560 11100 11100 11400 10900

23000 28000 28600 31100 29900

390 534 822 488 290

7710 11100 10600 11200 6420

27900 21900 26900 23500 31200

254 203 201 178 229

8110 4050 5470 4990 10500

24900 26200 1320 30900 22500

196 198 156 160 259

7890 7800 381 9420 5890

26 27 28 29 30 31

29800 29100 29400 28500 27200 23500

408 342 254 294 280 202

10100 8780 8510 8110 7090 4240

27800 33000 21100 26900 25500 ---

210 360 248 194 218 ---

8820 11900 4120 6440 6780 ---

30000 26200 27700 24300 23100 21900

342 186 173 201 180 187

7210 3800 5550 3860 3500 3620

26800 22100 21800 23100 19500 18100

253 165 161 157 151 153

5800 3140 2700 3260 4020 3110

---

---

---

40900

186

9810

---

---

---

43900

151

7080

OCTOBER

MONTH

MIN NOVEMBER

MIN DECEMBER

MIN

MEAN

JANUARY

71

WACCAMAW RIVER BASIN 02110777 AIW AT HIGHWAY 9 AT NIXONS CROSSROADS, SC--Continued Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

25800 29700 29100 22800 29200

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

MIN

174 174 184 166 166

7010 9030 11000 6420 11800

8770 8140 23800 25400 19000

182 194 210 218 194

915 934 4990 5420 2280

11400 23300 296 15100 14200

148 154 154 156 156

1190 3470 189 1840 1650

24500 25900 27000 25900 29200

200 316 368 358 366

4400 7210 8770 8700 8980

34100 34000 37900 35500 27000

280 226 266 258 244

10600 8290 9130 8960 5040

23600 21000 31600 -----

172 214 222 -----

5070 3480 5400 -----

13900 3070 12300 22600 14400

154 148 148 146 144

1510 591 1340 2540 1620

22000 34100 35500 31000 27400

206 212 410 360 336

4220 7140 10000 10000 8120

11 12 13 14 15

26600 27100 20500 18000 13800

206 250 216 172 170

5770 6960 3990 2170 1390

18400 19000 22000 22500 21900

234 182 192 202 192

2920 2980 3440 3040 2960

9760 1040 1510 2230 15200

142 144 144 150 142

465 201 244 301 2050

27400 23800 21700 24800 20400

275 225 323 245 237

6170 5470 5540 6630 5520

16 17 18 19 20

22000 26200 22600 25800 21400

196 278 238 226 264

6010 10700 7140 7460 5070

17600 21800 23100 28800 25500

170 160 180 190 169

2150 2670 6410 10800 5960

12900 20800 8060 2840 12600

160 176 138 140 140

2440 4850 1230 332 1150

20700 22800 24300 26600 27100

280 441 1750 747 545

6540 10100 13300 12300 11200

21 22 23 24 25

23500 21400 26200 29800 ---

236 188 310 488 ---

4540 4430 8110 8600 ---

14600 19400 12700 11800 18900

168 174 188 170 194

2080 3470 1590 1620 4300

11000 20500 11900 19700 22400

146 162 158 148 158

1280 2600 1610 2670 2920

38400 35100 38100 37800 42200

798 1320 387 2130 2930

13200 17000 11500 16200 17900

26 27 28 29 30 31

21800 34200 38200 -------

398 312 304 -------

6480 6300 11400 -------

18700 9220 2590 12900 15900 12700

192 176 162 164 162 150

3900 1950 321 636 1430 1120

29400 29400 20900 26400 27200 ---

164 168 178 186 180 ---

3740 3280 2980 4550 4900 ---

42200 39600 33700 26700 27700 27800

942 585 389 411 670 832

18100 13900 10300 7620 10600 11500

---

---

---

---

---

---

29400

138

1990

42200

200

9940

Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN

MEAN

FEBRUARY

MONTH

DAY

MIN MARCH

JUNE

MIN APRIL

JULY

MEAN

MAY

AUGUST

SEPTEMBER

1 2 3 4 5

30200 27300 27200 23500 22400

1760 674 348 264 197

14300 11100 7770 5600 3820

26100 25100 26100 21400 20000

344 318 274 220 164

9090 8130 7580 5270 3690

27600 27500 23900 23100 21900

242 288 246 214 218

6980 9110 7550 4700 4740

25400 22700 21800 25200 25400

220 298 220 386 642

6140 7530 5460 8180 10300

6 7 8 9 10

21900 18700 18800 14200 14200

197 191 179 166 156

3210 2610 2320 1650 1300

19800 23600 17400 18900 18900

160 155 173 184 205

3370 3730 3000 3030 3430

19700 15800 15800 3930 10000

200 228 178 164 166

3800 3090 1690 538 1650

27800 28700 29100 28400 30200

1150 1490 634 588 362

13100 13200 13000 13200 12900

11 12 13 14 15

12100 13400 11400 16400 13800

159 161 159 159 153

1350 1430 1700 2580 2950

18300 14500 15600 19000 18000

185 179 173 219 184

2940 2960 3360 4950 4440

17100 16400 20400 23000 24200

169 179 173 180 170

3030 3560 3380 4880 5020

31700 36300 44400 36000 38100

382 578 13800 392 332

13800 17400 28800 15000 7960

16 17 18 19 20

------35200 36400

------228 212

------9800 10100

18400 25400 29100 33800 39500

168 173 183 200 236

3580 4940 6770 8210 9500

31300 38300 39300 38500 36900

176 266 526 451 373

6890 10500 13600 12500 11300

40200 40300 36000 36600 37100

1910 1990 1540 1260 910

17900 19300 17900 14900 14200

21 22 23 24 25

36300 36600 ----38000

236 218 ----2000

9780 8800 ----16800

43200 42200 40400 40400 39000

411 845 1440 2150 715

12700 15900 16600 18500 14500

32000 31600 27800 21600 22300

476 516 348 190 190

10800 9930 7480 3860 5280

34500 ---------

626 ---------

12900 ---------

26 27 28 29 30 31

34900 29100 25900 24600 26500 ---

538 485 650 691 335 ---

12400 8580 9470 9850 8410 ---

29000 30400 29900 31300 25800 22400

504 689 538 676 400 258

10100 11500 11400 12700 10400 5950

22100 19500 20800 25900 24600 21600

197 206 175 201 268 191

5570 5110 3360 8430 10300 6010

------30000 32500 ---

------630 2220 ---

------16000 15400 ---

---

---

---

43200

155

7810

39300

164

6280

---

---

---

MONTH

72

WACCAMAW RIVER BASIN 02110777 AIW AT HIGHWAY 9 AT NIXONS CROSSROADS, SC--Continued Temperature, water, degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

25.0 25.0 25.1 --25.1

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

24.3 24.2 24.4 --24.0

24.6 24.6 24.7 --24.6

21.4 22.0 22.1 22.3 22.2

20.2 20.7 21.3 21.5 21.1

20.8 21.4 21.7 22.0 21.7

14.9 14.8 ----13.9

14.3 13.9 ----12.8

14.6 14.3 ----13.3

8.8 9.2 9.6 10.2 10.9

7.7 8.2 8.7 9.3 10.0

8.2 8.7 9.2 9.7 10.4

24.8 24.5 23.9 23.2 22.9

23.7 22.9 22.4 22.5 22.5

24.1 23.4 23.0 22.9 22.7

21.5 20.3 19.9 19.1 17.7

20.1 19.5 19.0 17.7 16.7

20.8 19.9 19.4 18.4 17.1

13.5 --15.5 15.8 16.5

13.1 --14.6 15.2 15.6

13.3 --14.9 15.5 16.0

11.7 12.5 13.2 13.3 13.6

10.9 11.6 12.2 12.6 12.6

11.2 12.0 12.8 13.1 13.2

11 12 13 14 15

23.0 22.7 23.2 22.8 22.4

22.3 22.3 22.4 22.2 21.1

22.7 22.5 22.8 22.5 21.8

16.8 17.1 17.1 16.4 15.2

16.0 16.5 16.4 15.0 14.0

16.5 16.8 16.8 15.4 14.6

16.2 15.1 14.2 13.5 12.3

15.1 14.0 13.1 12.2 10.8

15.7 14.4 13.6 12.6 11.3

13.5 13.5 14.3 14.6 14.1

12.4 12.6 13.1 14.0 12.6

13.2 13.2 13.6 14.3 13.0

16 17 18 19 20

21.1 20.7 21.1 21.9 22.7

20.3 19.9 20.3 20.8 21.3

20.7 20.3 20.7 21.4 21.8

14.6 14.1 14.2 14.8 15.6

13.8 13.5 13.6 14.1 14.6

14.1 13.9 14.0 14.4 15.1

10.9 10.5 10.8 10.8 10.8

9.8 9.9 10.3 10.3 8.9

10.2 10.1 10.5 10.6 9.6

12.6 11.4 10.3 9.0 8.6

11.3 10.3 9.0 8.1 7.6

11.7 10.6 9.4 8.4 8.1

21 22 23 24 25

22.5 22.0 21.4 20.5 20.0

21.2 20.8 20.2 19.8 19.6

21.8 21.4 20.8 20.1 19.9

16.5 16.9 17.3 17.7 17.8

15.4 16.3 16.6 17.0 16.8

15.9 16.6 16.9 17.3 17.5

8.9 9.3 10.4 10.8 9.6

8.3 8.4 9.1 9.6 9.0

8.6 8.7 9.8 10.1 9.3

9.0 9.1 9.1 7.7 7.3

7.7 8.0 7.6 6.8 6.4

8.4 8.5 8.4 7.1 6.9

26 27 28 29 30 31

20.0 19.9 19.9 19.5 20.1 20.8

19.3 19.3 19.5 19.2 19.0 19.6

19.6 19.6 19.7 19.3 19.5 20.2

16.9 16.1 15.4 15.2 15.0 ---

16.1 14.8 15.1 14.3 13.8 ---

16.3 15.3 15.3 14.7 14.2 ---

9.0 7.6 7.2 7.2 7.7 8.0

7.6 7.0 6.3 6.3 6.9 7.2

8.2 7.2 6.7 6.8 7.3 7.7

7.6 7.9 7.8 6.6 6.5 7.0

6.9 7.4 6.6 5.7 5.9 6.2

7.2 7.7 6.9 5.9 6.2 6.5

MONTH

---

---

---

22.3

13.5

17.2

---

---

---

14.6

5.7

9.8

DAY

MAX

MIN

MEAN

Temperature, water, degrees Celsius MAX MIN MEAN MAX MIN

MEAN

MAX

MIN

MEAN

OCTOBER

MIN NOVEMBER

FEBRUARY

MIN DECEMBER

MARCH

MIN

MEAN

JANUARY

APRIL

MAY

1 2 3 4 5

7.3 7.2 7.1 7.0 7.4

6.6 6.4 6.4 6.3 6.6

6.9 6.8 6.8 6.7 7.0

11.4 10.9 10.6 10.8 11.4

10.7 9.9 9.8 9.6 10.0

11.0 10.4 10.1 10.1 10.7

18.8 18.8 17.6 17.8 18.8

18.0 17.6 16.6 16.1 16.9

18.4 18.3 17.0 17.1 18.0

21.0 21.4 21.4 21.8 21.4

19.6 19.9 20.4 20.4 19.4

20.3 20.7 21.0 21.3 20.4

6 7 8 9 10

7.9 8.9 9.6 9.8 10.1

7.1 7.6 8.3 9.0 9.4

7.5 8.1 8.9 9.4 9.8

11.6 12.4 12.8 -----

10.4 10.9 11.7 -----

11.1 11.7 12.3 -----

20.0 20.0 20.6 20.3 19.9

17.9 19.5 19.4 19.4 19.1

19.2 19.8 19.9 20.0 19.5

19.6 19.6 20.6 21.7 22.6

17.6 17.4 18.4 19.7 20.9

18.7 18.5 19.5 20.7 21.7

11 12 13 14 15

9.8 9.6 9.8 10.4 11.4

8.7 8.1 8.9 9.5 10.0

9.2 9.0 9.3 9.9 10.8

12.2 12.4 13.3 13.1 13.4

11.2 10.7 11.8 12.5 12.2

11.8 11.7 12.5 12.8 12.7

19.9 19.8 19.4 18.7 17.4

18.8 19.3 18.5 17.2 16.3

19.4 19.4 18.9 17.7 16.9

23.8 24.7 24.2 24.9 25.2

21.9 23.0 23.4 23.2 23.8

22.7 23.7 23.9 23.8 24.4

16 17 18 19 20

12.2 12.3 12.2 11.9 11.8

10.6 11.1 11.1 10.5 10.7

11.4 11.7 11.6 11.3 11.5

13.0 11.9 11.2 11.3 12.5

11.9 11.0 10.6 10.3 10.6

12.5 11.4 10.9 10.8 11.6

16.8 16.8 17.5 17.9 18.8

15.8 15.4 15.8 16.8 17.3

16.3 16.0 16.7 17.4 18.1

24.9 24.7 24.6 25.3 25.1

24.0 23.8 23.5 23.9 24.5

24.4 24.3 24.2 24.6 24.8

21 22 23 24 25

12.2 13.4 14.1 13.7 ---

10.9 11.5 12.5 12.8 ---

11.8 12.6 13.4 13.4 ---

13.3 14.2 15.0 16.0 16.4

11.8 12.6 13.8 14.6 15.1

12.7 13.6 14.5 15.3 15.9

19.6 20.4 20.6 19.8 18.7

18.2 18.9 19.8 18.3 17.7

18.9 19.6 20.1 19.1 18.2

24.7 23.8 24.3 24.6 23.5

22.2 21.9 22.8 23.0 21.9

23.6 23.0 23.5 23.8 23.0

26 27 28 29 30 31

12.7 12.3 11.4 -------

11.1 10.3 10.2 -------

12.1 11.8 11.0 -------

17.3 17.1 17.4 17.6 18.5 18.6

15.9 16.7 16.7 16.1 16.7 17.9

16.6 16.9 17.0 16.8 17.6 18.2

18.4 19.6 19.9 20.2 20.4 ---

17.1 17.1 18.6 18.3 19.0 ---

18.0 18.7 19.1 19.4 19.8 ---

24.0 24.5 24.9 25.4 25.2 24.1

21.9 22.7 23.6 24.2 24.1 23.3

22.8 23.5 24.1 24.8 24.5 23.7

MONTH

---

---

---

---

---

---

20.6

15.4

18.5

25.4

17.4

22.7

73

WACCAMAW RIVER BASIN 02110777 AIW AT HIGHWAY 9 AT NIXONS CROSSROADS, SC--Continued Temperature, water, degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

MEAN

MAX

1 2 3 4 5

23.7 23.8 24.5 24.7 25.9

22.5 22.4 23.5 24.0 24.2

MEAN

MAX

6 7 8 9 10

MEAN

MAX

23.1 23.2 24.0 24.3 24.9

30.5 31.0 30.4 30.4 31.0

29.0 29.8 29.8 29.6 29.8

29.7 30.3 30.2 30.0 30.3

29.9 30.1 --30.7 30.7

29.2 29.3 --29.7 29.9

29.6 29.6 --30.2 30.3

30.7 30.6 30.5 30.3 29.5

29.3 29.8 29.6 29.4 28.0

29.9 30.2 30.0 29.6 28.6

26.8 27.6 28.2 29.0 29.0

25.3 26.1 26.9 27.5 28.0

26.0 26.9 27.6 28.3 28.6

31.3 31.4 31.3 31.0 30.7

29.8 30.2 30.0 30.1 29.7

30.5 30.9 30.7 30.5 30.2

30.5 30.0 29.6 28.7 28.9

30.0 29.5 28.7 28.2 28.1

30.2 29.7 29.0 28.4 28.5

28.2 27.3 27.0 27.0 26.8

27.1 26.4 26.1 26.2 25.8

27.6 26.9 26.6 26.6 26.2

11 12 13 14 15

28.9 29.0 29.3 29.5 29.8

27.7 27.9 28.1 28.4 28.5

28.4 28.5 28.7 28.9 29.2

30.3 30.5 30.7 30.2 30.4

30.0 29.5 29.6 29.7 29.4

30.1 30.0 30.1 29.9 29.9

29.6 29.9 30.2 29.8 30.3

28.1 28.4 28.7 28.9 28.6

28.8 29.2 29.4 29.3 29.3

26.1 25.3 25.0 24.6 25.4

24.9 24.4 24.6 24.1 23.8

25.4 24.8 24.8 24.4 24.5

16 17 18 19 20

------28.7 28.0

------26.5 26.1

------28.0 27.4

30.9 31.3 31.4 31.7 31.6

29.8 30.1 30.6 30.3 29.6

30.3 30.7 30.9 30.9 30.9

31.0 30.6 30.2 30.3 31.1

29.4 30.0 29.3 29.2 29.7

30.1 30.3 29.8 29.8 30.3

26.6 27.6 28.0 28.4 28.8

25.0 26.2 27.0 27.3 27.8

25.7 26.8 27.5 27.9 28.3

21 22 23 24 25

28.1 28.3 28.8 --27.9

26.4 26.8 26.9 --26.9

27.3 27.5 27.9 --27.6

31.6 31.5 31.7 31.5 31.6

29.0 29.5 29.7 29.8 30.1

30.7 30.6 30.8 30.7 30.8

31.4 31.6 31.4 30.2 29.8

30.2 30.6 30.1 29.6 28.8

30.8 31.1 30.6 29.9 29.2

29.0 ---------

28.0 ---------

28.4 ---------

26 27 28 29 30 31

28.7 29.3 29.0 29.0 29.4 ---

26.7 28.0 28.7 28.5 28.3 ---

27.6 28.6 28.9 28.7 28.9 ---

32.2 32.4 32.5 --31.9 31.2

30.6 31.4 ----31.0 29.7

31.3 31.8 ----31.4 30.5

29.0 28.2 28.2 28.7 29.4 30.0

28.0 27.1 27.1 27.8 28.3 28.9

28.3 27.7 27.6 28.2 28.7 29.4

------28.3 28.1 ---

------27.7 27.2 ---

------28.0 27.7 ---

MONTH

---

---

---

---

---

---

---

---

---

---

---

---

JUNE

MIN JULY

MIN AUGUST

MIN

MEAN

SEPTEMBER

74

WACCAMAW RIVER BASIN 02110777 AIW AT HIGHWAY 9 AT NIXONS CROSSROADS, SC--Continued

Dissolved oxygen, water, unfiltered, milligrams per liter WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

MEAN

MAX

OCTOBER

MIN

MEAN

MAX

NOVEMBER

MIN

MEAN

MAX

DECEMBER

MIN

MEAN

JANUARY

1 2 3 4 5

3.2 3.5 3.4 --3.7

2.3 2.7 2.7 --3.0

2.6 3.2 3.1 --3.3

6.4 6.2 6.2 -----

5.3 5.0 5.2 -----

5.9 5.7 5.8 -----

--8.4 ----8.3

--7.0 ----7.9

--7.5 ----8.2

10.4 10.2 10.0 10.1 10.0

9.7 9.5 9.2 8.8 9.4

10.1 10.0 9.7 9.7 9.8

6 7 8 9 10

3.8 3.9 4.2 4.5 4.4

3.0 2.5 3.3 3.2 2.9

3.3 3.5 3.8 4.2 4.1

6.3 ------7.4

5.3 ------6.3

5.8 ------6.8

8.3 --8.3 8.1 8.3

7.9 --8.0 7.7 7.5

8.1 --8.2 8.0 7.9

9.9 9.8 9.6 9.5 9.3

9.1 8.8 8.3 8.1 8.0

9.6 9.4 9.1 8.9 8.9

11 12 13 14 15

4.2 4.4 4.3 4.7 5.4

3.4 4.0 3.9 4.0 4.4

3.9 4.1 4.1 4.3 4.9

7.5 7.0 7.6 7.8 8.0

6.1 6.3 6.6 6.4 6.6

6.7 6.7 7.1 7.1 7.2

8.4 8.5 8.9 9.1 9.4

7.4 7.7 8.0 8.1 8.4

8.1 8.1 8.5 8.7 9.0

9.2 9.1 8.9 8.9 9.2

8.0 8.0 7.9 8.0 8.1

8.8 8.7 8.5 8.6 8.8

16 17 18 19 20

5.6 5.7 5.4 5.1 5.0

4.9 4.8 4.5 4.5 4.6

5.3 5.2 4.9 4.8 4.7

8.0 8.0 8.0 7.7 7.8

6.7 6.5 6.6 6.3 6.5

7.2 7.2 7.2 7.1 7.2

9.5 9.5 9.4 9.2 9.6

8.7 9.0 8.9 8.8 9.0

9.3 9.3 9.2 9.0 9.3

9.4 9.6 9.9 9.8 9.6

8.5 8.7 9.0 9.3 9.3

9.1 9.3 9.6 9.5 9.5

21 22 23 24 25

5.4 5.7 6.0 6.4 6.4

4.6 5.1 5.3 5.6 5.5

5.0 5.4 5.7 6.0 6.0

7.8 7.6 7.2 7.3 7.3

6.6 6.4 6.2 6.2 6.2

7.2 6.9 6.9 6.7 7.0

9.9 10.0 9.9 9.9 9.9

9.2 9.3 9.1 9.0 8.9

9.5 9.8 9.7 9.7 9.5

9.6 9.7 10.2 10.2 10.4

9.2 9.3 9.7 9.5 9.8

9.4 9.5 9.9 10.0 10.2

26 27 28 29 30 31

6.3 6.2 6.2 6.0 6.2 6.5

5.5 5.5 5.5 5.4 5.4 5.6

6.0 6.0 5.9 5.7 5.8 6.0

7.9 7.9 8.4 --8.4 ---

6.8 6.6 6.6 --7.1 ---

7.3 7.2 7.4 --7.5 ---

10.4 10.7 10.7 10.4 10.3 10.3

9.4 9.6 9.3 9.3 9.4 9.3

10.0 10.4 10.2 10.1 9.9 10.0

10.4 10.4 10.5 10.9 10.9 10.9

9.6 9.7 9.8 10.1 10.2 10.3

10.2 10.2 10.3 10.7 10.7 10.7

MONTH

---

---

---

---

---

---

---

---

---

10.9

7.9

9.6

DAY

MAX

MIN

MAX

MIN

MEAN

1 2 3 4 5

10.7 11.2 11.1 11.1 11.0

10.1 10.0 10.3 10.4 10.0

10.5 10.7 10.8 10.9 10.6

10.1 10.1 10.1 10.2 10.2

9.5 9.9 9.5 9.5 9.7

9.9 10.0 9.9 9.9 10.0

7.5 8.0 8.1 8.3 8.0

6.6 6.9 7.2 7.7 7.2

6.9 7.3 7.8 7.9 7.6

7.5 7.4 7.3 7.4 7.7

6.8 6.6 6.6 6.6 6.7

7.3 7.1 7.1 7.1 7.3

6 7 8 9 10

11.0 10.9 10.8 10.5 10.3

9.9 9.8 9.5 9.3 9.3

10.6 10.6 10.4 10.2 10.1

10.0 9.9 9.9 -----

9.6 9.5 8.9 -----

9.8 9.8 9.7 -----

7.6 6.9 6.8 7.3 7.1

6.6 6.4 6.4 6.3 6.4

7.0 6.7 6.6 6.5 6.6

8.2 8.1 7.9 7.9 7.6

7.5 7.3 7.1 6.9 6.8

8.0 7.8 7.6 7.5 7.4

11 12 13 14 15

10.3 10.4 10.3 10.2 10.0

9.4 9.6 9.9 9.7 9.4

10.1 10.1 10.2 10.0 9.7

10.0 10.3 10.3 10.2 9.9

9.8 9.8 9.9 9.8 9.7

9.9 10.0 10.0 9.9 9.8

7.0 6.3 6.3 6.4 7.0

6.1 5.9 5.9 6.1 6.4

6.4 6.0 6.1 6.3 6.7

7.5 7.3 7.1 7.2 7.0

6.7 6.5 6.3 5.9 6.1

7.2 7.0 6.9 6.8 6.7

16 17 18 19 20

9.6 9.4 9.4 9.4 9.5

9.2 9.1 9.0 9.0 9.0

9.4 9.3 9.2 9.2 9.4

10.0 10.0 10.0 10.2 10.1

9.6 9.6 9.7 9.5 9.4

9.8 9.8 9.9 9.8 9.6

7.5 8.2 7.7 7.1 7.2

6.8 7.0 6.8 6.9 6.8

7.1 7.5 7.1 7.0 7.1

6.9 6.7 6.7 6.9 6.9

6.1 5.8 5.9 5.5 5.8

6.6 6.4 6.4 6.4 6.4

21 22 23 24 25

9.5 9.4 9.3 9.3 ---

9.1 9.0 8.8 8.6 ---

9.4 9.3 9.2 9.1 ---

9.6 9.6 9.4 9.2 9.0

9.2 9.2 9.2 8.9 8.7

9.4 9.4 9.3 9.1 8.9

7.3 7.3 7.3 7.6 7.7

7.0 6.9 6.9 7.2 7.4

7.2 7.2 7.2 7.4 7.6

7.0 7.0 7.2 6.9 6.9

5.8 5.5 5.8 5.6 5.4

6.4 6.3 6.7 6.5 6.4

26 27 28 29 30 31

9.5 9.7 9.9 -------

8.8 9.0 9.0 -------

9.3 9.4 9.5 -------

8.8 8.6 8.4 8.5 8.6 8.2

8.4 8.3 8.2 7.9 7.4 7.0

8.6 8.4 8.3 8.1 7.7 7.2

7.8 7.6 7.5 7.5 7.6 ---

7.2 7.2 7.2 7.1 7.0 ---

7.6 7.4 7.4 7.3 7.3 ---

7.1 7.3 7.3 7.2 7.0 6.9

5.9 6.0 5.8 5.8 5.7 5.7

6.4 6.6 6.7 6.8 6.5 6.4

MONTH

---

---

---

---

---

---

8.3

5.9

7.1

8.2

5.4

6.9

Dissolved oxygen, water, unfiltered, milligrams per liter MEAN MAX MIN MEAN MAX MIN MEAN

FEBRUARY

MARCH

APRIL

MAY

75

WACCAMAW RIVER BASIN 02110777 AIW AT HIGHWAY 9 AT NIXONS CROSSROADS, SC--Continued Dissolved oxygen, water, unfiltered, milligrams per liter WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

7.0 7.3 7.2 7.1 7.0

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

5.7 5.6 5.5 5.8 5.6

6.4 6.6 6.7 6.7 6.6

5.7 5.7 5.8 5.8 5.8

4.8 4.8 4.6 4.8 4.9

5.4 5.4 5.4 5.5 5.5

6.2 6.5 -------

5.0 4.9 -------

5.7 5.8 -------

6.3 6.4 6.7 7.2 6.8

4.3 5.0 4.4 5.3 4.9

5.7 5.9 5.9 6.4 5.8

6.7 6.3 6.0 5.7 5.6

5.1 5.3 5.1 4.9 4.9

6.3 6.0 5.7 5.5 5.4

5.7 5.7 6.0 6.0 6.0

4.8 4.6 5.1 4.8 4.8

5.4 5.4 5.7 5.7 5.7

----5.6 --5.5

----5.2 --4.9

----5.3 --5.2

6.0 6.1 6.5 6.3 6.8

4.7 4.4 4.4 4.5 4.4

5.4 5.4 5.5 5.4 5.6

11 12 13 14 15

5.9 5.9 5.9 5.8 5.8

5.0 5.3 4.8 4.9 5.0

5.5 5.7 5.7 5.6 5.6

5.8 5.9 6.0 5.9 6.0

4.8 4.8 4.6 4.7 4.9

5.6 5.5 5.6 5.6 5.6

5.5 5.6 5.6 5.3 5.5

4.2 4.0 3.8 3.6 3.8

5.1 5.0 4.9 4.7 4.6

7.2 7.5 6.4 6.5 6.7

4.8 5.3 5.1 5.5 5.0

5.8 6.0 5.7 6.0 5.7

16 17 18 19 20

------5.8 6.0

------4.6 4.6

------5.4 5.6

6.0 6.1 6.2 6.3 6.5

4.8 5.1 5.0 5.0 5.3

5.7 5.8 5.8 5.9 6.0

5.7 5.8 5.8 5.9 6.1

3.9 3.5 3.7 4.1 4.3

4.7 4.7 4.8 4.9 5.1

6.0 5.7 5.4 --5.0

4.3 4.0 3.6 --3.4

4.9 4.7 4.6 --4.2

21 22 23 24 25

5.9 5.9 -------

5.3 5.1 -------

5.7 5.7 -------

6.5 6.2 6.4 6.5 6.6

5.4 5.3 5.1 5.0 5.3

6.0 5.7 5.7 5.8 6.0

6.2 6.1 5.9 5.8 6.1

4.3 4.2 4.3 4.1 4.3

5.3 5.3 5.3 5.2 5.1

5.1 ---------

3.5 ---------

4.1 ---------

26 27 28 29 30 31

--------5.6 ---

--------4.8 ---

--------5.3 ---

6.7 6.7 6.5 6.4 6.2 6.4

5.5 5.7 5.4 5.1 5.4 5.0

6.2 6.2 6.1 6.1 5.8 5.7

6.2 6.1 6.4 5.6 5.5 6.5

4.0 4.0 4.0 4.2 3.9 3.8

5.2 5.3 5.4 5.1 4.8 5.3

------5.7 6.0 ---

------3.4 3.1 ---

------5.0 5.0 ---

MONTH

---

---

---

6.7

4.6

5.7

---

---

---

---

---

---

JUNE

MIN JULY

MIN AUGUST

MIN

MEAN

SEPTEMBER

76

WACCAMAW RIVER BASIN 02110802 WACCAMAW RIVER AT BUCKSPORT, SC WATER-QUALITY RECORDS

LOCATION.--Lat 33°38'56'', long 79°05'40'', Horry County, Hydrologic Unit 03040206, on left bank across from Bucksport Plantation Marina, 1.0 mi. southwest of Bucksport, 3.9 mi upstream from Bull Creek at mile 25.2. DRAINAGE AREA.--Indeterminate. PERIOD OF RECORD.--Water years 1984 to current year. PERIOD OF DAILY RECORD.-SPECIFIC CONDUCTANCE: October 1983 to September 1995 (discontinued). pH: February 1986 to September 1989 (discontinued). WATER TEMPERATURE: February 1986 to current year. DISSOLVED OXYGEN: April 1986 to current year. INSTRUMENTATION.--Water-quality multiprobe and data collection platform. REMARKS.--Temperature records rated excellent. Dissolved oxygen records rated excellent except for Oct. 2-10, Dec. 26 to Jan. 10, which are good, and Oct. 11, 12, Jan. 11, 12, which are fair. EXTREMES FOR PERIOD OF DAILY RECORD.-SPECIFIC CONDUCTANCE: Maximum, 270 microsiemens, Jun. 2, 1985; minimum, 40 microsiemens, many days 1983, 1984, 1985. pH: Maximum, 7.8 units, Sep. 1, 2, 11, 1986; minimum, 5.0 units, Aug. 16, 1987. WATER TEMPERATURE: Maximum, 32.5°C, Aug. 5, 1987, Aug. 1, 2, 1999, July 28, 2005; minimum, 0.5°C, Dec. 26-28, 1989. DISSOLVED OXYGEN: Maximum, 11.8 mg/L, Jan. 11, 12, 2002; minimum, 0.0 mg/L, Sep. 12-31, 1996. EXTREMES FOR CURRENT YEAR.-WATER TEMPERATURE: Maximum, 32.5°C, July 28; minimum, 4.5°C, Jan. 29. DISSOLVED OXYGEN: Maximum, 11.7 mg/L, Jan. 27; minimum, 0.3 mg/L, Oct. 1. Temperature, water, degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

24.1 24.3 24.5 24.1 24.0

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

23.4 23.7 23.8 23.6 23.3

23.7 24.0 24.1 23.9 23.5

20.5 20.8 21.2 21.4 21.4

19.8 20.2 20.5 20.9 20.5

20.1 20.5 20.9 21.1 20.9

14.7 14.5 14.2 13.7 13.3

14.2 13.5 13.2 12.9 12.4

14.5 14.1 13.7 13.3 12.9

7.8 8.2 8.6 9.3 10.1

7.0 7.2 7.6 8.3 9.0

7.3 7.7 8.1 8.8 9.5

23.4 22.7 22.2 21.8 22.0

22.6 21.9 21.2 21.2 21.3

23.0 22.3 21.7 21.4 21.6

20.5 19.9 19.6 18.9 17.4

19.8 19.4 18.8 17.2 16.8

20.2 19.6 19.2 18.3 17.1

13.0 13.6 14.2 14.5 15.3

12.1 12.0 12.7 13.3 13.9

12.7 12.9 13.6 14.0 14.7

10.9 11.6 12.9 13.3 14.0

9.9 10.8 11.4 12.6 12.9

10.4 11.2 12.1 13.0 13.2

11 12 13 14 15

22.0 21.5 21.6 21.8 21.4

21.3 20.9 20.9 21.1 20.5

21.6 21.2 21.3 21.4 20.9

16.8 16.7 16.7 15.9 14.6

16.2 16.2 15.9 14.6 13.8

16.4 16.5 16.3 15.1 14.1

15.1 14.5 14.0 13.5 12.3

14.5 14.0 13.5 12.3 10.9

14.8 14.3 13.8 12.9 11.5

13.9 14.0 14.7 15.2 14.7

13.3 13.6 13.8 14.5 13.2

13.5 13.8 14.2 14.9 14.0

16 17 18 19 20

20.5 19.5 19.7 20.5 20.9

19.1 18.6 18.8 19.5 20.3

19.6 19.0 19.3 20.0 20.6

13.8 13.5 13.4 13.9 14.5

13.3 12.9 12.9 13.1 13.2

13.5 13.3 13.2 13.5 13.9

10.9 10.1 10.2 9.8 9.4

9.9 9.6 9.4 9.0 7.9

10.3 9.9 9.8 9.4 8.7

13.2 11.7 10.3 8.6 7.6

11.7 10.3 8.6 7.4 7.0

12.6 11.1 9.5 8.1 7.4

21 22 23 24 25

20.9 20.5 19.9 19.7 19.3

20.2 19.9 19.5 18.9 18.6

20.6 20.2 19.7 19.1 18.8

14.8 15.1 15.6 16.4 16.8

13.8 14.3 14.8 15.5 16.2

14.4 14.7 15.3 15.9 16.5

8.2 7.9 8.9 9.4 8.5

7.0 6.6 7.3 8.0 7.4

7.6 7.4 8.1 8.8 7.9

8.1 7.8 8.1 7.4 6.6

7.2 6.8 7.4 6.1 5.8

7.6 7.5 7.8 6.7 6.2

26 27 28 29 30 31

19.0 18.6 18.5 18.4 19.2 20.0

18.1 17.9 18.3 18.1 18.3 19.1

18.5 18.3 18.4 18.3 18.7 19.5

16.2 15.6 15.5 15.0 14.6 ---

15.6 14.8 15.0 14.6 14.2 ---

15.9 15.3 15.3 14.8 14.4 ---

7.4 6.5 6.4 6.8 6.9 7.2

6.4 6.2 5.9 5.8 6.3 6.7

6.9 6.4 6.1 6.2 6.6 6.9

7.4 7.1 6.7 5.5 5.7 5.8

5.8 6.3 5.4 4.5 4.8 5.0

6.3 6.8 5.9 5.0 5.1 5.4

MONTH

24.5

17.9

20.8

21.4

12.9

16.5

15.3

5.8

10.7

15.2

4.5

9.4

OCTOBER

MIN NOVEMBER

MIN DECEMBER

MIN

MEAN

JANUARY

77

WACCAMAW RIVER BASIN 02110802 WACCAMAW RIVER AT BUCKSPORT, SC--Continued Temperature, water, degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

5.9 5.9 6.0 6.5 7.4

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

MIN

5.3 5.3 5.8 5.8 6.1

5.6 5.6 5.9 6.1 6.6

11.0 10.7 10.4 10.3 10.8

10.2 9.9 9.6 9.0 9.1

10.6 10.3 10.1 9.8 10.2

18.7 18.8 18.3 18.2 18.8

17.3 17.1 17.6 16.2 16.5

18.2 18.2 17.9 17.4 17.8

19.7 20.3 20.3 20.5 19.9

18.8 19.1 19.3 19.4 18.9

19.3 19.6 19.7 19.8 19.4

7.7 8.4 9.2 9.8 10.8

6.5 7.2 7.8 8.6 9.1

7.0 7.6 8.3 9.2 10.0

10.9 11.6 12.2 11.9 11.6

9.2 9.7 10.6 10.8 10.3

10.2 10.7 11.4 11.3 10.9

19.7 19.6 20.1 19.7 19.0

17.2 17.9 18.1 18.6 17.4

18.5 19.0 19.2 19.1 18.2

18.9 18.9 19.7 20.6 21.2

18.0 17.5 18.1 18.7 19.6

18.3 18.1 18.8 19.5 20.3

11 12 13 14 15

10.2 9.6 9.6 9.9 10.8

9.3 8.5 8.6 9.3 9.8

9.7 9.2 9.2 9.6 10.3

11.8 12.1 13.0 12.9 12.6

10.6 10.8 11.2 12.0 11.6

11.1 11.4 12.1 12.5 12.2

19.1 19.0 18.7 18.1 16.6

17.6 18.1 17.9 16.6 15.6

18.2 18.5 18.3 17.2 16.1

22.2 23.1 23.0 23.4 24.0

20.4 21.2 22.2 22.2 22.7

21.2 22.1 22.6 22.8 23.3

16 17 18 19 20

11.7 12.1 11.9 11.8 11.6

10.4 11.2 11.2 10.9 10.5

11.0 11.6 11.5 11.4 11.3

12.6 11.7 10.8 10.9 12.3

11.3 10.6 10.1 10.3 10.5

12.0 11.1 10.5 10.7 11.4

15.7 16.0 16.6 17.6 18.3

15.0 15.0 15.3 16.2 16.9

15.4 15.4 15.9 16.8 17.6

23.9 24.0 24.1 24.4 24.4

23.1 23.3 23.1 23.3 23.7

23.6 23.7 23.6 23.8 23.9

21 22 23 24 25

11.9 12.9 13.4 13.0 12.5

10.4 10.9 11.6 12.0 11.6

11.3 12.0 12.6 12.4 12.1

13.2 13.9 15.3 16.4 16.6

11.7 11.8 12.7 14.4 14.8

12.5 13.1 14.0 15.5 15.7

19.0 19.8 19.8 19.1 18.5

17.6 18.0 18.6 18.5 17.4

18.3 18.8 19.2 18.7 18.0

23.8 22.9 23.3 23.5 23.0

22.9 22.1 22.0 22.6 22.0

23.3 22.6 22.7 23.1 22.4

26 27 28 29 30 31

12.0 11.7 10.9 -------

10.8 10.8 10.2 -------

11.4 11.1 10.6 -------

17.3 16.9 17.5 17.4 18.1 18.3

15.5 16.3 16.2 16.3 16.3 17.3

16.2 16.5 16.8 16.9 17.2 17.9

18.2 18.7 18.6 18.8 19.3 ---

17.5 17.3 17.5 17.6 18.3 ---

17.8 18.0 18.2 18.3 18.8 ---

22.5 22.8 23.3 23.8 23.8 22.9

21.4 21.7 22.2 22.9 22.8 22.5

22.0 22.3 22.8 23.4 23.3 22.7

MONTH

13.4

5.3

9.7

18.3

9.0

12.7

20.1

15.0

17.9

24.4

17.5

21.7

MAX

MIN

MEAN

Temperature, water, degrees Celsius MAX MIN MEAN MAX MIN

MEAN

MAX

MIN

MEAN

FEBRUARY

DAY

MIN MARCH

JUNE

MIN APRIL

JULY

MEAN

MAY

AUGUST

SEPTEMBER

1 2 3 4 5

22.7 ------24.4

22.0 ------23.2

22.4 ------23.8

28.5 29.0 28.6 28.8 29.3

27.4 27.9 28.0 27.7 27.9

28.0 28.3 28.4 28.2 28.6

29.9 30.1 30.3 30.2 29.9

29.2 29.0 29.0 29.0 29.1

29.5 29.5 29.5 29.6 29.5

29.3 29.2 29.1 29.0 28.7

28.5 28.5 28.4 28.4 27.6

28.9 28.9 28.9 28.7 28.1

6 7 8 9 10

25.0 25.7 26.1 26.6 26.9

23.6 23.8 24.5 24.8 25.4

24.4 25.0 25.6 25.9 26.4

29.5 29.8 29.9 29.6 29.1

27.9 28.1 28.4 29.1 28.4

28.9 29.1 29.3 29.3 28.9

29.2 28.9 28.4 27.4 27.5

28.7 28.2 27.3 27.0 26.9

29.0 28.5 27.8 27.2 27.2

27.9 27.0 26.8 26.6 26.1

26.9 26.1 25.5 25.7 25.4

27.4 26.6 26.3 26.2 25.8

11 12 13 14 15

26.9 27.0 27.3 27.8 28.9

25.9 26.1 26.4 26.8 27.4

26.6 26.7 26.9 27.3 27.9

29.0 29.3 29.9 29.4 ---

28.4 28.2 28.4 28.1 ---

28.8 28.9 29.1 28.7 ---

27.9 28.5 28.7 28.8 29.6

26.9 27.4 28.0 28.3 28.3

27.4 27.9 28.4 28.4 28.8

25.6 25.4 25.1 25.0 25.2

24.7 24.4 24.7 24.3 24.2

25.1 24.8 24.9 24.5 24.7

16 17 18 19 20

----28.3 27.9 27.0

----27.7 27.0 26.2

----28.0 27.3 26.6

--29.9 30.1 30.3 30.7

--28.4 28.6 28.7 29.1

--29.0 29.1 29.3 29.7

29.9 29.9 29.7 29.5 29.8

28.8 29.3 29.0 28.7 28.8

29.3 29.6 29.2 29.1 29.4

26.0 26.7 27.0 27.4 27.6

24.9 25.6 26.3 26.6 26.7

25.4 26.1 26.7 27.0 27.1

21 22 23 24 25

26.7 26.8 27.2 27.4 27.2

25.8 25.8 26.2 26.4 26.4

26.2 26.3 26.7 27.0 26.7

30.6 30.4 30.4 30.2 30.1

29.4 29.5 29.4 29.3 29.3

29.9 30.0 30.0 29.9 29.7

30.4 --30.2 29.7 28.9

29.3 --29.6 28.7 27.9

30.0 --30.0 29.3 28.5

27.6 27.7 27.6 27.6 27.7

26.6 26.6 26.7 26.8 26.9

27.1 27.1 27.1 27.1 27.2

26 27 28 29 30 31

27.1 27.9 27.4 27.6 28.0 ---

26.0 26.7 27.1 27.0 27.1 ---

26.6 27.2 27.3 27.2 27.5 ---

------31.8 31.4 30.9

------31.2 30.9 29.8

------31.5 31.1 30.2

28.2 27.5 28.2 28.8 28.6 29.0

27.2 26.7 27.0 27.6 27.9 28.2

27.8 27.2 27.5 28.0 28.2 28.6

27.5 27.2 27.4 27.0 26.9 ---

26.8 26.8 26.6 26.4 26.4 ---

27.1 26.9 26.8 26.8 26.5 ---

MONTH

---

---

---

---

---

---

---

---

---

29.3

24.2

26.7

78

WACCAMAW RIVER BASIN 02110802 WACCAMAW RIVER AT BUCKSPORT, SC--Continued Dissolved oxygen, water, unfiltered, milligrams per liter WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

0.7 0.9 1.3 1.4 1.8

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

0.3 0.5 0.7 1.1 1.1

0.5 0.7 0.9 1.2 1.3

4.3 4.6 4.4 4.8 4.5

3.2 3.2 3.4 3.4 3.5

3.5 3.7 3.7 3.9 3.9

8.3 8.4 8.4 8.4 8.5

7.3 7.3 7.3 7.4 7.5

7.6 7.7 7.7 7.8 7.9

11.0 11.1 10.5 10.2 9.9

10.0 9.8 9.8 9.6 9.4

10.4 10.4 10.1 9.9 9.7

2.5 2.8 3.5 3.6 3.8

1.3 1.5 1.8 2.4 2.7

1.5 1.8 2.2 3.0 3.1

4.7 4.8 5.7 6.2 6.5

3.7 3.9 4.0 4.6 5.6

4.2 4.2 4.6 5.6 6.1

8.7 8.8 8.8 9.9 9.3

7.6 7.6 7.8 7.8 8.4

8.0 8.2 8.2 8.8 8.8

9.9 9.8 9.5 9.7 9.0

9.3 9.2 9.0 8.7 8.4

9.5 9.4 9.2 9.0 8.6

11 12 13 14 15

3.9 4.0 4.0 3.5 3.4

2.8 3.0 2.9 2.1 1.8

3.3 3.6 3.5 2.8 2.4

7.0 7.3 7.4 8.0 8.1

5.9 6.3 6.2 6.6 7.1

6.3 6.7 6.7 7.3 7.6

9.1 8.8 8.5 9.2 9.7

8.1 8.2 8.2 8.3 8.7

8.6 8.3 8.4 8.6 9.1

8.7 8.6 7.9 8.0 8.1

8.2 7.6 7.4 7.6 7.6

8.4 8.0 7.6 7.7 7.9

16 17 18 19 20

3.2 3.4 3.8 3.7 3.6

2.0 2.3 2.5 2.6 2.7

2.4 2.5 2.8 2.9 2.9

7.9 8.0 8.1 8.3 8.3

7.2 7.2 7.4 7.4 7.4

7.5 7.5 7.7 7.7 7.7

9.9 9.9 9.8 9.7 10.0

9.2 9.3 9.3 9.3 9.2

9.5 9.5 9.5 9.4 9.5

8.4 8.8 9.3 9.9 9.8

8.0 8.2 8.5 8.9 9.4

8.3 8.6 9.0 9.6 9.7

21 22 23 24 25

4.1 4.4 4.7 4.8 4.7

2.7 3.2 3.7 3.8 3.6

3.2 3.7 4.1 4.2 4.0

8.2 8.1 8.0 7.9 7.8

7.3 7.1 7.0 6.8 6.8

7.6 7.6 7.4 7.2 7.2

10.2 10.2 10.4 10.2 10.6

9.6 9.8 9.6 9.4 9.6

10.0 10.0 9.9 9.8 10.1

10.1 10.3 10.3 10.8 11.0

9.5 9.8 9.8 10.0 10.4

9.9 10.1 10.1 10.5 10.7

26 27 28 29 30 31

4.6 4.2 4.0 4.0 4.3 4.3

3.5 3.4 3.3 3.2 3.2 3.1

3.9 3.7 3.5 3.5 3.6 3.5

7.9 8.0 8.0 8.0 8.2 ---

6.8 7.3 7.4 7.2 7.2 ---

7.3 7.7 7.7 7.5 7.6 ---

10.9 10.8 11.0 11.2 10.8 10.7

10.2 10.1 10.2 10.2 10.1 10.1

10.5 10.4 10.5 10.6 10.3 10.4

11.4 -----------

10.7 -----------

11.0 -----------

MONTH

4.8

0.3

2.8

8.3

3.2

6.4

11.2

7.3

9.1

---

---

---

DAY

MAX

MIN

MAX

MIN

MEAN

OCTOBER

MIN NOVEMBER

MIN DECEMBER

MARCH

MEAN

JANUARY

Dissolved oxygen, water, unfiltered, milligrams per liter MEAN MAX MIN MEAN MAX MIN MEAN

FEBRUARY

MIN

APRIL

MAY

1 2 3 4 5

--11.1 11.0 10.9 11.0

--10.5 10.4 10.3 10.2

--10.8 10.7 10.6 10.6

9.2 8.9 9.3 9.8 9.9

8.5 8.5 8.8 8.8 9.0

8.8 8.8 8.9 9.2 9.2

6.4 6.7 6.2 6.7 6.5

5.0 5.2 5.9 5.6 5.4

5.4 6.0 6.1 6.0 5.8

5.7 5.7 5.9 6.0 6.3

5.2 5.2 5.1 5.1 5.2

5.4 5.4 5.4 5.4 5.6

6 7 8 9 10

11.2 11.0 10.8 10.6 10.2

10.2 10.1 9.9 9.5 9.1

10.7 10.6 10.3 9.9 9.4

9.9 9.9 9.8 9.7 9.6

9.1 9.2 9.3 9.2 9.2

9.5 9.5 9.6 9.4 9.4

6.4 6.4 6.0 5.7 5.5

5.1 5.0 4.8 4.5 4.8

5.6 5.5 5.2 5.0 5.3

6.4 6.3 6.3 6.2 6.1

5.7 5.8 5.6 5.2 5.1

6.0 6.0 5.8 5.6 5.4

11 12 13 14 15

9.6 9.8 9.5 9.5 9.1

8.9 9.0 8.9 8.8 8.7

9.2 9.3 9.2 9.0 8.8

9.6 9.6 9.5 9.5 9.3

9.1 9.1 9.0 8.8 8.7

9.3 9.4 9.3 9.1 9.0

5.7 5.8 5.6 5.3 5.3

4.7 4.2 3.8 3.8 4.2

5.1 4.7 4.4 4.3 4.8

5.8 5.4 5.2 5.1 5.3

4.8 4.6 4.6 4.6 4.5

5.1 4.9 4.8 4.8 4.7

16 17 18 19 20

9.1 9.0 8.9 9.0 9.4

8.5 8.6 8.5 8.7 8.7

8.8 8.8 8.8 8.8 8.9

9.3 9.2 9.1 9.0 9.1

8.6 8.6 8.7 8.3 8.4

9.0 8.9 8.8 8.7 8.5

5.8 6.5 5.8 5.7 5.9

4.8 5.4 5.4 5.4 5.4

5.5 5.8 5.6 5.5 5.6

5.2 5.3 5.3 5.2 5.2

4.6 4.8 4.8 4.8 4.8

4.9 5.0 5.0 5.0 5.0

21 22 23 24 25

9.7 9.5 9.3 9.3 9.3

8.7 8.7 8.6 8.7 8.4

9.0 8.9 8.9 8.9 8.8

8.8 9.2 9.0 8.2 8.2

8.1 8.0 8.0 7.6 7.3

8.4 8.5 8.4 7.8 7.7

6.2 6.1 6.1 5.8 5.9

5.4 5.3 5.2 5.3 5.5

5.6 5.6 5.5 5.6 5.7

5.4 5.6 5.6 5.6 5.8

4.9 5.0 5.2 5.1 5.1

5.1 5.3 5.3 5.3 5.4

26 27 28 29 30 31

9.3 9.4 9.7 -------

8.7 8.7 8.8 -------

9.0 9.0 9.3 -------

7.9 7.6 7.1 6.7 6.5 6.6

6.9 6.8 6.5 5.9 5.4 5.4

7.4 7.1 6.8 6.2 5.8 5.6

5.7 5.5 5.4 5.5 5.7 ---

5.4 5.1 5.0 4.8 5.2 ---

5.6 5.3 5.2 5.2 5.5 ---

5.8 5.8 5.7 5.5 5.5 5.5

5.2 5.0 5.0 4.8 4.9 4.8

5.4 5.3 5.2 5.0 5.1 5.0

MONTH

---

---

---

9.9

5.4

8.5

6.7

3.8

5.4

6.4

4.5

5.2

79

WACCAMAW RIVER BASIN 02110802 WACCAMAW RIVER AT BUCKSPORT, SC--Continued Dissolved oxygen, water, unfiltered, milligrams per liter WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

5.5 ------5.2

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

4.6 ------4.6

5.1 ------4.7

4.4 4.8 5.0 5.0 5.1

3.7 3.8 3.8 4.2 3.8

3.9 4.1 4.2 4.4 4.1

4.5 4.7 4.7 4.7 4.6

4.1 4.0 3.9 3.7 3.6

4.2 4.2 4.2 3.9 3.9

3.7 3.8 4.0 4.3 4.8

3.1 3.1 3.3 3.5 3.9

3.3 3.4 3.6 3.9 4.4

5.4 5.5 5.2 4.9 4.6

4.3 4.0 3.8 3.7 3.5

4.5 4.3 4.1 4.0 3.8

4.6 4.2 4.4 4.1 4.3

3.6 3.4 3.7 3.5 3.5

3.8 3.7 3.9 3.7 3.8

4.7 4.8 4.9 5.0 4.3

3.7 3.8 4.3 4.2 3.8

4.1 4.2 4.6 4.5 4.1

5.3 5.2 5.1 5.0 5.2

4.4 4.5 4.3 4.3 4.3

4.8 4.8 4.6 4.6 4.7

11 12 13 14 15

4.2 4.4 4.4 4.0 4.0

3.6 3.7 3.7 3.6 3.4

3.8 3.9 3.8 3.7 3.6

4.5 4.5 4.9 5.0 4.8

3.6 3.6 3.8 3.9 4.1

3.9 4.0 4.2 4.4 4.4

3.9 3.9 4.3 4.6 4.6

3.5 3.4 3.4 3.5 3.6

3.8 3.6 3.6 3.8 3.9

5.5 5.8 6.0 5.9 5.8

4.6 4.9 4.8 5.0 5.2

5.0 5.3 5.4 5.5 5.5

16 17 18 19 20

----4.3 4.7 4.8

----3.3 3.4 3.9

----3.5 3.8 4.2

4.8 4.6 4.4 4.5 4.5

4.1 4.2 4.2 4.0 4.2

4.4 4.4 4.4 4.3 4.3

4.6 4.5 4.5 4.5 4.5

3.6 3.7 3.7 3.7 3.6

3.9 4.0 4.0 4.0 4.0

5.7 5.5 5.1 4.4 4.1

5.1 4.6 4.2 3.8 3.6

5.3 4.8 4.5 4.1 3.8

21 22 23 24 25

4.7 4.5 4.2 3.8 4.1

3.8 3.7 3.2 3.2 3.5

4.1 3.9 3.5 3.5 3.8

4.5 4.5 4.6 4.9 4.8

4.2 4.2 4.2 4.3 4.2

4.3 4.4 4.4 4.5 4.5

4.6 4.5 4.4 4.4 4.3

3.6 3.6 3.6 3.3 3.7

4.0 4.0 4.0 3.9 4.0

3.8 3.8 3.7 4.0 4.2

3.5 3.4 3.3 3.3 3.4

3.6 3.5 3.4 3.5 3.6

26 27 28 29 30 31

4.5 4.0 3.9 4.0 4.3 ---

3.6 3.5 3.4 3.4 3.3 ---

3.9 3.7 3.6 3.7 3.8 ---

4.7 4.8 4.6 4.3 4.4 4.5

4.1 4.1 3.8 3.7 3.8 4.1

4.3 4.4 4.1 4.0 4.0 4.3

4.3 4.0 4.2 4.0 4.1 3.9

3.5 3.4 3.3 3.2 3.1 3.2

3.8 3.8 3.6 3.4 3.3 3.3

4.1 3.7 4.4 3.9 4.2 ---

3.4 3.3 3.3 3.4 3.4 ---

3.6 3.4 3.5 3.5 3.5 ---

MONTH

---

---

---

5.1

3.4

4.2

5.0

3.1

3.9

6.0

3.1

4.2

JUNE

MIN JULY

MIN AUGUST

MIN

MEAN

SEPTEMBER

80

WACCAMAW RIVER BASIN 02110809 WACCAMAW RIVER AT WACHESAW LANDING NEAR MURRELLS INLET, SC WATER-QUALITY RECORDS

LOCATION.--Lat 33°33'43'', long 79°05'10'', Georgetown County, Hydrologic Unit 03040206, near left bank at Wachesaw landing, 0.2 midownstream of Colliins Creek, 3.0 mi west of Murrels Inlet, and at mile 18.0. PERIOD OF RECORD.--March 1986 to September 1989, July 2002 to current year. PERIOD OF DAILY RECORD.-SPECIFIC CONDUCTANCE: March 1986 to September 1989, July 2002 to current year. pH: March 1986 to September 1989 (discontinued). WATER TEMPERATURE: March 1986 to September 1989 (discontinued). DISSOLVED OXYGEN: March 1986 to September 1989 (discontinued). INSTRUMENTATION.--Water-quality multiprobe and data collection platform. Prior to September 30, 1989, USGS mini-monitor at same location. REMARKS.--Specific conductance records rated excellent except for Aug. 20 to Sep. 16, which are good. EXTREMES FOR PERIOD OF DAILY RECORD.-SPECIFIC CONDUCTANCE: Maximum, 7,640 microsiemens, Aug. 9, 2002; minimum, 40 microsiemens, several days in March 1987. pH: Maximum, 7.6 units, Aug. 24, Oct. 13, 14, 1987; minimum, 5.1 units, several days in July 1986. WATER TEMPERATURE: Maximum, 31.5°C, July 20, 21, 1986; minimum, 3.5°C, Jan. 16, 17, 1988. DISSOLVED OXYGEN: Maximum, 12.1 mg/L, Jan. 20, 1988; minimum, 2.6 mg/L, Sep. 17, 18, 1987. EXTREMES FOR CURRENT YEAR.-SPECIFIC CONDUCTANCE: Maximum, 157 microsiemens, Sep. 30; minimum, 81 microsiemens, Oct. 3, 4, 10, 11. Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

98 98 94 94 89

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

91 88 81 81 82

93 92 86 86 85

122 123 128 128 136

113 115 118 121 126

117 119 120 124 128

106 112 110 110 108

100 100 104 102 101

103 103 106 104 102

108 107 104 103 106

101 100 99 98 98

103 101 100 99 100

90 89 90 89 89

83 84 83 82 81

86 85 84 84 83

134 131 128 127 124

128 123 121 122 119

131 127 123 123 122

109 109 106 105 103

101 103 101 100 99

104 104 103 101 101

104 --101 101 ---

99 --97 97 ---

100 --99 99 ---

11 12 13 14 15

88 88 91 91 97

81 82 84 86 89

83 84 86 89 91

123 123 122 125 127

118 117 116 119 124

119 118 118 122 125

105 104 119 123 120

98 100 104 115 105

100 102 109 120 111

--------107

--------94

--------99

16 17 18 19 20

96 102 105 106 106

87 87 97 99 100

91 93 100 101 101

127 124 124 128 141

122 121 119 119 127

124 122 120 122 133

109 107 105 105 108

105 102 101 101 103

107 104 102 102 105

117 118 117 103 100

103 107 102 96 95

109 113 111 98 96

21 22 23 24 25

108 113 115 111 112

101 107 109 108 109

104 109 110 109 110

138 130 123 127 127

127 118 116 119 120

132 123 118 122 123

112 110 108 107 107

105 106 102 102 102

107 107 104 103 104

97 96 101 96 97

93 93 93 93 93

95 94 95 94 94

26 27 28 29 30 31

113 113 112 115 123 130

109 109 107 109 115 115

111 110 109 112 119 121

126 116 117 114 112 ---

113 111 109 105 102 ---

116 113 111 109 105 ---

107 107 106 109 109 105

102 102 102 102 101 101

103 105 103 104 103 102

96 97 97 98 96 98

93 92 93 94 94 94

93 94 94 95 95 96

MONTH

130

81

97

141

102

121

123

98

104

---

---

---

OCTOBER

MIN NOVEMBER

MIN DECEMBER

MIN

MEAN

JANUARY

81

WACCAMAW RIVER BASIN 02110809 WACCAMAW RIVER AT WACHESAW LANDING NEAR MURRELLS INLET, SC--Continued Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

101 101 99 100 99

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

MIN

97 98 96 95 95

99 99 97 97 96

111 107 107 109 112

102 102 102 103 104

106 104 104 104 106

112 104 104 98 93

94 95 90 89 88

100 98 95 91 90

111 110 116 115 110

102 103 106 107 104

106 106 109 110 106

98 98 100 100 98

95 95 96 95 95

96 97 98 97 97

109 105 105 99 100

103 100 97 96 96

106 102 101 97 97

94 97 103 95 99

88 88 88 88 89

90 90 92 90 91

111 111 110 115 110

101 103 103 103 105

104 106 107 107 107

11 12 13 14 15

101 110 115 116 112

96 100 109 110 103

98 105 112 113 107

99 102 102 103 104

96 96 98 98 99

97 98 99 100 100

101 98 97 102 107

90 91 91 92 92

92 92 93 97 97

109 112 118 125 126

105 105 105 113 115

106 106 112 119 122

16 17 18 19 20

104 108 121 133 123

100 100 105 115 113

102 103 112 120 118

104 107 103 104 104

99 98 98 99 98

101 100 99 100 100

106 107 106 100 101

91 94 93 92 91

96 98 98 95 93

118 116 121 116 116

113 112 112 112 112

115 113 114 113 114

21 22 23 24 25

118 114 112 116 118

110 107 105 107 109

113 110 108 110 113

103 105 101 100 100

96 96 95 95 90

98 98 97 97 94

96 98 102 101 103

90 91 92 93 94

91 93 94 96 97

130 134 134 131 130

116 120 127 127 125

122 129 130 128 127

26 27 28 29 30 31

112 113 114 -------

107 108 106 -------

109 110 109 -------

104 108 115 109 103 104

91 93 90 91 92 91

97 99 100 96 96 97

103 102 104 99 111 ---

94 93 92 92 96 ---

96 96 97 96 103 ---

129 127 129 127 125 125

124 121 121 121 120 120

126 124 124 124 122 122

MONTH

133

95

105

115

90

100

112

88

95

134

101

115

Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN

MEAN

FEBRUARY

DAY

MIN MARCH

JUNE

MIN APRIL

JULY

MEAN

MAY

AUGUST

SEPTEMBER

1 2 3 4 5

129 132 128 124 126

120 119 117 112 112

123 126 123 117 119

125 137 135 124 114

120 123 121 107 105

122 132 126 115 109

127 126 130 124 118

120 119 118 113 101

123 123 123 118 109

117 121 127 131 130

112 114 117 123 126

114 117 123 128 128

6 7 8 9 10

122 118 110 111 106

108 99 96 94 95

114 109 102 97 99

109 108 107 105 113

99 101 99 97 99

105 103 103 101 107

108 111 109 106 105

101 104 99 98 99

104 106 104 102 102

131 130 131 130 130

127 127 125 126 124

129 129 128 128 127

11 12 13 14 15

108 116 116 114 110

97 105 108 105 103

103 111 112 107 105

120 120 115 109 106

111 112 106 103 100

115 116 111 106 103

105 107 111 113 111

99 99 100 105 102

102 103 106 109 107

129 130 140 137 132

125 125 127 127 117

127 128 131 134 126

16 17 18 19 20

106 108 115 119 117

100 100 106 112 111

102 103 110 115 114

107 107 108 112 117

101 103 103 105 110

103 105 106 109 113

109 109 111 112 113

102 102 102 104 104

106 105 106 108 109

138 138 149 151 152

123 128 135 142 136

127 133 142 147 146

21 22 23 24 25

119 119 117 114 116

112 108 104 107 107

116 114 110 109 111

115 120 123 123 124

109 111 114 119 118

112 114 118 120 121

114 114 109 106 106

107 105 103 99 97

111 110 106 103 102

149 144 140 137 142

131 131 129 130 134

140 137 135 134 137

26 27 28 29 30 31

121 128 132 131 128 ---

112 118 125 126 120 ---

116 123 129 128 125 ---

123 122 121 120 125 130

117 116 116 115 118 121

120 118 118 118 121 125

107 112 116 114 117 119

100 107 106 108 110 110

103 110 111 111 113 115

148 152 153 154 157 ---

139 144 144 148 146 ---

143 148 149 150 152 ---

MONTH

132

94

113

137

97

113

130

97

109

157

112

134

82

WACCAMAW RIVER BASIN 021108125 WACCAMAW RIVER NEAR PAWLEYS ISLAND, SC

LOCATION.--Lat 33°30'23'', long 79°07'38'', Horry County, Hydrologic Unit 03040206, on left bank of Waccamaw River at Pawleys Island, 0.5 mi upstream of the mouth of Thoroughfare Creek. DRAINAGE AREA.--Indeterminate. GAGE-HEIGHT RECORDS PERIOD OF RECORD.--November 2001 to current year. GAGE.--Data collection platform. Datum of gage is 15.0 ft above NGVD of 1929 (from topographic map). EXTREMES FOR PERIOD OF RECORD.--Maximum gage height, 8.70 ft, Apr. 21, 2003; minimum gage height, 1.16 ft, Jan. 10, 2002, Jan. 13, Feb. 1, 2004. EXTREMES FOR CURRENT YEAR.--Maximum gage height, 7.62 ft, Oct. 13; minimum gage height, 1.22 ft, Dec. 12. Gage height, feet WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

7.20 7.07 6.84 6.73 6.72

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

4.01 4.06 3.62 3.67 3.80

5.81 5.71 5.42 5.37 5.35

6.30 6.43 6.13 6.59 6.29

2.56 2.82 2.86 3.32 2.72

4.53 4.74 4.52 5.01 4.38

6.26 6.35 6.08 5.95 5.87

2.60 2.67 2.68 2.54 2.53

4.44 4.57 4.44 4.34 4.21

5.97 5.98 5.89 5.98 6.00

2.40 2.53 2.51 2.29 2.09

4.16 4.27 4.34 4.26 4.20

6.80 6.80 7.08 7.09 7.15

4.02 4.06 4.46 4.38 4.37

5.52 5.55 5.91 5.96 5.88

6.15 5.94 6.16 6.41 6.63

2.72 2.66 2.38 2.91 2.85

4.68 4.37 4.37 4.94 4.99

5.91 6.10 6.11 6.36 6.70

2.35 2.35 2.35 2.08 2.33

4.34 4.45 4.26 4.46 4.60

6.18 6.35 6.81 6.79 7.08

2.07 2.05 2.37 2.31 2.90

4.31 4.46 4.91 4.96 5.15

11 12 13 14 15

7.31 7.53 7.62 7.24 7.36

4.42 4.60 4.81 4.29 4.06

6.01 6.25 6.32 5.93 5.79

6.79 6.91 6.63 7.00 7.08

2.89 2.66 2.33 2.75 2.87

4.97 4.98 4.63 5.05 5.14

6.28 6.40 6.40 6.61 6.60

1.75 1.22 1.75 1.73 2.00

3.92 4.07 4.05 4.23 4.41

6.98 6.74 6.75 6.43 6.59

2.41 2.31 2.42 2.22 2.89

4.91 4.67 4.77 4.63 4.89

16 17 18 19 20

7.05 6.82 6.90 6.72 6.61

3.44 2.82 2.98 2.87 2.70

5.30 4.93 5.08 4.88 4.80

6.86 6.66 6.57 6.50 6.39

2.76 2.65 2.69 2.88 2.77

4.95 4.80 4.77 4.84 4.82

6.62 6.53 6.51 6.32 5.96

2.62 2.79 2.97 2.41 1.94

4.74 4.78 4.89 4.75 3.89

6.59 6.69 6.50 6.68 6.43

3.24 2.97 3.24 3.19 3.09

5.18 5.00 5.04 5.26 5.04

21 22 23 24 25

7.09 7.35 7.34 7.34 7.23

3.34 4.04 4.25 4.20 4.19

5.50 5.95 6.06 6.05 5.99

6.31 6.55 6.68 6.78 6.64

2.70 2.73 3.04 2.94 2.37

4.71 5.02 5.05 5.15 4.55

6.44 6.36 6.55 6.18 6.71

2.53 2.56 2.75 2.15 2.81

4.71 4.63 4.73 4.48 5.09

6.70 7.03 5.89 6.65 6.62

3.11 3.67 2.51 2.55 2.84

5.27 5.57 4.12 4.98 5.02

26 27 28 29 30 31

7.24 7.13 7.05 7.04 6.90 6.43

4.09 3.76 3.50 3.59 3.38 2.81

5.88 5.65 5.48 5.47 5.24 4.64

6.46 6.77 6.32 6.50 6.55 ---

2.11 2.71 2.60 2.38 2.80 ---

4.56 5.07 4.64 4.53 4.82 ---

6.92 6.51 6.62 6.45 6.19 6.13

3.35 2.90 2.84 2.82 2.40 2.47

5.25 4.74 4.84 4.64 4.25 4.20

6.91 6.73 6.76 6.77 6.83 6.58

3.61 3.11 3.64 3.58 3.46 3.50

5.33 5.15 5.31 5.37 5.33 5.19

MONTH

7.62

2.70

5.60

7.08

2.11

4.79

6.92

1.22

4.50

7.08

2.05

4.87

OCTOBER

MIN NOVEMBER

MIN DECEMBER

MIN

MEAN

JANUARY

83

WACCAMAW RIVER BASIN 021108125 WACCAMAW RIVER NEAR PAWLEYS ISLAND, SC--Continued Gage height, feet WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

6.71 6.94 7.09 6.90 7.11

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

MIN

3.61 3.75 3.38 3.38 3.38

5.42 5.57 5.71 5.49 5.70

6.46 5.43 5.86 6.32 6.10

1.88 2.11 2.44 2.49 2.00

4.08 3.85 4.23 4.52 4.05

6.81 7.13 5.71 6.32 6.56

3.41 2.07 2.07 2.29 2.86

5.17 4.94 3.88 4.66 5.00

6.49 6.57 6.75 6.74 6.93

2.62 2.94 2.97 3.10 3.32

4.66 5.02 5.22 5.25 5.42

7.39 7.28 7.27 7.16 6.83

3.69 3.55 3.42 3.26 2.94

5.81 5.66 5.57 5.45 5.09

6.36 6.31 6.56 6.59 6.71

2.00 2.19 2.15 1.99 2.64

4.53 4.45 4.39 4.66 4.92

6.78 6.88 7.08 7.43 7.43

3.13 3.31 3.51 3.75 4.12

5.22 5.29 5.39 5.63 5.96

6.70 6.79 6.96 6.83 6.79

2.64 2.68 2.86 2.87 2.86

5.05 4.90 4.97 5.05 4.96

11 12 13 14 15

6.66 6.78 6.62 6.48 5.95

2.62 3.13 3.01 2.72 2.27

4.89 5.16 4.97 4.66 4.18

6.40 6.18 6.28 6.39 6.56

2.69 1.94 2.26 2.65 3.05

4.66 4.11 4.33 4.64 4.87

7.43 7.18 7.19 7.03 7.03

4.07 4.07 3.98 4.28 4.58

5.85 5.69 5.72 5.72 5.80

6.66 6.46 6.21 6.51 6.27

2.72 2.61 2.72 2.98 2.93

4.76 4.56 4.58 4.76 4.58

16 17 18 19 20

5.96 5.96 6.18 5.99 5.89

2.40 2.73 2.37 2.30 2.18

4.26 4.57 4.28 4.21 4.11

6.51 6.69 6.66 6.81 6.62

3.61 3.63 4.04 3.81 3.24

5.22 5.26 5.43 5.47 5.08

6.94 7.04 6.67 6.20 6.15

4.44 4.16 3.37 3.09 2.81

5.78 5.81 5.24 4.77 4.60

6.01 5.96 6.28 6.40 6.37

2.73 2.67 2.95 2.80 2.68

4.39 4.55 4.90 4.89 4.79

21 22 23 24 25

6.06 5.94 6.43 6.81 6.61

2.26 2.16 2.45 3.27 2.76

4.15 4.18 4.69 5.13 4.91

6.13 6.48 6.73 6.48 6.91

2.99 3.02 3.54 2.59 3.16

4.68 5.04 5.13 4.68 5.30

6.30 6.63 6.36 6.50 6.49

2.65 2.78 2.85 2.21 2.46

4.56 4.81 4.83 4.38 4.47

6.91 6.86 6.65 6.98 7.21

2.75 3.04 2.25 2.76 3.30

4.84 5.19 4.65 5.00 5.30

26 27 28 29 30 31

6.72 7.18 7.55 -------

3.39 3.47 3.52 -------

5.30 5.49 5.86 -------

7.09 7.22 7.19 6.58 6.75 6.81

3.65 4.01 3.50 2.79 3.26 3.27

5.56 5.92 5.53 4.68 5.13 5.13

6.77 6.78 6.52 6.63 6.70 ---

2.58 2.33 2.70 2.89 2.73 ---

4.60 4.60 4.66 4.82 4.81 ---

7.25 7.06 6.89 6.57 6.56 6.60

3.11 3.06 2.77 2.74 3.06 3.00

5.33 5.16 4.97 4.74 5.08 5.20

MONTH

7.55

2.16

5.02

7.22

1.88

4.82

7.43

2.07

5.09

7.25

2.25

4.93

MAX

MIN

MEAN

MAX

MIN

MEAN

MAX

MIN

MEAN

FEBRUARY

DAY

MIN MARCH

JUNE

MIN APRIL

Gage height, feet MIN MEAN MAX JULY

MEAN

MAY

AUGUST

SEPTEMBER

1 2 3 4 5

6.86 6.69 6.62 6.76 6.75

3.58 3.19 2.80 2.74 2.84

5.56 5.28 4.97 4.96 4.96

6.50 6.57 6.81 6.79 6.69

2.25 2.59 3.01 2.93 3.08

4.70 4.77 4.93 5.08 5.00

6.56 6.82 6.71 6.63 6.69

2.71 3.01 3.04 2.80 3.01

4.69 4.98 5.10 4.87 4.94

6.66 6.60 6.49 6.82 6.95

2.94 3.04 2.84 3.05 3.63

4.84 5.00 4.85 5.12 5.48

6 7 8 9 10

6.77 6.71 6.75 6.72 6.62

2.93 2.99 3.14 3.19 3.18

4.97 4.94 4.99 5.02 4.95

6.61 ----6.36 6.38

2.82 ----2.66 2.94

4.85 ----4.53 4.72

6.62 6.71 6.71 6.57 6.40

3.07 3.35 3.51 3.20 2.93

4.98 5.15 5.24 4.96 4.88

6.95 7.00 6.94 6.90 6.93

4.07 4.20 3.88 3.90 3.79

5.78 5.79 5.65 5.65 5.54

11 12 13 14 15

6.60 6.59 6.44 6.29 6.18

3.17 3.33 3.27 2.99 2.68

4.97 5.00 4.91 4.76 4.62

6.45 6.28 --6.28 6.36

2.98 2.91 --2.93 2.78

4.72 4.66 --4.85 4.79

6.43 6.44 6.49 6.58 6.54

2.97 2.96 2.80 2.75 2.52

4.92 4.88 4.79 4.88 4.73

6.95 7.05 7.23 6.49 ---

3.60 3.55 4.10 2.58 ---

5.50 5.62 5.98 4.82 ---

16 17 18 19 20

6.29 6.73 6.97 7.24 7.15

2.62 2.94 3.23 3.24 3.04

4.66 5.11 5.35 5.44 5.40

6.37 6.52 --6.57 6.59

2.48 2.37 --2.05 1.91

4.61 4.60 --4.48 4.31

6.69 6.92 -------

2.32 2.37 -------

4.67 4.81 -------

-----------

-----------

-----------

21 22 23 24 25

6.97 6.70 6.77 6.77 6.91

2.76 2.25 2.07 2.65 3.21

5.16 4.70 4.43 4.85 5.19

6.71 6.82 6.83 6.90 6.94

2.02 2.34 2.68 3.12 2.91

4.37 4.67 4.87 5.18 5.06

------6.77 7.21

------3.06 4.03

------5.19 5.87

----6.62 6.57 6.70

----3.11 3.12 3.44

----5.08 5.03 5.33

26 27 28 29 30 31

7.02 6.55 6.31 6.32 6.38 ---

2.88 2.64 2.43 2.50 2.38 ---

5.09 4.67 4.61 4.67 4.60 ---

6.52 6.47 6.42 6.58 6.43 ---

2.62 2.60 2.63 2.61 2.43 ---

4.74 4.80 4.77 4.85 4.74 ---

7.17 6.92 6.81 6.92 6.87 6.48

4.09 4.05 3.53 3.66 3.87 2.99

5.88 5.71 5.43 5.50 5.54 4.94

6.68 6.47 6.86 6.66 6.90 ---

3.82 3.37 3.82 3.49 3.59 ---

5.50 5.10 5.58 5.34 5.36 ---

MONTH

7.24

2.07

4.96

---

---

---

---

---

---

---

---

---

84

WACCAMAW RIVER BASIN 021108125 WACCAMAW RIVER NEAR PAWLEYS ISLAND, SC--Continued WATER-QUALITY RECORDS

PERIOD OF RECORD.--November 2001 to current year. PERIOD OF DAILY RECORD.-SPECIFIC CONDUCTANCE: November 2001 to current year. INSTRUMENTATION.--Water-quality multiprobe and data collection platform. REMARKS.--Specific conductance records excellent. EXTREMES FOR PERIOD OF DAILY RECORD.-SPECIFIC CONDUCTANCE: Maximum, 18,800 microsiemens, Aug. 9, 2002; minimum, 66 microsiemens, Apr. 19, 20, 25, 2003. EXTREMES FOR CURRENT YEAR.-SPECIFIC CONDUCTANCE: Maximum, 5,910 microsiemens, Sep. 13; minimum, 84 microsiemens, Oct. 10, Sep. 3. Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

106 108 102 96 96

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

97 97 87 89 88

101 102 95 93 91

135 132 133 134 138

124 124 125 126 127

130 129 131 130 133

120 118 119 120 117

110 108 109 110 108

114 111 114 115 111

110 110 109 108 109

104 104 103 102 100

107 107 105 105 104

95 92 92 90 90

88 87 88 85 85

91 90 90 88 87

140 144 142 138 135

132 136 130 129 130

136 140 136 132 132

116 116 117 116 115

107 109 107 107 106

111 112 112 111 110

109 110 109 109 110

101 100 100 100 101

104 104 104 104 105

11 12 13 14 15

90 91 91 93 97

84 86 88 89 92

87 88 89 91 94

134 135 133 132 136

129 128 125 126 128

131 130 128 128 132

115 113 114 127 128

106 106 107 113 116

109 109 111 121 123

109 111 110 108 111

100 99 98 97 100

104 104 103 101 102

16 17 18 19 20

99 102 108 112 111

95 97 101 106 105

97 100 104 108 108

139 138 139 135 136

131 132 129 128 130

135 135 134 132 133

122 119 115 113 111

109 109 107 106 106

116 114 110 109 108

119 124 120 115 112

100 109 113 106 102

106 117 115 110 104

21 22 23 24 25

113 115 118 120 120

108 110 113 114 115

110 112 115 116 117

147 147 145 139 137

135 137 128 126 131

143 142 136 132 133

112 115 114 113 111

108 111 108 106 106

110 112 111 109 108

107 107 107 102 101

99 98 97 97 97

101 102 100 99 98

26 27 28 29 30 31

121 121 122 120 124 132

116 117 116 116 119 124

118 119 119 119 122 129

137 133 130 123 123 ---

126 121 117 116 112 ---

132 127 123 120 118 ---

109 109 111 110 111 110

106 106 105 105 105 104

108 108 108 108 108 107

99 99 100 100 100 100

97 96 97 98 98 98

98 98 98 98 99 99

MONTH

132

84

103

147

112

132

128

104

111

124

96

103

OCTOBER

MIN NOVEMBER

MIN DECEMBER

MIN

MEAN

JANUARY

85

WACCAMAW RIVER BASIN 021108125 WACCAMAW RIVER NEAR PAWLEYS ISLAND, SC--Continued Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

103 103 107 101 102

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

MIN

99 102 99 98 98

100 102 101 99 100

112 107 105 107 106

100 99 100 100 100

104 102 102 102 103

107 109 107 111 116

98 100 96 95 96

102 104 98 100 104

114 114 116 127 125

105 105 109 110 111

108 110 112 117 116

104 101 101 102 102

98 98 99 99 97

99 99 100 100 99

107 108 100 100 97

103 99 96 95 94

104 101 98 97 95

118 137 111 115 109

96 96 95 94 94

103 114 102 104 100

126 117 116 115 118

110 108 107 107 109

116 112 112 110 112

11 12 13 14 15

101 108 116 119 118

98 99 104 112 106

100 102 110 116 115

98 104 107 110 107

93 93 94 96 96

95 97 98 102 100

110 111 105 98 109

95 95 96 97 97

101 100 99 97 100

136 122 124 133 137

111 110 113 115 123

121 115 116 126 131

16 17 18 19 20

111 110 112 117 118

103 102 102 109 110

107 104 106 114 114

117 107 111 110 98

102 96 96 96 96

109 98 101 100 97

107 101 101 101 116

96 97 98 98 97

97 98 99 100 106

148 142 130 129 125

125 124 118 118 117

137 133 123 122 122

21 22 23 24 25

114 122 112 110 119

107 110 106 105 107

110 115 109 107 112

101 102 100 99 102

94 92 91 90 91

97 96 96 93 96

112 101 103 103 104

96 97 98 98 99

101 99 100 101 101

128 130 139 139 133

116 118 121 132 131

121 122 131 135 132

26 27 28 29 30 31

119 111 110 -------

107 106 104 -------

113 108 107 -------

106 100 107 112 103 112

97 92 97 97 97 98

102 98 101 104 98 104

104 107 103 114 112 ---

100 100 99 100 100 ---

103 103 101 106 104 ---

139 134 131 131 130 128

130 129 128 127 126 126

134 131 129 129 128 127

MONTH

122

97

106

117

90

100

137

94

102

148

105

122

Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN

MEAN

FEBRUARY

DAY

MIN MARCH

JUNE

MIN APRIL

JULY

MEAN

MAY

AUGUST

SEPTEMBER

1 2 3 4 5

128 126 126 125 124

123 123 122 117 118

125 125 125 122 121

135 137 -------

127 127 -------

131 131 -------

125 126 127 124 119

116 120 116 115 107

121 122 122 120 114

107 107 108 121 122

101 103 84 92 114

104 106 102 108 117

6 7 8 9 10

124 119 113 106 106

116 107 103 101 101

120 115 107 103 104

121 116 114 112 115

112 111 109 106 106

117 113 112 109 109

113 108 109 106 101

100 101 100 96 96

106 104 104 100 98

122 125 125 129 131

117 118 120 121 122

120 121 123 124 125

11 12 13 14 15

107 115 115 115 114

103 105 109 110 107

105 108 114 112 110

122 123 124 120 117

112 117 114 109 105

117 121 119 114 110

102 100 102 105 108

97 95 98 99 98

98 98 99 102 103

248 3150 5910 4950 480

123 126 143 133 128

144 510 1330 706 229

16 17 18 19 20

----114 121 122

----108 112 116

----110 116 119

111 111 112 114 120

105 107 108 110 105

108 109 110 112 115

104 102 -------

98 97 -------

101 99 -------

413 406 245 193 207

131 132 136 141 146

169 205 182 165 168

21 22 23 24 25

124 126 126 123 119

119 120 117 115 115

121 122 122 119 117

122 123 123 125 133

115 116 118 120 121

118 119 120 123 124

-----------

-----------

-----------

191 196 164 151 143

143 138 134 131 131

164 155 147 140 137

26 27 28 29 30 31

122 130 134 139 137 ---

114 119 124 126 127 ---

117 123 128 132 133 ---

126 127 125 123 123 ---

121 120 117 117 117 ---

123 123 121 120 120 ---

--104 105 103 108 110

--93 99 100 101 103

--98 101 101 104 106

146 146 2020 584 1160 ---

134 136 141 145 148 ---

139 141 275 228 230 ---

MONTH

---

---

---

---

---

---

---

---

---

5910

84

224

86

WACCAMAW RIVER BASIN 02110815 WACCAMAW RIVER AT HAGLEY LANDING NEAR PAWLEYS ISLAND, SC

LOCATION.--Lat 33°26'10'', long 79°10'51'', Georgetown County, Hydrologic Unit 03040206, on left bank at Hagley Landing, 0.2 mi upstream of Jericho Creek, 3.2 mi west of Pawleys Island and at mile 6.9. DRAINAGE AREA.--Indeterminate. GAGE-HEIGHT RECORDS PERIOD OF RECORD.--October 1989 to current year. GAGE.--Data collection platform. Datum of gage is 14.14 ft below NGVD of 1929. REMARKS.--Gage height tidally affected. Discharge records for the 1990-2000 water years were computed by utilization of the One-Dimensional unsteady flow simulation model (BRANCH). Three auxiliary stations (02110705, 02110802, and 02135190) were used in conjunction with this station for computation of discharge. Negative daily mean discharges were computed on many days, which were caused by two complete incoming and only one outgoing tide cycles during the day. EXTREMES FOR PERIOD OF RECORD.--Maximum gage height, 19.48 ft, Dec. 31, 1994; minimum gage height, 11.26 ft, Jul. 11, 2002. EXTREMES FOR CURRENT YEAR.--Maximum gage height, 18.90 ft, Feb. 28; minimum gage height, 12.07 ft, Dec. 12. Gage height, feet WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

18.31 18.14 17.90 17.77 17.77

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

14.54 14.62 14.25 14.42 14.54

16.58 16.48 16.22 16.22 16.20

17.39 17.54 17.22 17.70 17.40

13.48 13.76 13.82 14.28 13.70

15.50 15.72 15.50 15.98 15.39

17.28 17.40 17.09 16.93 16.86

13.42 13.58 13.53 13.40 13.39

15.34 15.53 15.36 15.26 15.12

16.98 16.99 16.89 16.99 17.01

13.27 13.30 13.39 13.17 12.95

15.08 15.20 15.26 15.17 15.11

17.86 17.86 18.15 18.12 18.17

14.81 14.82 15.25 15.00 14.86

16.41 16.43 16.79 16.75 16.62

17.19 16.97 17.24 17.53 17.80

13.61 13.40 13.31 13.88 13.73

15.65 15.33 15.36 15.94 15.98

16.91 17.12 17.13 17.43 17.85

13.20 13.27 13.18 12.91 13.16

15.25 15.36 15.17 15.39 15.51

----18.01 17.98 18.31

----13.21 13.09 13.65

----15.83 15.88 16.02

11 12 13 14 15

18.32 18.55 18.64 18.27 18.48

14.83 14.97 15.18 14.62 14.45

16.74 16.95 16.98 16.59 16.47

17.97 18.15 17.83 18.29 18.36

13.75 13.55 13.17 13.66 13.71

15.92 15.93 15.60 16.03 16.07

17.37 17.53 17.48 17.75 17.74

12.60 12.07 12.55 12.55 12.82

14.82 15.01 14.92 15.13 15.30

18.21 17.97 17.98 17.53 17.75

13.19 13.15 13.27 13.02 13.81

15.81 15.59 15.71 15.53 15.86

16 17 18 19 20

18.15 17.93 18.01 17.79 17.68

13.94 13.42 13.68 13.61 13.50

16.01 15.70 15.89 15.70 15.67

18.08 17.84 17.73 17.61 17.48

13.61 13.53 13.61 13.76 13.56

15.87 15.74 15.71 15.78 15.76

17.73 17.61 17.57 17.35 16.94

13.42 13.58 13.74 13.19 12.79

15.62 15.64 15.75 15.61 14.79

17.72 17.82 17.61 17.80 17.48

14.06 13.81 14.09 13.89 13.89

16.12 15.90 15.97 16.17 15.99

21 22 23 24 25

18.28 18.60 18.57 18.56 18.44

14.19 14.86 14.98 14.92 14.90

16.42 16.90 17.00 16.97 16.90

17.39 17.67 17.82 17.94 17.77

13.56 13.59 13.88 13.77 13.15

15.66 15.99 15.99 16.09 15.43

17.51 17.40 17.61 17.22 17.87

13.38 13.35 13.60 12.98 13.68

15.61 15.54 15.63 15.43 16.06

17.81 18.19 16.85 17.74 17.68

13.90 14.46 13.33 13.35 13.54

16.20 16.47 14.97 15.89 15.88

26 27 28 29 30 31

18.46 18.35 18.25 18.25 18.07 17.51

14.82 14.52 14.30 14.43 14.23 13.68

16.79 16.56 16.42 16.40 16.16 15.57

17.58 17.96 17.36 17.60 17.65 ---

12.99 13.61 13.40 13.29 13.68 ---

15.53 16.04 15.51 15.48 15.76 ---

18.11 17.62 17.76 17.53 17.22 17.15

14.21 13.74 13.72 13.61 13.26 13.34

16.17 15.67 15.77 15.53 15.17 15.11

18.04 17.85 17.88 17.90 17.94 17.66

14.32 13.85 14.34 14.36 14.19 14.28

16.16 16.03 16.20 16.27 16.18 16.08

MONTH

18.64

13.42

16.44

18.36

12.99

15.74

18.11

12.07

15.41

---

---

---

OCTOBER

MIN NOVEMBER

MIN DECEMBER

MIN

MEAN

JANUARY

87

WACCAMAW RIVER BASIN 02110815 WACCAMAW RIVER AT HAGLEY LANDING NEAR PAWLEYS ISLAND, SC--Continued Gage height, feet WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

17.82 18.09 18.30 18.05 18.33

6 7 8 9 10

MIN

MEAN

MAX

MIN

MEAN

MAX

MIN

MEAN

MAX

MIN

14.41 14.55 14.14 14.21 14.15

16.33 16.48 16.60 16.41 16.63

17.49 16.40 16.86 17.38 17.10

12.71 12.92 13.28 13.32 12.83

14.87 14.75 15.13 15.40 14.92

17.92 18.28 16.65 17.32 17.62

14.16 12.77 12.82 13.08 13.59

16.01 15.71 14.71 15.52 15.85

17.58 17.69 17.88 17.88 18.15

13.47 13.79 13.84 13.95 14.17

15.57 15.94 16.18 16.19 16.43

18.64 18.53 18.51 18.37 17.95

14.42 14.23 14.09 13.90 13.59

16.70 16.53 16.43 16.28 15.89

17.42 17.34 17.62 17.67 17.79

12.85 12.95 12.78 12.71 13.28

15.42 15.32 15.20 15.52 15.75

17.88 17.97 18.20 18.60 18.54

13.82 13.91 14.02 14.23 14.63

16.05 16.09 16.17 16.41 16.72

17.84 17.97 18.18 18.01 17.82

13.50 13.54 13.74 13.74 13.75

15.96 15.84 15.91 15.96 15.88

11 12 13 14 15

17.78 17.91 17.70 17.54 16.95

13.33 13.86 13.77 13.56 13.16

15.74 16.01 15.83 15.52 15.10

17.41 17.19 17.38 17.46 17.65

13.28 12.58 12.95 13.39 13.84

15.43 14.89 15.15 15.50 15.74

18.39 18.25 18.28 18.15 18.12

14.57 14.66 14.59 14.98 15.27

16.57 16.45 16.52 16.58 16.70

17.76 17.57 17.30 17.62 17.33

13.63 13.56 13.64 13.91 13.86

15.69 15.51 15.56 15.71 15.53

16 17 18 19 20

16.99 17.02 17.22 17.01 16.89

13.30 13.66 13.20 13.20 13.07

15.21 15.54 15.23 15.17 15.05

17.56 17.79 17.74 17.92 17.68

14.41 14.47 14.85 14.63 13.88

16.12 16.18 16.35 16.37 15.96

18.05 18.15 17.72 17.18 17.13

15.22 14.90 14.08 13.87 13.58

16.68 16.68 16.09 15.63 15.47

17.05 17.04 17.40 17.55 17.48

13.68 13.64 13.90 13.76 13.64

15.36 15.55 15.92 15.89 15.77

21 22 23 24 25

17.08 16.96 17.52 17.98 17.74

13.15 13.07 13.34 14.07 13.61

15.09 15.13 15.67 16.05 15.86

17.12 17.52 17.80 17.52 18.03

13.78 13.83 14.23 13.32 13.86

15.58 15.96 15.98 15.54 16.18

17.30 17.69 17.36 17.54 17.53

13.43 13.52 13.54 12.94 13.19

15.43 15.68 15.63 15.21 15.29

18.17 18.08 17.85 18.25 18.56

13.65 13.88 13.11 13.56 14.14

15.89 16.15 15.58 15.97 16.27

26 27 28 29 30 31

17.86 18.69 18.90 -------

14.20 14.27 14.15 -------

16.22 16.46 16.70 -------

18.24 18.34 18.10 17.77 17.84 17.90

14.29 14.63 14.03 13.50 13.94 13.99

16.41 16.78 16.26 15.48 15.95 15.95

17.89 17.87 17.58 17.72 17.81 ---

13.26 13.08 13.45 13.75 13.61 ---

15.45 15.42 15.53 15.69 15.69 ---

18.55 18.31 18.09 17.73 17.72 17.79

13.91 13.91 13.63 13.57 13.93 13.87

16.23 16.04 15.86 15.67 16.04 16.18

MONTH

18.90

13.07

15.92

18.34

12.58

15.68

18.60

12.77

15.92

18.56

13.11

15.88

MAX

MIN

MEAN

MAX

MIN

MEAN

MAX

MIN

MEAN

FEBRUARY

DAY

MARCH

JUNE

APRIL

Gage height, feet MIN MEAN MAX JULY

MEAN

MAY

AUGUST

SEPTEMBER

1 2 3 4 5

18.09 17.86 17.77 17.89 17.87

14.53 14.03 13.64 13.65 13.67

16.58 16.23 15.92 15.87 15.85

17.62 17.68 17.93 17.90 17.79

13.36 13.45 13.81 13.88 13.89

15.65 15.70 15.86 15.98 15.88

17.69 17.99 17.83 17.73 17.80

13.63 13.90 13.88 13.65 13.87

15.67 15.96 16.01 15.78 15.85

17.81 17.71 17.60 18.01 18.16

13.87 13.91 13.74 13.90 14.48

15.81 15.93 15.78 16.10 16.47

6 7 8 9 10

17.91 17.82 17.86 17.70 17.67

13.72 13.79 13.96 14.00 14.03

15.85 15.81 15.87 15.89 15.85

17.70 17.77 17.40 17.43 17.47

13.67 13.85 13.31 13.52 13.82

15.74 15.74 15.44 15.45 15.64

17.70 17.80 17.75 17.61 17.45

13.89 14.19 14.25 14.01 13.77

15.88 16.05 16.11 15.84 15.79

18.19 18.23 18.18 18.12 18.16

14.91 15.08 14.76 14.81 14.73

16.76 16.78 16.64 16.65 16.54

11 12 13 14 15

17.69 17.67 17.49 17.31 17.19

14.06 14.19 14.11 13.83 13.54

15.88 15.91 15.81 15.66 15.53

17.51 17.31 17.13 17.30 ---

13.85 13.76 13.51 13.73 ---

15.62 15.56 15.47 15.75 ---

17.49 17.49 17.57 17.66 17.63

13.86 13.83 13.64 13.63 13.38

15.84 15.79 15.70 15.79 15.65

18.19 18.34 18.52 17.57 17.90

14.54 14.50 15.08 13.40 13.12

16.52 16.66 17.05 15.72 15.41

16 17 18 19 20

17.33 17.88 18.16 18.52 18.42

13.53 13.85 14.13 14.12 13.87

15.60 16.07 16.31 16.43 16.33

17.40 17.58 17.72 17.70 17.73

13.33 13.22 13.13 12.90 12.77

15.50 15.51 15.49 15.39 15.24

17.82 18.12 18.41 18.33 18.26

13.19 13.24 13.74 13.78 13.75

15.60 15.74 16.17 16.18 16.10

18.37 18.34 18.12 18.14 18.16

13.86 13.94 13.94 13.91 13.91

16.23 16.28 16.22 16.14 16.11

21 22 23 24 25

18.22 17.91 18.03 18.14 18.19

13.57 13.09 12.94 13.51 14.04

16.07 15.62 15.38 15.80 16.13

17.90 18.03 18.12 18.12 18.15

12.85 13.16 13.48 13.86 13.71

15.30 15.57 15.76 16.07 15.91

18.15 18.08 18.01 17.90 18.43

13.85 13.92 13.97 13.83 14.86

16.08 16.14 16.20 16.06 16.80

17.99 18.03 17.80 17.73 17.87

13.75 13.91 13.97 14.00 14.37

16.03 16.10 16.04 16.00 16.33

26 27 28 29 30 31

18.29 17.70 17.46 17.44 17.52 ---

13.71 13.45 13.31 13.37 13.24 ---

16.00 15.58 15.56 15.61 15.56 ---

17.62 17.59 17.51 17.71 17.54 17.33

13.40 13.43 13.48 13.52 13.61 13.68

15.62 15.72 15.69 15.80 15.70 15.53

18.36 18.06 17.92 18.08 18.01 17.56

14.89 14.85 14.37 14.53 14.73 13.88

16.78 16.61 16.36 16.45 16.48 15.87

17.82 17.61 18.05 17.84 18.14 ---

14.66 14.29 14.72 14.38 14.44 ---

16.46 16.10 16.64 16.33 16.40 ---

MONTH

18.52

12.94

15.89

---

---

---

18.43

13.19

16.04

18.52

13.12

16.27

88

WACCAMAW RIVER BASIN 02110815 WACCAMAW RIVER AT HAGLEY LANDING NEAR PAWLEYS ISLAND, SC--Continued WATER-QUALITY RECORDS

PERIOD OF RECORD.--Water years 1986 to current year. PERIOD OF DAILY RECORD.-SPECIFIC CONDUCTANCE: May 1986 to current year. pH: August 1986 to September 1989 (discontinued). WATER TEMPERATURE: August 1986 to current year. DISSOLVED OXYGEN: August 1986 to current year. INSTRUMENTATION.--Water-quality multiprobe and data collection platform. REMARKS.--Specific conductance records rated excellent except for Mar. 30 to Apr. 19, July 5-27, Sep. 5-14, which are good. Temperature records rated excellent. Dissolved oxygen records rated excellent except for Dec. 21-27, Jan. 19-26, Apr. 19, June 30 to July 10, Aug. 6-14, which are good, Dec. 28 to Jan. 2, Jan. 19-26, July 11-21, Aug. 15-22, which are fair, and Jan. 3-6, July 22-27, which are poor. Prior to Oct. 1, 1991, specific conductance values less than 100 microsiemens were not recordable. Prior to October 1, 2003 dissolved oxygen concentrations are not corrected for salinity. EXTREMES FOR PERIOD OF DAILY RECORD.-SPECIFIC CONDUCTANCE: Maximum, 29,900 microsiemens, Sep. 22, 1989; minimum, 40 microsiemens, Aug. 30, 1992, Jan. 23, 1993, Feb. 2, 3, 1993. pH: Maximum, 8.0 units, May 26, 1988; minimum, 5.4 units, Sep. 29, 1987. WATER TEMPERATURE: Maximum, 33.5°C, Aug. 1, 1999; minimum, 1.0°C, Dec. 25, 26, 1989. DISSOLVED OXYGEN: Maximum, 12.6 mg/L, Jan. 2, 3, 2005; minimum, 0.2 mg/L, Sep. 14, 1996. EXTREMES FOR CURRENT YEAR.-SPECIFIC CONDUCTANCE: Maximum, 17,100 microsiemens, Sep. 13; minimum, 86 microsiemens, Oct. 10, 11. WATER TEMPERATURE: Maximum, 31.8°C, July 28; minimum, 4.7°C, Jan. 29. DISSOLVED OXYGEN: Maximum, 12.6 mg/L, Jan. 2, 3; minimum, 2.1 mg/L, Oct. 1. Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

MEAN

MAX

OCTOBER

MIN

MEAN

MAX

NOVEMBER

MIN

MEAN

MAX

DECEMBER

MIN

MEAN

JANUARY

1 2 3 4 5

104 104 103 97 96

99 102 97 93 93

101 103 100 95 94

133 133 135 1530 140

126 130 128 128 129

130 132 130 315 132

117 117 119 121 116

111 110 109 112 110

114 112 111 114 113

121 121 118 118 119

115 115 114 113 112

117 116 116 114 113

6 7 8 9 10

96 93 93 93 92

90 90 89 88 86

92 91 90 89 88

557 155 147 172 876

131 136 140 135 133

159 140 142 145 227

119 115 116 116 114

109 110 110 110 108

111 112 112 112 110

115 115 114 113 111

109 109 108 108 107

111 110 110 109 109

11 12 13 14 15

89 90 91 93 95

86 87 88 89 92

87 88 89 91 93

2320 2000 160 1570 2020

134 134 131 130 130

353 373 139 258 306

114 111 118 129 137

108 108 108 116 123

110 109 112 121 133

117 116 112 113 107

108 108 107 105 104

110 110 109 108 106

16 17 18 19 20

99 103 106 113 114

94 98 101 104 111

97 100 103 109 112

673 201 199 146 142

135 138 132 130 128

180 146 144 135 131

134 125 121 121 122

122 119 116 115 114

129 122 119 116 117

110 119 121 122 117

104 107 118 117 109

106 113 119 120 112

21 22 23 24 25

114 114 126 128 128

110 112 114 117 119

111 113 117 121 122

137 142 150 147 135

129 135 136 128 125

132 139 141 135 128

125 125 123 126 119

116 119 120 116 116

118 121 121 119 117

114 110 110 116 109

107 106 104 105 106

109 107 106 107 107

26 27 28 29 30 31

123 122 122 123 122 128

119 120 121 120 120 121

120 121 121 121 121 124

132 133 129 121 122 ---

129 127 119 118 116 ---

131 130 122 120 119 ---

121 120 124 121 128 124

117 117 117 117 116 116

118 118 119 118 119 118

109 101 102 101 103 102

98 98 98 99 99 99

103 99 99 100 100 100

MONTH

128

86

104

2320

116

170

137

108

117

122

98

109

89

WACCAMAW RIVER BASIN 02110815 WACCAMAW RIVER AT HAGLEY LANDING NEAR PAWLEYS ISLAND, SC--Continued Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

104 106 106 104 105

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

99 101 103 100 100

101 103 104 102 102

110 109 111 110 112

105 103 103 103 104

107 105 105 105 106

115 125 115 113 109

101 104 99 97 96

107 111 106 104 101

104 110 110 107 108

97 101 104 106 107

100 103 106 107 107

105 104 104 105 104

100 100 100 101 99

102 101 101 102 101

115 116 107 104 105

106 104 101 100 99

108 107 103 101 101

104 106 110 109 102

95 91 93 92 91

98 96 99 97 95

107 107 107 107 111

105 103 103 103 104

107 105 104 105 108

11 12 13 14 15

107 104 113 118 120

100 100 102 111 113

101 102 107 115 117

107 110 110 109 108

99 104 105 105 105

103 106 106 106 106

102 111 101 110 97

92 95 93 93 93

96 101 96 98 95

113 116 115 114 121

111 112 113 112 112

112 113 113 113 116

16 17 18 19 20

116 110 112 119 124

107 104 104 105 115

112 107 105 109 118

109 112 115 127 122

105 107 107 107 111

107 108 109 116 117

104 104 114 107 99

92 94 96 97 96

96 97 103 100 97

125 123 1040 1850 360

118 119 118 119 117

122 122 235 418 175

21 22 23 24 25

125 115 115 115 113

112 110 111 109 108

115 112 113 112 110

115 113 123 113 104

107 101 101 97 97

110 106 105 101 99

102 100 101 100 103

95 95 95 96 96

96 96 97 97 99

3710 1850 749 1400 4780

115 121 122 128 132

562 394 155 209 364

26 27 28 29 30 31

117 116 253 -------

110 110 109 -------

115 113 118 -------

110 105 103 107 120 113

98 97 96 95 96 100

102 99 99 99 106 105

107 106 103 100 98 ---

96 98 97 96 96 ---

100 100 99 97 97 ---

6010 3200 622 160 248 445

132 130 128 126 126 126

823 469 173 133 139 168

MONTH

253

99

108

127

95

105

125

91

99

6010

97

203

Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN

MEAN

FEBRUARY

DAY

MIN MARCH

JUNE

MIN APRIL

JULY

MIN

MEAN

MAY

AUGUST

SEPTEMBER

1 2 3 4 5

2290 1200 169 133 128

128 131 125 123 117

694 279 138 127 122

137 135 131 134 129

131 127 126 126 113

133 132 129 131 120

115 311 123 121 119

110 114 116 116 111

113 126 119 118 115

114 114 115 118 858

110 109 109 111 114

111 111 112 113 135

6 7 8 9 10

126 125 119 107 106

119 116 105 101 99

121 119 110 103 101

118 117 112 110 108

109 105 103 101 101

113 110 106 104 104

116 106 104 103 102

101 98 100 98 97

110 101 102 101 98

2120 4570 6410 8260 9040

119 129 147 183 182

495 1250 1650 2540 2870

11 12 13 14 15

107 109 112 113 109

100 102 104 108 105

103 105 108 111 107

114 120 121 118 111

104 108 114 111 104

108 115 118 114 109

101 102 105 106 107

97 97 98 100 104

98 99 100 101 105

11500 13900 17100 8520 7980

201 344 2440 252 186

3680 5600 8280 3390 1340

16 17 18 19 20

114 115 122 1560 227

103 111 110 112 118

109 112 113 207 129

108 108 110 113 110

104 101 103 103 105

105 104 107 108 108

108 107 105 106 108

101 99 100 101 102

104 102 102 103 105

12100 11000 8600 6910 6290

306 507 382 236 195

4290 4340 3180 1980 1600

21 22 23 24 25

157 146 161 177 877

123 123 123 123 122

127 127 127 134 205

114 120 120 131 132

106 110 110 111 115

108 111 112 116 119

110 109 112 104 102

105 104 103 99 98

107 106 105 102 100

5120 6600 6230 6430 8810

176 172 176 172 173

1110 1530 1630 1690 2600

26 27 28 29 30 31

1880 158 130 129 134 ---

119 119 120 123 127 ---

294 127 124 127 130 ---

119 118 117 117 115 114

116 113 113 112 111 108

117 115 114 114 113 111

100 102 111 111 110 112

97 97 101 106 106 109

99 98 105 108 107 110

8280 6360 11800 9900 12100 ---

363 192 255 680 693 ---

3610 1810 4630 4780 4760 ---

137

101

114

311

97

105

17100

109

2510

MONTH

2290

99

155

YEAR

17100

86

322

90

WACCAMAW RIVER BASIN 02110815 WACCAMAW RIVER AT HAGLEY LANDING NEAR PAWLEYS ISLAND, SC--Continued Temperature, water, degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

24.2 24.6 24.5 24.4 24.1

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

23.5 23.8 23.9 23.6 23.3

23.8 24.2 24.1 24.0 23.7

20.1 20.5 20.9 21.3 21.0

19.4 19.7 20.0 20.6 20.1

19.7 20.0 20.4 20.9 20.7

14.9 14.0 13.5 13.1 12.6

14.0 13.0 12.6 12.3 11.9

14.5 13.6 13.1 12.7 12.3

7.4 7.8 8.1 9.1 10.0

6.5 6.7 7.1 7.7 8.6

6.8 7.1 7.5 8.2 9.2

23.6 22.8 21.9 21.6 21.8

22.8 21.9 21.4 21.2 21.1

23.1 22.4 21.7 21.4 21.5

20.6 20.2 20.0 19.4 18.3

18.6 19.0 19.3 18.1 17.3

20.2 19.9 19.7 18.9 17.9

12.3 12.9 13.3 13.9 15.0

12.1 12.1 12.5 13.0 13.8

12.2 12.4 12.9 13.3 14.2

----12.5 13.1 13.7

----11.1 12.2 12.6

----11.7 12.6 13.1

11 12 13 14 15

21.9 21.6 21.8 21.7 21.1

21.3 21.1 21.0 21.0 20.0

21.5 21.3 21.3 21.3 20.7

17.8 17.6 17.2 15.9 15.1

16.9 16.8 15.9 14.8 13.1

17.2 17.2 16.7 15.4 14.5

14.3 13.9 13.9 13.4 12.6

13.4 13.3 13.2 12.5 11.0

14.0 13.6 13.5 13.0 11.7

13.8 13.8 14.4 14.7 14.2

12.8 13.2 13.5 14.0 12.9

13.3 13.4 13.9 14.4 13.3

16 17 18 19 20

20.3 20.2 20.2 20.8 21.1

19.3 19.0 19.1 19.9 20.4

19.8 19.6 19.7 20.2 20.7

14.6 14.4 14.1 14.2 14.3

13.2 13.3 12.7 13.6 13.7

14.1 13.9 13.7 13.9 14.0

11.4 10.5 10.2 9.7 8.9

9.7 9.5 9.5 8.9 6.7

10.6 10.2 9.9 9.4 7.9

13.1 12.3 11.2 9.3 8.1

11.8 10.9 8.8 7.7 7.4

12.4 11.6 10.1 8.7 7.8

21 22 23 24 25

20.9 20.8 20.2 19.7 19.4

20.4 20.1 19.5 19.0 19.0

20.7 20.4 19.9 19.5 19.2

14.3 14.5 15.1 15.8 16.6

13.8 13.9 14.3 14.7 15.4

14.0 14.2 14.6 15.2 16.0

7.7 7.7 9.0 8.5 7.5

7.0 7.1 7.3 7.5 7.0

7.4 7.4 7.9 7.9 7.3

8.2 8.0 7.7 6.2 6.4

7.5 7.5 5.8 5.3 5.5

7.8 7.6 6.8 6.0 5.9

26 27 28 29 30 31

19.2 19.2 19.0 18.9 19.5 20.1

18.7 18.5 18.7 18.6 18.6 19.0

19.0 18.9 18.9 18.7 18.9 19.4

15.9 15.5 15.6 15.3 14.9 ---

15.2 14.7 14.9 14.5 14.2 ---

15.6 15.2 15.4 14.9 14.6 ---

7.1 6.7 6.5 7.1 7.1 7.3

6.3 6.0 5.6 5.7 6.2 6.4

6.7 6.4 6.2 6.4 6.6 6.7

6.9 7.0 6.0 5.2 5.9 6.3

5.5 6.0 5.1 4.7 5.0 4.9

6.0 6.4 5.6 5.0 5.3 5.4

MONTH

24.6

18.5

21.0

21.3

12.7

16.6

15.0

5.6

10.4

---

---

---

MAX

MIN

MEAN

Temperature, water, degrees Celsius MAX MIN MEAN MAX MIN

MEAN

MAX

MIN

MEAN

OCTOBER

DAY

MIN NOVEMBER

FEBRUARY

MIN DECEMBER

MARCH

MIN

MEAN

JANUARY

APRIL

MAY

1 2 3 4 5

6.1 6.0 5.9 6.3 6.7

5.3 5.1 5.7 5.6 5.8

5.6 5.6 5.8 6.0 6.3

10.7 10.4 10.0 9.6 9.9

9.7 8.5 8.8 8.8 9.0

10.2 9.5 9.5 9.4 9.4

17.6 17.5 16.6 16.6 16.8

17.0 16.3 15.5 15.8 16.0

17.3 17.1 16.3 16.2 16.3

19.3 19.8 19.9 20.3 20.0

18.7 18.6 18.8 19.6 19.0

19.0 19.4 19.6 20.0 19.5

6 7 8 9 10

7.3 8.0 8.9 9.3 10.3

6.3 6.9 7.4 8.3 8.9

6.8 7.3 8.0 8.7 9.4

9.9 10.6 11.1 10.7 11.4

9.1 9.3 10.2 10.2 10.0

9.5 9.8 10.6 10.5 10.7

17.5 18.1 18.9 18.6 18.7

16.2 17.3 17.7 18.0 17.4

16.8 17.6 18.2 18.3 18.0

19.0 19.2 19.6 19.9 20.4

18.0 17.9 18.3 18.9 19.5

18.6 18.5 18.9 19.4 19.9

11 12 13 14 15

9.8 10.2 10.0 10.0 10.2

8.4 8.1 8.8 9.3 9.6

9.1 9.2 9.4 9.5 9.8

11.3 11.5 12.6 12.4 12.6

10.3 9.8 10.8 11.8 11.2

10.7 10.7 11.4 12.0 12.0

18.5 18.2 18.0 17.6 16.5

17.4 17.7 17.6 16.5 15.2

17.9 17.9 17.8 16.9 16.0

21.1 21.9 21.9 22.4 23.4

20.0 20.7 21.4 21.5 22.0

20.5 21.3 21.7 22.0 22.7

16 17 18 19 20

11.2 11.3 11.5 11.8 11.7

9.9 10.8 10.3 10.7 11.1

10.4 11.0 11.1 11.4 11.4

12.2 11.5 10.8 10.6 11.2

11.3 10.5 10.1 10.1 10.1

11.9 11.0 10.5 10.4 10.7

15.6 15.4 16.0 16.2 17.1

14.5 14.3 14.8 15.2 16.1

15.2 15.1 15.4 15.8 16.6

23.5 23.5 23.6 23.9 24.0

22.6 23.1 22.8 23.2 23.4

23.2 23.3 23.3 23.5 23.7

21 22 23 24 25

11.3 12.0 12.1 11.9 11.9

10.8 10.8 11.3 11.4 11.2

11.0 11.2 11.6 11.7 11.6

11.6 12.3 13.4 14.5 15.2

10.9 11.3 12.0 13.2 13.9

11.2 11.8 12.7 13.8 14.5

17.9 18.6 19.3 18.6 18.7

16.7 17.5 18.1 17.6 17.4

17.3 18.0 18.6 18.2 17.9

23.5 23.4 23.8 23.8 23.4

22.6 22.5 22.2 22.8 22.5

23.2 22.9 23.1 23.3 22.8

26 27 28 29 30 31

12.2 11.6 11.3 -------

10.7 10.9 10.4 -------

11.4 11.2 10.8 -------

15.9 15.9 17.3 17.6 17.3 17.5

14.8 15.5 15.8 15.4 16.0 16.7

15.4 15.7 16.4 16.4 16.6 17.0

17.8 19.0 18.3 18.7 19.0 ---

17.3 17.4 17.3 17.5 18.2 ---

17.6 18.0 17.9 18.1 18.6 ---

23.6 23.3 23.6 23.8 23.6 23.2

21.1 22.0 22.4 22.9 22.8 22.8

22.7 22.8 23.0 23.4 23.3 23.0

MONTH

12.2

5.1

9.4

17.6

8.5

12.0

19.3

14.3

17.2

24.0

17.9

21.7

91

WACCAMAW RIVER BASIN 02110815 WACCAMAW RIVER AT HAGLEY LANDING NEAR PAWLEYS ISLAND, SC--Continued Temperature, water, degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

MEAN

MAX

1 2 3 4 5

22.9 23.2 23.4 23.8 23.9

22.5 22.5 23.0 23.2 23.3

MEAN

MAX

6 7 8 9 10

MEAN

MAX

22.7 22.9 23.2 23.4 23.6

28.5 28.9 29.0 29.1 29.2

27.6 28.1 28.1 28.0 28.5

28.1 28.5 28.6 28.7 28.8

30.0 29.8 29.9 29.9 29.5

29.4 29.2 29.1 29.0 28.9

29.7 29.5 29.6 29.6 29.3

29.1 29.2 29.3 29.1 28.4

28.3 28.5 28.3 28.0 27.8

28.8 28.9 28.9 28.7 28.2

24.4 24.9 25.1 25.4 25.8

23.5 24.1 24.4 24.7 25.1

23.9 24.5 24.7 25.0 25.4

29.1 29.1 29.4 29.0 29.0

28.0 28.3 28.2 28.0 28.2

28.7 28.7 28.9 28.7 28.6

29.2 28.8 28.5 28.0 27.6

28.6 27.9 27.9 27.5 26.8

28.9 28.4 28.2 27.7 27.3

28.0 27.4 27.3 27.0 26.6

26.9 26.7 26.2 26.2 25.8

27.5 27.0 26.7 26.6 26.3

11 12 13 14 15

26.1 26.5 26.9 27.5 28.4

25.1 25.7 26.0 26.4 26.7

25.7 26.0 26.5 26.9 27.4

29.0 29.3 29.7 28.9 ---

28.5 28.5 28.4 28.4 ---

28.8 28.9 29.0 28.6 ---

27.8 28.1 28.2 28.4 29.6

26.9 27.1 27.5 27.8 28.1

27.3 27.6 27.9 28.2 28.8

26.1 25.5 25.3 24.8 25.4

25.1 24.7 24.6 24.3 24.3

25.6 25.3 25.0 24.6 24.8

16 17 18 19 20

28.7 28.6 28.3 27.8 27.4

27.4 27.8 27.7 26.7 26.7

28.0 28.2 28.1 27.6 27.1

29.2 29.6 29.6 29.7 30.2

28.1 28.4 29.0 28.7 29.1

28.6 29.0 29.3 29.3 29.7

29.6 30.1 29.6 29.9 30.1

28.8 29.1 29.0 29.0 28.7

29.3 29.6 29.4 29.4 29.6

26.0 26.6 27.2 27.5 27.7

25.0 25.5 26.1 26.5 26.4

25.4 25.9 26.5 26.9 27.1

21 22 23 24 25

27.2 27.3 27.6 27.8 27.5

26.2 26.2 26.4 26.8 26.9

26.9 26.8 27.1 27.3 27.1

30.5 30.4 30.7 30.7 31.1

29.6 29.1 29.6 29.4 29.4

30.0 29.9 30.1 30.2 30.3

30.6 30.7 30.3 30.0 29.3

29.4 29.7 29.0 29.2 28.4

29.9 30.1 29.9 29.6 28.8

28.0 28.0 28.2 28.2 28.0

26.3 27.0 27.0 27.3 27.6

27.3 27.5 27.6 27.8 27.8

26 27 28 29 30 31

27.6 27.8 27.6 27.8 28.0 ---

26.7 27.0 27.3 27.2 27.3 ---

27.1 27.5 27.5 27.5 27.7 ---

31.3 31.5 31.8 31.5 31.2 30.8

29.5 30.4 30.5 30.9 30.6 29.5

30.6 31.0 31.3 31.3 31.0 30.3

28.5 27.7 28.0 28.4 28.5 29.0

27.4 27.1 27.1 27.6 28.0 27.9

27.9 27.5 27.6 27.9 28.2 28.5

28.2 27.9 27.9 28.0 27.6 ---

27.5 27.4 27.2 27.1 26.6 ---

27.8 27.7 27.6 27.5 27.3 ---

MONTH

28.7

22.5

26.1

---

---

---

30.7

26.8

28.7

29.3

24.3

27.0

JUNE

MIN JULY

MIN AUGUST

MIN

MEAN

SEPTEMBER

92

WACCAMAW RIVER BASIN 02110815 WACCAMAW RIVER AT HAGLEY LANDING NEAR PAWLEYS ISLAND, SC--Continued

Dissolved oxygen, water, unfiltered, milligrams per liter WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

MEAN

MAX

OCTOBER

MIN

MEAN

MAX

NOVEMBER

MIN

MEAN

MAX

DECEMBER

MIN

MEAN

JANUARY

1 2 3 4 5

2.4 2.6 3.3 3.1 2.8

2.1 2.4 2.5 2.7 2.5

2.3 2.5 2.7 2.9 2.6

5.5 5.6 5.8 5.8 6.1

5.3 5.4 5.1 5.4 5.5

5.5 5.6 5.6 5.6 5.9

8.2 8.2 8.3 8.4 8.5

7.7 8.0 8.1 8.2 8.3

7.9 8.1 8.2 8.3 8.4

12.5 12.6 12.6 12.3 12.1

12.0 12.2 12.2 11.7 11.3

12.3 12.5 12.4 12.1 11.9

6 7 8 9 10

3.4 3.4 4.0 4.0 4.0

2.5 3.2 3.4 3.8 3.8

3.0 3.3 3.7 3.9 4.0

5.9 5.6 6.0 6.6 6.8

5.3 5.4 5.6 6.0 6.4

5.7 5.5 5.8 6.3 6.6

8.5 8.6 8.8 8.7 8.7

8.1 8.3 8.4 8.4 8.3

8.4 8.5 8.7 8.5 8.5

11.9 11.7 11.2 10.7 10.3

11.3 10.9 10.3 10.2 9.9

11.7 11.3 10.9 10.4 10.1

11 12 13 14 15

4.2 4.2 4.1 4.3 4.8

4.0 4.0 4.0 4.0 3.9

4.1 4.1 4.1 4.1 4.3

6.8 6.8 7.6 7.9 7.9

6.6 6.4 6.4 7.3 7.4

6.7 6.7 7.0 7.6 7.7

8.6 8.4 8.4 8.1 8.8

8.1 7.7 7.6 7.4 7.8

8.3 8.0 7.9 7.7 8.4

10.0 9.7 9.6 9.5 9.9

9.3 9.3 8.9 8.9 9.2

9.8 9.5 9.3 9.2 9.5

16 17 18 19 20

4.8 4.5 4.2 4.6 4.6

4.1 4.1 4.1 4.1 4.3

4.4 4.3 4.2 4.4 4.5

7.7 7.7 8.1 8.1 8.0

7.4 7.5 7.4 7.8 7.6

7.6 7.6 7.8 7.9 7.8

9.2 9.3 9.4 9.8 10.4

8.6 9.1 9.2 9.3 9.6

8.9 9.2 9.3 9.5 10.0

9.8 9.6 10.2 10.4 10.6

9.1 9.1 9.4 10.2 10.3

9.5 9.4 9.8 10.3 10.5

21 22 23 24 25

4.7 5.0 5.1 4.9 4.7

4.4 4.5 4.6 4.5 4.5

4.5 4.7 4.9 4.7 4.6

7.8 7.9 7.9 7.9 8.2

7.6 7.6 7.6 7.5 7.5

7.7 7.8 7.8 7.8 7.9

10.1 10.2 10.5 10.8 11.2

9.9 10.0 10.1 10.0 10.7

10.1 10.1 10.3 10.5 10.9

10.3 10.5 11.3 11.2 11.1

10.1 10.1 10.4 10.9 10.9

10.2 10.3 11.0 11.0 11.0

26 27 28 29 30 31

5.0 5.1 5.2 5.2 5.1 5.4

4.6 4.8 4.8 5.0 4.8 4.9

4.8 4.9 5.0 5.1 5.0 5.2

8.1 8.0 7.9 7.8 7.9 ---

7.7 7.6 7.6 7.4 7.6 ---

7.8 7.8 7.7 7.6 7.7 ---

11.5 11.6 11.8 11.9 12.1 12.3

11.1 11.2 11.4 11.6 11.6 11.8

11.3 11.4 11.6 11.8 12.0 12.2

11.2 11.5 11.9 11.9 11.8 11.7

10.8 11.0 11.4 11.6 11.5 11.5

11.0 11.3 11.6 11.7 11.6 11.6

MONTH

5.4

2.1

4.1

8.2

5.1

7.0

12.3

7.4

9.4

12.6

8.9

10.8

DAY

MAX

MIN

MAX

MIN

MEAN

1 2 3 4 5

11.6 11.6 11.6 11.7 11.6

11.4 11.5 11.4 11.4 11.3

11.5 11.5 11.5 11.6 11.6

10.3 10.4 10.1 10.1 10.5

9.7 10.0 9.9 9.9 10.1

10.0 10.2 10.0 10.0 10.3

6.9 8.0 7.9 7.3 7.2

6.3 6.4 7.3 6.9 6.9

6.7 7.2 7.6 7.2 7.1

6.7 6.3 6.3 6.2 7.3

6.1 5.6 5.6 5.9 6.0

6.4 6.1 6.2 6.1 6.6

6 7 8 9 10

11.6 11.5 11.5 11.3 11.2

11.2 11.2 11.0 10.9 10.6

11.5 11.4 11.4 11.1 10.9

10.5 10.4 10.3 10.4 9.9

10.0 10.0 10.0 9.8 9.6

10.4 10.3 10.2 10.0 9.7

7.2 7.0 6.6 6.4 6.4

6.6 6.6 6.1 5.8 5.6

7.1 6.9 6.5 6.1 6.0

7.6 7.1 7.0 6.8 6.6

7.1 6.8 6.6 6.4 6.0

7.3 7.0 6.8 6.6 6.3

11 12 13 14 15

11.1 10.8 10.5 10.3 10.2

10.4 10.4 10.1 9.9 9.8

10.8 10.5 10.3 10.2 10.1

10.0 10.1 9.8 9.7 9.6

9.4 9.5 9.3 9.2 9.2

9.7 9.8 9.6 9.5 9.5

6.3 6.3 6.2 6.5 7.5

5.6 5.8 5.8 6.0 6.1

6.0 6.1 6.0 6.2 6.6

6.3 6.3 6.2 6.3 6.0

5.9 5.8 5.9 5.7 5.5

6.2 6.1 6.1 5.9 5.8

16 17 18 19 20

10.1 10.1 10.0 9.9 9.8

9.8 9.6 9.5 9.2 9.2

10.0 9.9 9.8 9.5 9.4

9.6 9.5 9.5 9.2 9.4

9.1 9.3 9.2 9.0 9.0

9.4 9.4 9.4 9.1 9.3

7.5 7.3 7.3 7.4 7.4

6.9 6.9 7.0 7.1 7.1

7.3 7.1 7.1 7.3 7.3

6.0 6.0 6.0 6.0 6.2

5.4 5.7 5.7 5.6 5.6

5.8 5.8 5.8 5.8 5.9

21 22 23 24 25

10.0 10.2 10.0 9.9 9.9

9.4 9.8 9.7 9.6 9.4

9.8 10.0 10.0 9.7 9.6

9.6 9.8 9.7 9.2 8.7

9.3 9.3 9.2 8.7 8.2

9.5 9.7 9.5 9.1 8.5

7.3 7.1 7.3 7.1 6.8

7.0 6.7 6.6 6.6 6.3

7.2 7.0 6.9 6.8 6.5

6.3 6.2 6.1 6.1 6.1

5.6 5.5 5.3 5.5 5.5

6.0 5.9 5.8 5.7 5.7

26 27 28 29 30 31

9.9 10.0 10.2 -------

9.4 9.4 9.7 -------

9.6 9.7 9.9 -------

8.3 8.0 8.0 8.0 7.3 7.0

7.4 7.3 7.2 7.3 6.7 6.5

8.0 7.8 7.7 7.5 7.0 6.8

6.4 7.0 6.5 6.2 6.6 ---

6.2 6.1 6.0 5.9 6.1 ---

6.3 6.4 6.2 6.0 6.3 ---

5.8 5.8 6.0 5.9 6.1 6.0

5.2 5.2 5.5 5.5 5.6 5.6

5.5 5.6 5.8 5.8 5.8 5.8

MONTH

11.7

9.2

10.5

10.5

6.5

9.3

8.0

5.6

6.7

7.6

5.2

6.1

Dissolved oxygen, water, unfiltered, milligrams per liter MEAN MAX MIN MEAN MAX MIN MEAN

FEBRUARY

MARCH

APRIL

MAY

93

WACCAMAW RIVER BASIN 02110815 WACCAMAW RIVER AT HAGLEY LANDING NEAR PAWLEYS ISLAND, SC--Continued Dissolved oxygen, water, unfiltered, milligrams per liter WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

6.1 6.0 5.6 5.5 5.2

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

5.5 5.2 5.2 5.1 4.8

5.8 5.7 5.4 5.3 5.1

4.5 4.4 4.4 4.5 4.8

3.4 3.1 3.0 3.0 3.0

3.9 3.9 3.7 3.8 4.0

5.4 5.2 5.2 5.3 5.5

4.6 4.6 4.7 4.5 4.8

5.0 5.0 5.0 5.0 5.2

4.8 4.6 4.5 4.5 5.1

4.3 4.3 3.8 4.0 4.2

4.6 4.4 4.2 4.3 4.7

5.1 5.2 5.2 5.1 5.1

4.7 4.7 4.7 4.7 4.5

5.0 5.0 5.1 5.1 4.8

4.6 4.5 4.5 4.3 4.2

3.6 3.4 3.2 3.4 3.0

4.1 3.8 3.9 3.8 3.6

5.3 5.3 5.4 5.3 5.3

4.7 4.8 5.0 4.7 4.6

5.1 5.2 5.2 5.0 5.0

5.5 5.8 5.7 5.6 5.8

4.7 5.3 5.0 4.9 5.3

5.2 5.5 5.5 5.4 5.6

11 12 13 14 15

4.8 4.5 4.7 4.8 5.0

4.4 4.1 4.2 4.3 4.5

4.5 4.3 4.4 4.5 4.7

3.8 4.3 4.4 4.6 4.7

3.2 3.1 3.5 3.3 3.5

3.3 3.6 4.0 3.9 4.0

5.0 4.7 4.4 4.5 4.9

4.6 4.3 4.0 4.2 4.4

4.8 4.5 4.3 4.4 4.7

6.1 6.3 6.6 6.6 5.9

5.6 5.9 6.0 5.6 5.2

5.8 6.1 6.3 6.1 5.7

16 17 18 19 20

4.7 4.4 3.7 4.2 4.5

3.3 3.2 2.9 2.7 3.1

4.4 3.7 3.4 3.6 3.8

5.2 4.8 4.7 4.8 4.6

3.5 3.9 3.8 3.7 3.6

4.4 4.4 4.2 4.1 4.1

4.9 5.4 5.0 4.7 4.5

4.6 4.2 4.3 4.2 3.8

4.8 4.9 4.8 4.5 4.3

5.6 5.2 4.8 4.6 4.3

4.8 4.7 4.4 4.2 4.0

5.3 4.9 4.6 4.3 4.2

21 22 23 24 25

4.2 4.8 4.8 4.8 4.6

3.1 3.2 3.1 3.6 3.7

3.6 3.9 3.9 4.1 4.2

4.5 4.3 4.8 4.8 4.8

3.7 3.6 3.5 3.4 3.6

4.0 4.0 4.0 4.0 4.1

4.6 4.6 4.5 4.6 5.1

3.9 4.1 3.7 4.0 4.5

4.4 4.4 4.4 4.4 4.7

4.3 4.3 4.3 4.2 4.2

3.9 3.9 3.9 3.9 3.8

4.2 4.1 4.1 4.1 4.0

26 27 28 29 30 31

4.6 4.5 4.2 4.2 4.2 ---

3.2 2.9 3.3 3.1 3.4 ---

3.9 3.6 3.7 3.8 3.8 ---

4.7 5.1 5.2 5.2 5.0 5.3

3.9 3.8 4.5 4.4 4.6 4.7

4.2 4.7 4.9 4.9 4.8 4.9

5.0 4.5 4.5 4.5 4.6 5.0

4.1 4.0 4.0 4.0 4.1 4.1

4.6 4.3 4.3 4.3 4.2 4.7

4.2 4.2 4.4 4.3 4.4 ---

3.8 3.8 3.8 3.8 3.9 ---

4.0 4.0 4.1 4.1 4.2 ---

MONTH

6.1

YEAR

12.6

2.7

4.4

5.3

3.0

4.1

5.5

3.7

4.7

6.6

3.8

4.8

2.1

6.8

JUNE

MIN JULY

MIN AUGUST

MIN

MEAN

SEPTEMBER

94

PEE DEE RIVER BASIN 02130561 PEE DEE RIVER NEAR BENNETTSVILLE, SC

LOCATION.--Lat 34°36'22'', long 79°47'19'', Marlboro County, Hydrologic Unit 03040201, near the intake structure at Willamette Industries, 8.5 mi west of Bennettsville, and at mile 153.0. DRAINAGE AREA.--7,600 mi2, approximately. PERIOD OF RECORD.--November 1990 to current year. REVISED RECORDS.--WRD SC-2004-1:1991-2003. GAGE.--Data collection platform. Datum of gage is NGVD of 1929 (levels by Willamette Industries). REMARKS.--Records fair except for estimated daily discharges, which are poor. Records for 1991 to 2000 are rated poor. Flow regulated by powerplants above station (combined usable capacity of reservoirs, 30,819,624,000 ft3/s). Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

63400 43900 24500 17100 13400

2270 4510 3850 3750 5180

7350 7280 7420 7540 7020

6540 6180 6640 6890 7500

8620 9580 9680 10100 9130

16000 19700 14700 13000 12200

26700 19900 16400 14400 12500

5220 5280 4730 4850 5570

2380 4330 11300 12100 8330

7600 7000 4300 3510 e3000

11700 13200 11900 9780 8400

4570 4020 3640 1390 1090

6 7 8 9 10

8230 7830 6080 4910 2280

5430 3290 2560 2470 2840

3980 1300 1300 469 9300

7960 7280 2270 869 752

7690 6030 7290 8270 8730

10600 9910 9710 9690 9890

10300 9440 9180 10400 10900

5420 5060 3640 2680 5240

4880 2530 5610 6510 6680

e7000 8180 9000 11400 19300

4890 1970 2330 5770 6930

1020 2350 2050 2070 3680

11 12 13 14 15

1900 4180 5190 6180 6490

6250 5390 1500 1170 3020

11200 20700 22000 11200 5910

1340 5540 6450 9180 24600

7340 3720 3310 3320 7980

11800 10700 9900 9050 8960

11800 10800 10100 15600 26100

6520 6680 4280 e1700 e970

6460 4140 1310 5610 5340

13700 10500 9360 5470 e6000

8400 8920 6140 4780 5500

1140 960 3210 3040 3100

16 17 18 19 20

5040 5570 4240 4530 5240

2840 4610 4430 4180 4170

7020 7660 6640 5550 5640

25100 17700 13800 12200 11600

8380 9100 8660 3600 6010

9520 13400 24300 18600 11800

20900 14400 10900 9250 8410

e1740 3710 2750 3920 3750

4830 5700 3050 535 1620

6240 4890 4070 6150 5980

6290 7200 7120 7770 5880

3100 2760 2400 920 693

21 22 23 24 25

4780 3790 4210 1670 1830

5530 4710 4430 5610 6880

6490 6520 6560 6800 7460

10200 9910 9790 9800 9720

9180 7610 8310 7660 9660

9140 8500 8960 10000 10100

6190 7180 5070 1280 1650

4560 2410 4180 4780 4100

1730 3680 3460 2950 2030

5700 5840 6210 4520 3590

3380 4450 5350 5570 5900

2590 3000 2420 2560 884

26 27 28 29 30 31

3720 3790 4260 2560 3860 853

6880 6730 6740 7190 7320 ---

7950 8520 8450 7910 6320 6040

9130 5710 7850 8430 7380 7160

9400 5160 7220 -------

9750 6920 7230 19500 39800 38400

4700 4550 5290 5780 6250 ---

3230 2090 1710 604 446 490

945 1260 3920 7130 9510 ---

5660 6070 5520 4860 5830 5760

5070 4510 2690 3180 4180 5570

705 1520 997 1700 2180 ---

275513 8888 63400 853 1.17 1.35

135730 4524 7320 1170 0.60 0.66

235499 7597 22000 469 1.00 1.15

275471 8886 25100 752 1.17 1.35

210740 7526 10100 3310 0.99 1.03

421730 13600 39800 6920 1.79 2.06

326320 10880 26700 1280 1.43 1.60

112310 3623 6680 446 0.48 0.55

139860 4662 12100 535 0.61 0.68

212210 6845 19300 3000 0.90 1.04

194720 6281 13200 1970 0.83 0.95

65759 2192 4570 693 0.29 0.32

4952 11530 2003 1440 2002

4967 13660 2003 968 2002

5041 19000 2004 1418 2002

TOTAL MEAN MAX MIN CFSM IN.

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1991 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

4956 12680 1996 623 2002

5291 15270 1996 537 2002

6598 13590 2003 1549 2002

11330 26800 1998 2723 2001

11650 25820 1998 3187 2001

14930 35510 1993 3836 2002

11870 29110 2003 2730 2002

6753 16490 2003 1479 2002

5896 19430 2003 1561 2002

95

PEE DEE RIVER BASIN 02130561 PEE DEE RIVER NEAR BENNETTSVILLE, SC--Continued SUMMARY STATISTICS

FOR 2004 CALENDAR YEAR

ANNUAL TOTAL ANNUAL MEAN HIGHEST ANNUAL MEAN LOWEST ANNUAL MEAN HIGHEST DAILY MEAN LOWEST DAILY MEAN ANNUAL SEVEN-DAY MINIMUM MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE ANNUAL RUNOFF (CFSM) ANNUAL RUNOFF (INCHES) 10 PERCENT EXCEEDS 50 PERCENT EXCEEDS 90 PERCENT EXCEEDS e

FOR 2005 WATER YEAR

2536302 6930

WATER YEARS 1991 - 2005

2605862 7139

69700 469 1790

Sep 10 Dec 9 May 28

63400 446 1510 66100 85.65 0.939 12.76 12000 5910 1740

0.912 12.41 10400 5420 2110

7657 14570 2061 118000 48 484 124000 89.94 1.01 13.69 15200 5140 1200

Oct 1 May 30 Sep 24 Oct 1 Oct 1

Apr Jul Nov Apr Apr

12 10 16 12 12

2003 2002 2003 2000 2001 2003 2003

Estimated 100,000

50,000

DISCHARGE, IN CUBIC FEET PER SECOND

20,000

10,000

5000

2000

1000

500

200

100

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

96

PEE DEE RIVER BASIN 02130900 BLACK CREEK NEAR MCBEE, SC

LOCATION.--Lat 34°30'50'', long 80°11'00'', Chesterfield County, Hydrologic Unit 03040201, near right bank, at downstream side of bridge on U.S. Highway 1, 0.2 mi upstream from Little Alligator Creek, 5.8 mi northeast of McBee, and at mile 59.1. DRAINAGE AREA.--108 mi2. PERIOD OF RECORD.--October 1959 to current year. Occasional low-flow measurements, water years 1956-59. GAGE.--Data collection platform. Datum of gage is 224.72 ft above NGVD of 1929. Prior to December 22, 1959, nonrecording gage at same site and datum. REMARKS.--Records good except for estimated discharges, which are poor. Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

320 247 204 159 140

90 94 90 82 86

113 95 89 84 80

94 89 85 84 84

143 134 120 146 157

175 187 207 187 129

214 186 178 168 142

111 115 111 99 e99

138 196 219 233 243

205 198 225 252 236

300 292 257 230 160

60 54 47 42 39

6 7 8 9 10

140 138 128 120 114

93 101 96 89 78

82 92 93 89 98

79 80 79 78 78

160 135 118 107 111

114 112 124 146 163

128 129 147 174 200

e101 101 93 81 74

216 125 156 213 202

171 95 80 73 64

93 92 84 98 138

37 36 36 35 33

11 12 13 14 15

103 102 101 102 100

75 78 96 109 98

106 105 99 94 84

77 76 82 153 199

112 105 99 99 108

164 133 120 117 122

239 364 341 282 285

84 95 124 117 96

160 157 144 109 87

57 54 49 64 89

168 212 211 125 133

32 30 30 31 32

16 17 18 19 20

93 87 86 89 86

90 81 e79 e79 e78

81 81 77 81 83

214 230 218 170 125

115 117 108 97 94

127 171 191 206 220

309 286 235 187 157

99 84 71 63 71

76 63 51 45 44

80 85 71 68 125

146 158 188 139 136

32 31 29 28 28

21 22 23 24 25

77 81 84 83 89

e80 82 122 146 143

82 81 86 102 110

115 111 108 102 97

103 127 136 145 147

191 147 150 158 167

142 131 133 127 119

111 120 117 87 70

44 42 39 36 33

134 105 82 115 132

134 107 83 82 83

28 29 28 28 37

26 27 28 29 30 31

97 94 89 92 87 88

132 114 134 136 134 ---

111 116 116 108 106 101

96 95 92 89 112 135

151 148 156 -------

167 143 157 175 188 205

111 110 112 107 105 ---

74 61 52 50 64 101

32 32 56 192 210 ---

79 59 49 171 211 229

78 70 63 58 54 57

35 34 34 33 32 ---

3620 117 320 77 1.08 1.25

2985 99.5 146 75 0.92 1.03

2925 94.4 116 77 0.87 1.01

3526 114 230 76 1.05 1.21

3498 125 160 94 1.16 1.20

4963 160 220 112 1.48 1.71

5548 185 364 105 1.71 1.91

2796 90.2 124 50 0.84 0.96

3593 120 243 32 1.11 1.24

3707 120 252 49 1.11 1.28

4229 136 300 54 1.26 1.46

1040 34.7 60 28 0.32 0.36

110 272 1969 16.4 2002

108 357 1975 16.5 2002

117 370 1971 23.0 2002

103 346 2004 26.7 1968

TOTAL MEAN MAX MIN CFSM IN.

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1960 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

127 469 1991 31.7 2002

133 230 1972 38.2 2002

156 267 1973 49.2 2002

201 483 1998 87.8 2004

215 503 1998 88.7 2002

233 460 1998 93.1 2002

192 398 1998 66.1 1985

130 276 1991 39.4 2001

97

PEE DEE RIVER BASIN 02130900 BLACK CREEK NEAR MCBEE, SC--Continued SUMMARY STATISTICS

FOR 2004 CALENDAR YEAR

ANNUAL TOTAL ANNUAL MEAN HIGHEST ANNUAL MEAN LOWEST ANNUAL MEAN HIGHEST DAILY MEAN LOWEST DAILY MEAN ANNUAL SEVEN-DAY MINIMUM MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE ANNUAL RUNOFF (CFSM) ANNUAL RUNOFF (INCHES) 10 PERCENT EXCEEDS 50 PERCENT EXCEEDS 90 PERCENT EXCEEDS

FOR 2005 WATER YEAR

40612 111

WATER YEARS 1960 - 2005

42430 116

2150 22 27

Sep 9 Jul 26 Jul 21

364 28 a 28 395 8.74 1.08 14.61 204 102 46

1.03 13.99 180 89 41

a b c

Also occurred Sep. 20, 21, 23, 24. Also occurred Aug. 28-30, 2002. From rating curve extended above 1,800 ft3/s.

e

Estimated

Apr Sep Sep Apr Oct

152 265 53.0 2460 9.7 b 11 c 4500 13.07 1.41 19.11 276 129 45

12 19 18 12 1

Oct Aug Aug Oct Oct

13 13 8 12 12

1998 2002 1990 2002 2002 1990 1990

1000

DISCHARGE, IN CUBIC FEET PER SECOND

500

200

100

50

20

10

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

98

PEE DEE RIVER BASIN 02130910 BLACK CREEK NEAR HARTSVILLE, SC

LOCATION.--Lat 34°23'50'', long 80°09'00'', Darlington County, Hydrologic Unit 03040201, on right bank 50 ft upstream of bridge on State Road 23, 1,000 ft downstream from dam at H. B. Robinson Steam Electric Plant, 2.1 mi upstream from Beaverdam Creek, 4.6 mi west of Hartsville, and at mile 49.9. DRAINAGE AREA.--173 mi2. PERIOD OF RECORD.--October 1960 to current year. GAGE.--Data collection platform. Datum of gage is 177.48 ft above NGVD of 1929. Prior to January 12, 2000, at site 75 ft downstream at same datum. REMARKS.--Records good except for estimated daily discharges, which are poor. Some regulation by storage in Lake Robinson above station. Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

315 334 341 331 254

141 141 143 144 146

202 195 185 175 168

174 172 167 165 161

191 193 205 209 210

235 234 239 245 245

236 242 234 226 217

164 158 152 145 143

136 176 212 245 263

253 283 285 303 312

191 226 364 435 268

91 89 86 81 77

6 7 8 9 10

201 198 194 189 186

139 138 142 137 132

161 157 159 158 163

157 156 150 151 145

211 213 208 201 202

228 209 210 203 201

204 194 194 199 197

142 132 133 130 132

275 276 260 254 277

311 291 261 228 200

155 147 147 150 174

73 69 65 64 64

11 12 13 14 15

178 169 166 163 165

130 133 148 143 141

165 161 159 157 148

145 144 145 205 229

190 180 174 169 171

200 197 189 189 182

204 228 312 331 336

164 154 150 147 145

271 253 241 233 212

175 156 141 132 137

171 190 200 207 290

64 61 e58 e57 e54

16 17 18 19 20

158 152 146 144 146

142 142 138 137 136

139 138 137 138 136

240 256 266 267 265

170 173 168 159 156

195 214 217 222 231

329 327 323 309 286

143 138 130 121 123

189 167 145 132 118

137 133 131 131 168

264 239 252 271 278

54 55 e59 e61 e61

21 22 23 24 25

143 139 135 135 135

138 139 176 196 207

127 129 135 144 144

250 234 229 203 194

163 181 184 203 206

240 240 239 235 229

262 240 230 210 192

131 128 130 132 124

106 99 94 88 83

207 223 248 286 226

283 262 176 127 89

e67 68 67 69 88

26 27 28 29 30 31

136 137 139 141 142 141

204 201 210 206 203 ---

167 173 173 174 175 176

188 187 176 172 186 187

208 214 236 -------

220 220 216 217 215 221

178 174 166 156 154 ---

117 111 107 103 110 117

79 75 98 170 229 ---

210 248 260 237 238 209

90 92 99 101 88 91

86 86 81 e79 e77 ---

TOTAL MEAN MAX MIN CFSM IN.

5653 182 341 135 1.05 1.22

4673 156 210 130 0.90 1.00

4918 159 202 127 0.92 1.06

5966 192 267 144 1.11 1.28

5348 191 236 156 1.10 1.15

6777 219 245 182 1.26 1.46

7090 236 336 154 1.37 1.52

4156 134 164 103 0.77 0.89

5456 182 277 75 1.05 1.17

6760 218 312 131 1.26 1.45

6117 197 435 88 1.14 1.32

2111 70.4 91 54 0.41 0.45

163 376 1973 35.2 2002

160 447 1975 26.1 2002

177 466 1971 37.4 2002

158 467 2004 69.8 2001

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1961 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

176 539 1991 62.8 2002

188 299 1972 67.6 2002

220 393 1977 79.3 2002

282 641 1998 126 2002

297 713 1998 138 2002

320 649 1998 120 2002

260 533 1998 109 1985

188 364 1991 71.2 2002

99

PEE DEE RIVER BASIN 02130910 BLACK CREEK NEAR HARTSVILLE, SC--Continued SUMMARY STATISTICS

FOR 2004 CALENDAR YEAR

ANNUAL TOTAL ANNUAL MEAN HIGHEST ANNUAL MEAN LOWEST ANNUAL MEAN HIGHEST DAILY MEAN LOWEST DAILY MEAN ANNUAL SEVEN-DAY MINIMUM MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE ANNUAL RUNOFF (CFSM) ANNUAL RUNOFF (INCHES) 10 PERCENT EXCEEDS 50 PERCENT EXCEEDS 90 PERCENT EXCEEDS

FOR 2005 WATER YEAR

62324 170

WATER YEARS 1961 - 2005

65025 178

2070 58 63

Sep 9 Jul 24 May 30

435 54 a 57 552 7.16 1.03 13.98 262 172 91

0.984 13.40 251 142 76

a b

Also occurred Sep. 16. From rating curve extended above 1,100 ft3/s.

e

Estimated

215 358 79.3 2890 6.1 8.3 b 4450 12.35 1.24 16.92 360 188 91

Aug 4 Sep 15 Sep 12 Aug 4 Aug 4

Oct Aug Aug Oct Oct

13 11 6 13 13

1998 2002 1990 2002 2002 1990 1990

1000

DISCHARGE, IN CUBIC FEET PER SECOND

500

200

100

50

20

10

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

100

PEE DEE RIVER BASIN 02130980 BLACK CREEK NEAR QUINBY, SC

LOCATION.--Lat 34°14'37'', long 79°44'42'', Florence County, Hydrologic Unit 03040201, at downstream side of bridge on State Road 26, 2.1 mi northeast of Florence, and at mile 15.4. DRAINAGE AREA.--438 mi2. WATER-DISCHARGE RECORDS PERIOD OR RECORD.--October 2001 to current year. GAGE.--Data collection platform. Elevation of gage is 170 ft above NGVD of 1929 (from topographic map). REMARKS.--Records good except for estimated daily discharges, which are poor. Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

1050 845 750 768 e805

368 352 344 334 353

564 508 491 479 451

462 450 432 425 422

507 460 476 574 592

817 793 703 630 583

621 656 672 639 584

362 367 360 343 313

319 535 686 775 773

722 719 826 1300 1330

822 762 569 444 445

308 278 241 229 217

6 7 8 9 10

832 750 590 518 485

379 352 327 328 323

434 439 441 428 450

417 410 396 384 378

560 518 481 473 524

564 553 600 656 625

550 514 505 521 485

329 354 327 290 270

709 598 593 608 610

1010 749 701 665 609

588 616 409 406 636

207 197 193 187 176

11 12 13 14 15

460 440 427 435 429

e335 e353 392 409 386

489 496 453 423 411

376 374 421 572 750

520 495 471 456 453

576 525 475 459 466

463 453 546 717 905

350 532 e476 e452 e423

575 523 522 493 435

543 469 388 341 e332

538 497 446 403 418

157 163 157 155 162

16 17 18 19 20

438 417 393 366 363

365 361 335 336 345

399 383 374 360 356

761 692 612 552 543

437 414 414 406 394

550 812 898 827 704

886 778 688 644 607

e395 e369 e347 e321 e310

387 358 310 276 274

320 347 323 359 452

412 397 840 874 980

173 156 150 150 149

21 22 23 24 25

359 351 346 343 339

335 334 549 718 718

366 365 364 368 370

557 560 538 515 e477

404 489 524 583 678

639 602 667 716 716

580 546 508 484 458

e310 e298 e289 288 265

243 225 205 192 183

523 555 565 528 475

780 646 648 616 513

186 271 269 210 211

26 27 28 29 30 31

341 348 351 364 375 380

629 520 552 594 589 ---

447 547 569 546 514 474

e463 e452 424 410 446 494

672 617 727 -------

638 615 675 e716 e708 618

417 391 366 e349 349 ---

261 254 220 208 229 238

176 187 311 500 647 ---

439 412 333 359 816 776

410 319 288 275 260 286

236 259 224 208 205 ---

15458 499 1050 339 1.14 1.31

12615 420 718 323 0.96 1.07

13759 444 569 356 1.01 1.17

15165 489 761 374 1.12 1.29

14319 511 727 394 1.17 1.22

20126 649 898 459 1.48 1.71

16882 563 905 349 1.28 1.43

10150 327 532 208 0.75 0.86

13228 441 775 176 1.01 1.12

18286 590 1330 320 1.35 1.55

16543 534 980 260 1.22 1.41

6084 203 308 149 0.46 0.52

307 467 2003 125 2002

435 688 2003 79.8 2002

407 534 2005 108 2002

626 1786 2004 203 2005

TOTAL MEAN MAX MIN CFSM IN.

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 2002 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

296 499 2005 155 2002

313 420 2005 174 2002

346 444 2005 201 2002

347 489 2005 263 2004

458 526 2003 285 2002

643 1153 2003 260 2002

513 927 2003 254 2002

308 500 2003 150 2002

101

PEE DEE RIVER BASIN 02130980 BLACK CREEK NEAR QUINBY, SC--Continued SUMMARY STATISTICS

FOR 2004 CALENDAR YEAR

ANNUAL TOTAL ANNUAL MEAN HIGHEST ANNUAL MEAN LOWEST ANNUAL MEAN HIGHEST DAILY MEAN LOWEST DAILY MEAN ANNUAL SEVEN-DAY MINIMUM MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE ANNUAL RUNOFF (CFSM) ANNUAL RUNOFF (INCHES) 10 PERCENT EXCEEDS 50 PERCENT EXCEEDS 90 PERCENT EXCEEDS e

FOR 2005 WATER YEAR

184368 504

WATER YEARS 2002 - 2005

172615 473

6090 126 138

Sep 9 Jun 3 May 30

1330 149 156 1390 9.34 1.08 14.66 718 447 250

1.15 15.66 814 353 199

416 530 189 6090 48 53 6450 16.80 0.950 12.90 704 335 151

Jul 5 Sep 20 Sep 14 Jul 5 Jul 5

2003 2002 Sep 9 2004 Aug 13 2002 Aug 9 2002 Sep 9 2004 Sep 9 2004

Estimated 10,000

DISCHARGE, IN CUBIC FEET PER SECOND

5000

2000

1000

500

200

100

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

102

PEE DEE RIVER BASIN 02130980 BLACK CREEK NEAR QUINBY, SC--Continued PRECIPITATION RECORDS

PERIOD OF RECORD.--October 2001 to current year. INSTRUMENTATION.--Tipping bucket raingage and data collection platform. REMARKS.--Precipitation data collected during freezing periods may not be accurately reflected in daily record; consequently, winter record is poor. Precipitation, total, inches WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY SUM VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

0.00 0.00 0.72 0.00 0.00

0.00 0.00 0.00 0.23 0.00

0.02 0.00 0.00 0.00 0.00

0.00 0.00 0.00 0.00 0.00

0.00 0.00 --0.00 0.00

0.00 0.00 0.00 0.00 0.00

0.08 0.04 0.00 0.00 0.00

0.02 0.00 0.00 0.00 0.44

--------0.00

0.45 0.01 0.35 0.00 0.00

0.00 0.00 0.00 0.00 0.05

0.00 0.00 0.00 0.00 0.00

6 7 8 9 10

0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00 0.00 0.00

0.09 0.00 0.00 0.03 0.39

0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00 0.29 0.04

0.00 0.00 0.49 0.00 0.00

0.00 0.00 0.29 0.03 0.00

0.02 0.00 0.00 0.00 0.41

0.00 ----0.00 0.02

0.00 0.11 0.00 0.00 0.11

1.47 0.02 0.05 0.05 0.03

0.00 0.00 0.00 0.00 0.00

11 12 13 14 15

0.00 0.00 0.14 0.00 0.25

0.00 0.94 0.00 0.00 0.00

0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.71 0.76 0.00

0.00 0.00 0.00 0.02 0.00

0.00 0.00 0.00 0.04 0.00

0.00 0.06 0.85 0.59 0.00

0.01 0.00 0.00 0.00 1.71

0.00 0.00 0.00 0.00 0.00

0.00 0.02 0.04 0.10 0.20

0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.02 0.01 0.00

16 17 18 19 20

0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00 0.03 0.00

0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00 0.00 0.07

1.54 0.05 0.00 0.00 0.00

0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00 0.00 1.27

0.00 0.00 0.00 0.31 0.01

0.00 0.00 0.37 0.53 0.03

0.00 0.00 0.10 0.00 0.00

0.00 0.02 0.00 0.00 0.00

21 22 23 24 25

0.00 0.00 0.00 0.08 0.00

0.00 0.31 1.11 0.01 0.01

0.00 0.00 0.20 0.00 0.00

0.00 0.04 0.00 0.00 0.00

0.72 0.00 0.00 0.78 0.00

0.00 0.45 0.04 0.00 0.00

0.00 0.15 0.03 0.00 0.00

0.25 0.00 0.00 0.30 0.00

0.00 0.00 0.00 0.00 0.03

0.00 0.00 0.02 0.01 0.00

0.00 0.00 0.00 0.00 0.00

0.05 0.00 0.00 0.44 0.00

26 27 28 29 30 31

0.00 0.00 0.23 0.11 0.00 0.00

0.00 0.72 0.01 0.00 0.00 ---

0.19 0.09 0.00 0.00 0.00 0.00

0.00 0.00 0.00 ----0.00

0.00 0.71 0.13 -------

0.00 0.58 0.36 0.00 0.00 0.17

0.00 0.00 0.00 0.01 0.28 ---

0.00 0.00 0.00 0.00 -----

0.27 0.00 2.92 1.41 0.03 ---

0.00 0.00 0.06 1.76 0.00 0.41

0.01 0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00 0.00 0.00 ---

TOTAL

1.53

3.34

1.04

---

---

3.72

2.41

---

---

4.58

1.78

0.54

103

PEE DEE RIVER BASIN 02131000 PEE DEE RIVER AT PEE DEE, SC

LOCATION.--Lat 34°12'15'', long 79°32'55'', Marion County, Hydrologic Unit 03040201, at downstream side of downstream bridge on U.S. Highway 76 at Pee Dee, 0.2 mi downstream from Seaboard Coast Line Railroad bridge, 8.2 mi downstream from Black Creek, and at mile 100.2 DRAINAGE AREA.--8,830 mi2, approximately. PERIOD OF RECORD.--October 1938 to current year. Monthly discharge only for some periods, published in WSP 1303. Prior to October 1947, published as near Mars Bluff. Gage-height records collected at practically same site since 1923 are contained in reports of National Weather Service. GAGE.--Data collection platform. Datum of gage is 24.73 ft above NGVD of 1929. Prior to Oct. 1, 1947, at site 1.6 mi downstream at datum 1.27 ft lower. REMARKS.--Records poor except for estimated daily discharges, which are poor. Flow regulated by six powerplants above station (combined usable capacity of reservoirs, 30,819,624,000 ft3). Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

20200 22600 25600 29500 31400

3300 3880 6260 5840 5860

10500 10500 10400 10500 10500

8190 8200 7990 8160 8490

8700 9680 10700 11400 11900

9420 14500 16500 16400 16100

19100 20800 22100 21800 20400

7950 7320 7040 6650 6550

1800 3360 6480 12600 14300

11600 11400 10600 8710 7270

7170 11300 13100 13100 11900

5510 4940 4200 3640 e2080

6 7 8 9 10

29500 26100 22700 19400 16600

7120 7400 5810 4490 4070

9920 7070 3870 2920 2590

9000 9470 8650 4960 2370

11500 10100 8590 8770 9560

15500 14500 13400 12700 12200

18900 17300 15800 14600 14000

7070 7190 6800 5440 4360

13100 10000 6760 7800 9110

6290 8890 10500 11200 13400

10400 7270 3820 3050 5790

e1060 e930 e1500 1930 2080

11 12 13 14 15

12700 9800 9300 9470 10100

4680 7630 7350 4240 2960

9260 12500 16500 17900 16900

1650 2110 5500 7220 10900

10200 8940 5960 4380 4430

12100 12700 12500 11900 11100

13800 13800 13600 13500 15300

6350 7920 8530 6660 3420

9650 9440 7120 4380 6990

16200 15800 14500 12800 9390

7340 8820 9420 7660 5860

3060 e1700 e900 e2200 2960

16 17 18 19 20

10400 9260 9010 7800 7530

4130 4740 6240 6380 5980

14100 12300 11300 9820 8250

16800 18500 18900 18700 17800

7890 9230 10000 9400 5730

10800 11400 14300 17000 17500

17200 18000 18200 17500 16100

2080 2530 4500 4220 5120

7610 7250 7590 5460 2750

8250 7440 6000 5150 6480

6000 6640 7700 8860 9320

2970 2990 2760 2370 e1400

21 22 23 24 25

8050 7770 6840 6460 4330

6150 7180 7050 6990 8180

7530 7800 7960 8050 8260

16600 15300 14000 13000 12400

6490 9130 8930 9270 9470

16900 15400 13900 13000 12700

14700 12600 11500 8920 4890

5380 5710 4510 5420 6290

2570 3160 4710 4990 4260

6850 6670 6730 6810 5480

7640 5260 5330 5990 6340

854 2100 2920 2700 2590

26 27 28 29 30 31

3830 5560 5990 6190 5230 5540

9450 9830 9970 9960 10200 ---

8950 9720 10400 10700 10300 9000

11900 11000 8610 8780 9390 8970

10700 10600 8300 -------

12400 11900 10200 10100 15100 17700

3540 5800 6210 6820 7420 ---

5790 4630 3490 2890 2110 1710

3340 2350 2670 5360 9040 ---

4440 5730 6370 5960 5550 6310

6580 5860 4870 3330 3240 4210

1470 982 1310 e1450 1600 ---

404760 13060 31400 3830 1.48 1.71

193320 6444 10200 2960 0.73 0.81

306270 9880 17900 2590 1.12 1.29

323510 10440 18900 1650 1.18 1.36

249950 8927 11900 4380 1.01 1.05

421820 13610 17700 9420 1.54 1.78

424200 14140 22100 3540 1.60 1.79

165630 5343 8530 1710 0.61 0.70

196000 6533 14300 1800 0.74 0.83

268770 8670 16200 4440 0.98 1.13

223170 7199 13100 3050 0.82 0.94

69156 2305 5510 854 0.26 0.29

6515 21520 1975 1682 2002

6632 16560 2003 1107 2002

6591 49130 1945 1380 1954

TOTAL MEAN MAX MIN CFSM IN.

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1939 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

6697 29150 1965 984 2002

6636 18760 1948 773 2002

8817 22710 1949 1916 2002

12530 26840 1993 3268 1956

15410 44410 1960 4042 2001

17140 36910 1979 5505 1981

14060 31790 1984 4055 1981

9068 24620 1958 2355 2002

7335 22180 2003 2079 2002

104

PEE DEE RIVER BASIN 02131000 PEE DEE RIVER AT PEE DEE, SC--Continued SUMMARY STATISTICS

FOR 2004 CALENDAR YEAR

ANNUAL TOTAL ANNUAL MEAN HIGHEST ANNUAL MEAN LOWEST ANNUAL MEAN HIGHEST DAILY MEAN LOWEST DAILY MEAN ANNUAL SEVEN-DAY MINIMUM MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE ANNUAL RUNOFF (CFSM) ANNUAL RUNOFF (INCHES) 10 PERCENT EXCEEDS 50 PERCENT EXCEEDS 90 PERCENT EXCEEDS

FOR 2005 WATER YEAR

3030050 8279

WATER YEARS 1939 - 2005

3246556 8895

37400 1260 2380

Sep 14 Jun 1 May 29

31400 854 1730 31600 23.77 1.01 13.68 16300 7990 2920

0.938 12.77 14300 6920 3180

Oct 5 Sep 21 Sep 7 Oct 5 Oct 5

a

9756 16470 2778 217000 664 701 220000 b 33.30 1.10 15.01 19900 6990 2860

Sep Oct Nov Sep Sep

22 30 15 22 22

1960 2002 1945 2001 2001 1945 1945

a b

From rating curve extended above 76,000 ft3/s on basis of discharge measurement of 221,000 ft3/s at Cheraw. At datum then in use.

e

Estimated 100,000

50,000

DISCHARGE, IN CUBIC FEET PER SECOND

20,000

10,000

5000

2000

1000

500

200

100

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

105

PEE DEE RIVER BASIN 02131010 PEE DEE RIVER BELOW PEE DEE, SC LOCATION.--Lat 34°08'41'', long 79°32'43'', Florence County, Hydrologic Unit 03040201, on right bank at Stone Container boat landing, 1.5 mi east of Oak Grove, 5.2 mi downstream of U.S. Highway 76 and 301, and at mile 95.0. DRAINAGE AREA.--8,850 mi2, approximately. PERIOD OF RECORD.--October 1996 to current year. GAGE.--Data collection platform. Elevation of gage is 19 ft above NGVD of 1929 (from topographic map).

REMARKS.--Records poor. Flow regulated by six powerplants above station (combined usable capacity of reservoirs, 30,819,624,000 ft3). Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

18800 e21800 e26000 30500 34100

3950 4130 6910 6630 6430

e11300 e11400 e11400 e11400 e11300

e9200 e9000 e8900 9150 9470

9200 9990 10900 11500 11900

10100 14200 15800 16000 16000

18700 21300 23600 24000 23000

9570 9010 8620 8200 8050

1790 3690 7030 12700 14400

11900 11800 11200 9560 8130

7810 11500 13100 13200 12400

5960 5510 4680 4080 2280

6 7 8 9 10

33600 30100 e25400 20300 16900

7890 8250 6660 5110 4530

e11100 8400 4740 3430 2690

9950 10400 9820 6170 3020

11600 10500 9050 9110 9840

15600 14900 14200 13600 13100

20600 18400 16800 15900 15300

8560 8710 8330 6900 5520

e13600 11200 7960 8570 9880

6930 9370 10900 11600 13200

11200 8420 4570 3180 6160

1260 1030 1680 1970 2030

11 12 13 14 15

14100 11400 10700 10600 11000

5040 8290 8350 5000 3230

9690 13000 15500 16600 16400

2020 2260 6140 8140 11300

10400 9510 6590 4850 4550

13000 13400 13300 12800 12100

15100 15100 14900 14800 15900

7530 9240 9880 8210 4620

10400 10300 8170 5070 e5700

15300 15300 14600 13400 10500

7890 9320 9980 8480 6550

3270 1910 1020 2400 3160

16 17 18 19 20

11200 10300 10000 8930 8530

4520 5180 6920 7170 6740

14800 13600 12700 11400 9830

15300 16500 17000 17100 16700

8230 9620 10400 10100 e6000

11800 12300 14400 16400 17000

17200 18400 19100 18500 17200

2730 2870 5500 5180 6130

e8800 e7500 e7700 e6000 e3000

9170 8400 6870 5840 7090

6520 7250 8240 9400 9950

3170 3190 2950 2490 1520

21 22 23 24 25

9010 8800 7760 7300 5100

6860 7980 7950 7870 e9080

9000 9170 9330 9400 9590

16000 15100 14300 13500 12900

e6600 e9200 e9000 e9500 10200

16900 16000 15000 14200 13800

16200 14600 13500 11200 6970

6460 6820 5550 6340 7350

e2900 3290 4990 5520 4790

e7400 e7350 7500 7630 6300

8560 5980 5820 6530 6890

e1200 e1900 3050 2820 e2700

26 27 28 29 30 31

4160 6150 6680 6990 5880 6300

e10300 e10600 e10800 e10900 e11100 ---

10200 10900 11500 11800 11500 e10000

12400 11600 9480 9380 9910 9540

11300 11400 9420 -------

13600 13100 11700 11400 15100 17100

4890 7280 7840 8420 9050 ---

6910 5660 4310 3510 2500 1810

3740 2480 2470 5680 9320 ---

4990 6260 7050 6700 6170 6970

7190 6510 5470 3780 3480 4510

e1700 e1100 e1300 e1400 e1600 ---

438390 14140 34100 4160 1.60 1.84

214370 7146 11100 3230 0.81 0.90

333070 10740 16600 2690 1.21 1.40

331650 10700 17100 2020 1.21 1.39

260460 9302 11900 4550 1.05 1.09

437900 14130 17100 10100 1.60 1.84

463750 15460 24000 4890 1.75 1.95

200580 6470 9880 1810 0.73 0.84

208640 6955 14400 1790 0.79 0.88

285380 9206 15300 4990 1.04 1.20

239840 7737 13200 3180 0.87 1.01

74330 2478 5960 1020 0.28 0.31

5725 16120 2003 1760 2002

5338 16500 2003 1136 2002

5997 18680 2004 1832 2002

TOTAL MEAN MAX MIN CFSM IN.

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1997 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

6165 14140 2005 1068 2002

5437 11170 2003 778 2002

7724 13830 2003 1993 2002

9998 22580 1998 3575 2001

12870 30550 1998 4291 2001

13610 30570 2003 5747 2002

12080 32700 2003 4448 2002

8107 16720 2003 2357 2001

6389 23010 2003 2096 2002

106

PEE DEE RIVER BASIN 02131010 PEE DEE RIVER BELOW PEE DEE, SC--Continued SUMMARY STATISTICS

FOR 2004 CALENDAR YEAR

ANNUAL TOTAL ANNUAL MEAN HIGHEST ANNUAL MEAN LOWEST ANNUAL MEAN HIGHEST DAILY MEAN LOWEST DAILY MEAN ANNUAL SEVEN-DAY MINIMUM MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE ANNUAL RUNOFF (CFSM) ANNUAL RUNOFF (INCHES) 10 PERCENT EXCEEDS 50 PERCENT EXCEEDS 90 PERCENT EXCEEDS e

FOR 2005 WATER YEAR

3146867 8598

WATER YEARS 1997 - 2005

3488360 9557

37300 987 2160

Sep 15 May 18 May 29

34100 1020 1800 34600 29.63 1.08 14.66 16000 9050 3170

0.972 13.23 13700 7340 3030

8260 16390 2873 96600 671 692 99000 33.96 0.933 12.68 17400 6010 1750

Oct 5 Sep 13 Sep 24 Oct 5 Oct 5

Apr Oct Nov Apr Apr

16 30 15 16 16

2003 2002 2003 2001 2001 2003 2003

Estimated 100,000

DISCHARGE, IN CUBIC FEET PER SECOND

50,000

20,000

10,000

5000

2000

1000

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

107

PEE DEE RIVER BASIN 02131500 LYNCHES RIVER NEAR BISHOPVILLE, SC

LOCATION.--Lat 34°15'00'', long 80°12'50'', Lee County, Hydrologic Unit 03040202, near center of span on downstream side of bridge on U.S. Highway 15, 1.0 mi upsteam from Seaboard Coast Line Railroad bridge, 2.9 mi northeast of Bishopville, 3.0 mi downstream from Bells Branch, and at mile 89.5. DRAINAGE AREA.--675 mi2. PERIOD OF RECORD.--May 1942 to September 1971, February 2002 to September 2003. REVISIONS.--The maximum discharge for the water year 2002 has been revised to 1,220 ft 3/s, Feb. 10, 2002, gage height, 9.69 ft. GAGE.--Data collection platform. Datum of gage is 155.59 ft above NGVD of 1929. Prior to June 11, 1948, nonrecording gage at site 100 ft upstream at same datum. June 11, 1948 to December 15, 1954, nonrecording gage at present site and datum. October 1977 to February 2002, nonrecording gage at present site and datum. REMARKS.--Records poor. Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

e6510 4570 2800 1490 1150

387 377 369 373 376

474 447 437 423 405

403 391 386 382 376

669 606 533 612 1040

1110 1450 1680 1310 767

2040 1540 1080 893 741

398 431 418 376 347

467 566 885 1420 1280

647 613 952 996 666

890 1030 714 413 321

235 245 234 214 200

6 7 8 9 10

866 630 556 500 466

e387 406 e385 e363 e349

393 395 406 415 430

374 371 368 364 359

904 640 551 522 528

657 607 604 711 955

655 614 624 715 1060

331 325 318 298 283

628 438 403 635 508

468 365 317 270 244

266 238 224 225 371

187 179 175 173 177

11 12 13 14 15

446 430 420 416 410

339 337 362 e436 e441

470 572 502 e431 400

353 349 353 541 988

524 504 469 458 464

801 664 613 577 558

1390 1120 933 1290 1640

360 410 440 350 305

443 419 376 324 297

225 212 197 186 199

569 572 437 396 346

166 162 158 157 156

16 17 18 19 20

399 394 380 357 353

e395 e374 363 361 359

e378 368 e365 364 367

1400 1630 1270 630 522

517 552 507 482 448

615 830 1270 1550 1570

2060 2570 1990 860 672

295 284 270 251 243

269 236 212 195 182

236 224 217 242 422

314 311 281 681 995

159 158 155 150 148

21 22 23 24 25

353 347 346 350 349

359 360 439 650 738

e362 e363 e442 e479 e499

490 477 461 441 421

451 594 791 841 851

944 738 722 796 874

e616 e541 523 507 485

272 405 404 325 273

169 162 153 143 137

467 380 332 388 367

693 438 417 399 331

149 147 146 143 147

26 27 28 29 30 31

353 359 354 358 368 385

e617 514 488 507 515 ---

e517 476 491 459 431 416

409 e408 e400 391 420 540

1060 879 824 -------

756 688 715 977 1390 1730

448 430 424 414 397 ---

242 220 207 193 192 243

135 131 160 287 900 ---

272 221 188 167 251 545

352 306 277 256 245 242

184 203 189 180 172 ---

27465 886 6510 346 1.31 1.51

12726 424 738 337 0.63 0.70

13377 432 572 362 0.64 0.74

16668 538 1630 349 0.80 0.92

17821 636 1060 448 0.94 0.98

29229 943 1730 558 1.40 1.61

29272 976 2570 397 1.45 1.61

9709 313 440 192 0.46 0.54

12560 419 1420 131 0.62 0.69

11476 370 996 167 0.55 0.63

13550 437 1030 224 0.65 0.75

5248 175 245 143 0.26 0.29

450 1229 1969 105 2002

484 997 1943 91.2 2002

545 2004 1971 88.3 2002

585 3498 1945 146 1954

TOTAL MEAN MAX MIN CFSM IN.

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1943 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

521 2242 1965 149 1952

587 1751 1949 216 1952

701 2005 1949 291 1956

992 2169 1968 334 1956

1223 2738 1960 455 1957

1348 2385 2003 390 2002

1058 2199 1960 354 2002

623 1518 1949 196 2002

108

PEE DEE RIVER BASIN 02131500 LYNCHES RIVER NEAR BISHOPVILLE, SC--Continued SUMMARY STATISTICS

FOR 2004 CALENDAR YEAR

ANNUAL TOTAL ANNUAL MEAN HIGHEST ANNUAL MEAN LOWEST ANNUAL MEAN HIGHEST DAILY MEAN LOWEST DAILY MEAN ANNUAL SEVEN-DAY MINIMUM MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE ANNUAL RUNOFF (CFSM) ANNUAL RUNOFF (INCHES) 10 PERCENT EXCEEDS 50 PERCENT EXCEEDS 90 PERCENT EXCEEDS

FOR 2005 WATER YEAR

186366 509

WATER YEARS 1943 - 2005

199101 545

e 6510 97 117

Oct 1 Jul 27 Jul 22

e 6510 131 146 7340 15.28 0.808 10.97 981 410 191

0.754 10.27 834 368 152

767 1215 403 27300 33 40 a 29400 b 22.35 1.14 15.44 1490 510 226

Oct 1 Jun 27 Jun 22 Oct 1 Oct 1

a b

From rating curve extended above 12,000 ft3/s by velocity-area studies. From floodmarks.

e

Estimated

Sep Aug Aug Sep Sep

19 13 8 19 19

1965 1951 1945 2002 2002 1945 1945

10,000

DISCHARGE, IN CUBIC FEET PER SECOND

5000

2000

1000

500

200

100

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

109

PEE DEE RIVER BASIN 02131500 LYNCHES RIVER NEAR BISHOPVILLE, SC--Continued PRECIPITATION RECORDS PERIOD OF RECORD.--September 2004 to current year. INSTRUMENTATION.--Tipping bucket raingage and data collection platform. REMARKS.--Precipitation data collected during freezing periods may not be accurately reflected in daily record; consequently, winter record is poor. Precipitation, total, inches WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY SUM VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

0.00 0.00 --0.00 0.00

0.00 0.00 0.00 0.08 ---

-----------

-----------

0.00 0.00 0.70 0.00 0.00

-----------

0.17 0.42 0.00 0.00 0.00

0.02 0.00 0.00 0.00 0.16

0.80 0.87 1.44 0.00 0.00

-----------

-----------

-----------

6 7 8 9 10

0.00 0.01 0.00 0.00 0.00

-----------

-----------

--0.00 0.00 0.00 0.00

0.00 0.00 0.00 --0.05

-----------

0.00 0.04 0.02 0.00 0.00

0.00 0.00 0.00 0.00 ---

0.01 0.68 0.00 0.01 0.10

-----------

-----------

-----------

11 12 13 14 15

0.00 0.00 0.01 0.01 0.25

0.00 0.04 0.02 -----

-----------

0.00 0.00 0.00 --0.00

0.00 0.00 0.00 0.17 0.00

-----------

0.00 ---------

-----------

0.00 0.00 0.00 0.00 0.00

-----------

-----------

-----------

16 17 18 19 20

----0.00 0.00 0.00

------0.00 0.00

-----------

0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00 0.00 0.10

-----------

0.00 0.00 0.00 0.00 0.00

-----------

0.00 0.00 0.00 0.01 0.00

-----------

-----------

-----------

21 22 23 24 25

0.00 0.00 0.00 0.19 0.00

--0.04 -------

-----------

0.00 0.00 0.00 0.00 0.00

-----------

--------0.00

-----------

-----------

0.01 0.00 0.02 0.00 0.02

-----------

-----------

-----------

26 27 28 29 30 31

0.00 0.00 0.00 0.00 0.00 0.00

-------------

-------------

0.00 ----0.32 0.30 0.00

-------------

0.00 0.55 0.35 0.00 0.00 0.51

0.00 0.01 0.00 0.00 0.27 ---

0.00 0.00 0.00 0.00 0.61 0.00

0.78 0.00 --0.19 0.01 ---

-------------

-------------

-------------

TOTAL

---

---

---

---

---

---

---

---

---

---

---

---

110

PEE DEE RIVER BASIN 02132000 LYNCHES RIVER AT EFFINGHAM, SC

LOCATION.--Lat 34°03'05'', long 79°45'15'', Florence County, Hydrologic Unit 03040202, on left bank at downstream side of bridge on U.S. Highway 52, 75 ft upstream from Seaboard Coast Line Railroad Bridge, 1.0 mi south of Effingham, and at mile 43.4. DRAINAGE AREA.--1,030 mi2, approximately. PERIOD OF RECORD.--October 1929 to current. Gage-height records collected at same site since 1891 are contained in reports of National Weather Service. GAGE.--Data collection platform. Datum of gage is 58.49 ft above NGVD of 1929. Prior to Sept. 7, 1934, nonrecording gage at same site and datum. REMARKS.--No estimated daily discharges. Records good. Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

1590 1510 1540 2870 4590

468 470 478 479 484

929 858 818 774 717

811 753 704 664 633

683 707 803 1040 1120

1780 1810 1750 1640 1580

1360 1440 1550 1660 1830

551 540 524 515 528

311 416 654 817 1040

740 728 815 950 1050

607 812 910 909 939

260 247 233 227 223

6 7 8 9 10

4350 3490 2620 2000 1570

476 463 455 457 459

672 642 617 605 631

610 589 568 554 541

1090 1050 1090 1170 1200

1600 1650 1710 1550 1220

1970 1850 1510 1170 1010

530 501 464 434 417

1190 1290 1350 1340 1080

1210 1280 1270 1110 827

1050 1020 670 528 505

210 196 184 174 166

11 12 13 14 15

1200 951 840 834 760

445 438 474 461 471

662 660 671 687 717

525 516 518 699 880

1040 932 888 851 816

1100 1110 1160 1200 1110

963 954 1020 1160 1340

401 389 407 443 491

787 778 750 653 571

670 557 504 486 503

666 884 825 788 749

160 157 155 150 147

16 17 18 19 20

709 667 634 603 583

494 528 528 489 451

706 643 589 550 518

945 1030 1090 1170 1270

774 743 725 735 745

1060 1340 1440 1490 1520

1410 1370 1400 1510 1630

508 491 480 450 402

488 422 376 330 291

479 429 400 394 381

624 520 518 520 444

143 141 139 138 137

21 22 23 24 25

558 528 504 490 483

426 416 512 807 869

496 484 488 494 485

1370 1450 1320 965 798

728 756 766 923 1210

1540 1590 1690 1800 1750

1840 2010 1760 1220 863

393 389 388 419 474

264 242 227 214 204

387 411 484 526 510

457 578 730 852 639

134 132 132 130 128

26 27 28 29 30 31

471 466 466 477 483 475

902 925 1050 1100 1020 ---

569 789 843 862 859 848

733 684 639 606 626 662

1350 1440 1640 -------

1470 1340 1490 1570 1510 1410

732 676 632 587 558 ---

456 389 335 302 288 295

197 191 203 312 557 ---

659 698 574 441 415 540

488 416 379 342 305 280

127 126 128 145 153 ---

39312 1268 4590 466 1.23 1.42

17495 583 1100 416 0.57 0.63

20883 674 929 484 0.65 0.75

24923 804 1450 516 0.78 0.90

27015 965 1640 683 0.94 0.98

45980 1483 1810 1060 1.44 1.66

38985 1300 2010 558 1.26 1.41

13594 439 551 288 0.43 0.49

17545 585 1350 191 0.57 0.63

20428 659 1280 381 0.64 0.74

19954 644 1050 280 0.62 0.72

4922 164 260 126 0.16 0.18

582 1934 1973 107 2002

633 2331 1975 87.8 2002

679 2181 1971 103 2002

690 6326 1945 116 1954

TOTAL MEAN MAX MIN CFSM IN.

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1930 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

685 3932 1965 145 2002

681 2347 1948 162 2002

1018 3808 1995 213 2002

1488 4464 1993 350 1934

1736 5246 1998 495 1934

1925 4874 1983 464 2002

1495 4930 1936 404 2004

778 2180 1991 206 2002

111

PEE DEE RIVER BASIN 02132000 LYNCHES RIVER AT EFFINGHAM, SC--Continued SUMMARY STATISTICS

FOR 2004 CALENDAR YEAR

ANNUAL TOTAL ANNUAL MEAN HIGHEST ANNUAL MEAN LOWEST ANNUAL MEAN HIGHEST DAILY MEAN LOWEST DAILY MEAN ANNUAL SEVEN-DAY MINIMUM MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE INSTANTANEOUS LOW FLOW ANNUAL RUNOFF (CFSM) ANNUAL RUNOFF (INCHES) 10 PERCENT EXCEEDS 50 PERCENT EXCEEDS 90 PERCENT EXCEEDS a b

FOR 2005 WATER YEAR

301231 823

WATER YEARS 1930 - 2005

291036 797

7190 120 122

Sep 10 a Jun 4 Jun 2

4590 126 129 4720 13.66 126 b 0.774 10.51 1510 659 255

0.799 10.88 1710 483 173

1029 1856 269 24500 69 70 25000 21.21 68 0.999 13.57 2230 676 250

Oct 5 Sep 27 Sep 22 Oct 5 Oct 5 Sep 26

Sep Aug Aug Sep Sep Aug

22 13 10 22 22 14

1998 2002 1945 2002 2002 1945 1945 2002

Also occurred Jun. 5. Also occurred Sep. 27, 28. 10,000

DISCHARGE, IN CUBIC FEET PER SECOND

5000

2000

1000

500

200

100

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

112

PEE DEE RIVER BASIN 02135000 LITTLE PEE DEE RIVER AT GALIVANTS FERRY, SC

LOCATION.--Lat 34°03'25'', long 79°14'50'', Horry-Marion County Line, Hydrologic Unit 03040204, near left bank, on downstream side of bridge on U.S. Highway 501, at Galivants Ferry, 1.0 mi downstream from Lake Swamp, and at mile 41.7. DRAINAGE AREA.--2,790 mi2, approximately. WATER-DISCHARGE RECORDS PERIOD OF RECORD.--January 1942 to current year. Monthly discharge only for some periods, published in WSP 1303. GAGE.--Data collection platform. Datum of gage is 23.95 ft above NGVD of 1929. Prior to July 26, 1967, nonrecording gage and crest-stage gage at same site and datum. REMARKS.--No estimated daily discharges. Records good. EXTREMES OUTSIDE PERIOD OF RECORD.--Maximum stage known, 16.0 ft, in September 1928, from floodmark set by local resident. Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

3780 3540 3400 3330 3250

1210 1180 1160 1130 1130

2870 2940 2930 2850 2750

2230 2300 2370 2420 2450

2630 2580 2560 2560 2540

2750 2940 3140 3260 3340

3750 3760 3720 3630 3590

2130 2010 1890 1770 1670

906 956 1080 1340 1700

1260 1280 1330 1490 1670

1160 1290 1440 1510 1530

1380 1160 963 825 722

6 7 8 9 10

3230 3170 3040 2860 2690

1110 1090 1070 1050 1030

2660 2570 2480 2440 2450

2440 2400 2360 2320 2260

2550 2580 2590 2610 2640

3380 3410 3410 3340 3250

3510 3430 3370 3310 3230

1630 1530 1430 1360 1280

1930 2000 2040 2090 2110

1810 1870 1860 1800 1750

1660 1880 2070 2290 2380

647 591 545 506 469

11 12 13 14 15

2550 2430 2310 2200 2140

1010 1080 1240 1310 1430

2440 2430 2430 2380 2330

2210 2150 2100 2090 2080

2640 2660 2650 2620 2580

3160 3050 2950 2850 2750

3140 3020 2910 2840 2800

1210 1140 1080 1030 991

2070 2010 1950 1890 1740

1660 1560 1520 1520 1490

2370 2340 2360 2500 2630

436 408 384 379 378

16 17 18 19 20

2070 2000 1920 1850 1780

1500 1520 1530 1540 1550

2260 2200 2140 2100 2050

2100 2180 2270 2360 2460

2520 2460 2390 2330 2250

2770 2850 2860 2950 3030

2760 2750 2760 2800 2900

952 911 875 832 835

1630 1520 1420 1330 1400

1440 1410 1400 1450 1460

2670 2670 2660 2560 2320

369 368 379 379 370

21 22 23 24 25

1690 1620 1560 1490 1440

1550 1540 1620 1750 1900

2000 1950 1920 1890 1870

2560 2660 2740 2780 2780

2190 2150 2090 2100 2140

3050 3090 3230 3340 3410

3040 3160 3190 3150 3040

903 879 892 909 937

1320 1250 1160 1050 981

1520 1580 1610 1580 1530

2060 1860 1850 1900 2090

356 344 335 332 332

26 27 28 29 30 31

1380 1330 1310 1310 1280 1250

2070 2280 2490 2610 2740 ---

1920 1970 2010 2080 2140 2180

2770 2730 2710 2700 2720 2680

2250 2400 2610 -------

3460 3520 3610 3660 3730 3760

2890 2730 2570 2410 2260 ---

942 930 907 894 894 895

924 802 778 888 1160 ---

1450 1350 1240 1140 1080 1070

2390 2440 2200 1940 1750 1580

349 382 403 418 438 ---

TOTAL MEAN MAX MIN CFSM IN.

69200 2232 3780 1250 0.80 0.92

45420 1514 2740 1010 0.54 0.61

71630 2311 2940 1870 0.83 0.96

75380 2432 2780 2080 0.87 1.01

68870 2460 2660 2090 0.88 0.92

99300 3203 3760 2750 1.15 1.32

92420 3081 3760 2260 1.10 1.23

36538 1179 2130 832 0.42 0.49

43425 1448 2110 778 0.52 0.58

46180 1490 1870 1070 0.53 0.62

64350 2076 2670 1160 0.74 0.86

15347 512 1380 332 0.18 0.20

1740 7167 1966 180 2002

1864 6650 1961 104 2002

2297 11460 1974 104 2002

2473 12410 1945 212 1954

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1942 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

2079 14020 1965 344 1952

1825 9623 1948 300 2002

2777 10680 1949 484 2002

4185 11760 1993 954 2002

5222 15610 1973 1361 1989

5671 14710 1983 1396 2002

4351 12450 1973 962 1981

2218 7308 1978 392 2002

113

PEE DEE RIVER BASIN 02135000 LITTLE PEE DEE RIVER AT GALIVANTS FERRY, SC--Continued SUMMARY STATISTICS

FOR 2004 CALENDAR YEAR

ANNUAL TOTAL ANNUAL MEAN HIGHEST ANNUAL MEAN LOWEST ANNUAL MEAN HIGHEST DAILY MEAN LOWEST DAILY MEAN ANNUAL SEVEN-DAY MINIMUM MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE INSTANTANEOUS LOW FLOW ANNUAL RUNOFF (CFSM) ANNUAL RUNOFF (INCHES) 10 PERCENT EXCEEDS 50 PERCENT EXCEEDS 90 PERCENT EXCEEDS a

FOR 2005 WATER YEAR

900550 2461

WATER YEARS 1942 - 2005

728060 1995

11500 403 436

Sep 15 Jul 28 Jul 26

3780 332 a 345 3930 8.21 329 0.715 9.71 3150 2070 894

0.882 12.01 5190 2000 741

3057 5947 647 27500 73 77 27600 13.01 72 1.10 14.89 6790 2090 589

Oct 1 Sep 24 Sep 20 Oct 1 Oct 1 Sep 25

1965 2002 Oct 9 1964 Aug 17 2002 Aug 14 2002 Oct 9 1964 Oct 9 1964 Aug 17 2002

Also occurred Sep. 25. 10,000

DISCHARGE, IN CUBIC FEET PER SECOND

5000

2000

1000

500

200

100

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

114

PEE DEE RIVER BASIN 02135000 LITTLE PEE DEE RIVER AT GALIVANTS FERRY, SC--Continued PRECIPITATION RECORDS

PERIOD OF RECORD.--May 2001 to current year. INSTRUMENTATION.--Tipping bucket raingage and data collection platform. REMARKS.--Precipitation data collected during freezing periods may not be accurately reflected in daily record; consequently, winter record is poor. Precipitation, total, inches WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY SUM VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

0.09 0.00 0.78 0.00 0.00

0.00 0.00 0.00 0.24 0.00

0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.19 0.00 0.00

0.00 0.00 0.00 0.00 0.00

0.07 0.55 0.00 0.00 0.00

0.05 0.00 0.00 0.00 0.48

0.34 0.51 0.17 0.31 0.00

0.17 0.03 0.20 0.00 0.00

0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00 0.00 0.00

6 7 8 9 10

0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00 0.00 0.00

0.03 0.00 0.00 0.44 0.58

0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00 0.18 0.01

0.00 0.00 0.18 0.00 0.00

0.00 0.17 0.00 0.00 0.00

0.01 0.00 0.00 0.00 0.00

0.00 0.00 0.00 0.46 0.00

0.41 0.00 0.13 0.00 0.92

1.58 0.17 0.14 0.15 0.00

0.00 0.00 0.00 0.00 0.00

11 12 13 14 15

0.00 0.00 0.06 0.00 0.22

0.18 1.87 0.01 0.00 0.00

0.00 0.00 0.00 0.00 0.00

0.00 0.01 0.05 0.37 0.00

0.00 0.00 0.00 0.02 0.00

0.00 0.00 0.00 0.01 0.00

0.00 0.05 0.03 0.18 0.00

0.00 0.00 0.00 0.00 0.10

0.00 0.11 1.06 0.00 0.00

0.00 0.00 0.32 0.01 0.00

0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.05 0.69 0.00

16 17 18 19 20

0.00 0.00 0.03 0.08 0.00

0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00 0.00 0.00

0.02 0.00 0.00 0.00 0.00

0.00 0.00 0.00 0.00 0.01

0.74 0.04 0.00 0.00 0.00

0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00 0.00 1.29

0.00 0.00 0.00 1.55 0.00

0.00 0.00 0.32 0.01 0.00

0.00 0.00 0.54 0.00 0.00

0.00 0.00 0.40 0.00 0.00

21 22 23 24 25

0.00 0.00 0.00 0.04 0.00

0.00 0.00 1.04 0.01 0.07

0.00 0.00 0.07 0.02 0.02

0.00 0.12 0.00 0.00 0.00

0.17 0.00 0.00 0.20 0.00

0.00 0.30 0.24 0.00 0.00

0.00 0.00 0.00 0.00 0.00

0.04 0.00 0.00 0.03 0.00

0.00 0.00 0.00 0.00 0.14

0.32 0.31 0.00 0.00 0.00

0.00 0.00 2.03 0.00 0.00

0.00 0.00 0.00 0.00 0.00

26 27 28 29 30 31

0.00 0.00 0.35 0.14 0.00 0.00

0.00 0.26 0.00 0.00 0.00 ---

0.00 0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00 0.22 0.05 0.00

0.00 0.30 0.06 -------

0.00 0.65 0.40 0.00 0.00 0.01

0.02 0.00 0.00 0.00 0.20 ---

0.00 0.00 0.14 0.00 0.59 0.01

0.02 0.00 1.30 0.05 0.00 ---

0.00 0.00 0.00 0.00 1.05 0.46

0.00 0.23 0.00 0.00 0.02 0.00

0.00 0.18 0.00 0.01 0.00 ---

TOTAL

1.79

3.68

1.16

0.84

1.14

2.57

1.27

2.74

6.02

4.66

4.86

1.33

115

PEE DEE RIVER BASIN 02135200 PEE DEE RIVER AT HIGHWAY 701 NEAR BUCKSPORT, SC LOCATION.--Lat 33°39'39'', long 79°09'17'', Horry County, Hydrologic Unit 03040201, on north bank of the Pee Dee River at Highway 701, 12.5 mi southwest of Myrtle Beach, 13.0 mi south of Conway, and 3.0 mi south of the mouth of Little Pee Dee River. DRAINAGE AREA.--Indeterminate. WATER-DISCHARGE RECORDS PERIOD OF RECORD.--October 2001 to current year. GAGE.--Data collection platform and Acoustic Velocity Meter. Datum of gage is 7.92 ft below NGVD of 1929.

REMARKS.--This site is strongly affected by astronomical tides. The astromomical tides occur at primary harmonic periods of 12.42 hours for semi-diurnal tides and 24.84 hours for diurnal tides. Previously published 24-hour daily mean discharge for this site may have been affected by aliasing due to tides and, thus, may contain spurious fluctuations or oscillations that were not indicative of net downstream discharge. EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 86,800 ft3/s, Apr. 21, 2003, maximum gage height, 19.54 ft, Apr. 21, 2003; minimum discharge, -8,750 ft3/s, July 10, 2002, minimum gage height, 5.67 ft, Dec. 22, 2001. EXTREMES FOR CURRENT YEAR.--Maximum discharge, 32,200 ft3/s, Oct. 11, maximum gage height, 15.09 ft, Oct. 11; minimum discharge, -6,890 ft3/s, Sep. 22, minimum gage height, 7.71 ft, Sep. 15. Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

1 2 3 4 5

30700 23100 22400 22700 23200

21600 21200 20700 21200 21500

--11100 10700 11800 11700

--466 -949 2280 3000

15700 15300 15900 15800 15800

11800 11700 12000 12700 12800

15500 15200 15200 14900 14900

12100 12100 11900 11500 11000

16500 16200 15900 16200 16300

14600 13600 12600 12800 13000

--------17100

--------14600

6 7 8 9 10

24800 27400 30400 33900 35000

22400 24000 26100 29700 32600

11900 12100 12500 12400 12200

3680 4900 5140 4750 3140

15900 16100 16100 15500 14100

12800 12700 12600 10200 6770

14900 14800 15300 15500 15300

10200 10000 10300 10900 10200

16200 16700 16500 16500 16200

13700 14400 14500 14200 13500

17500 18200 19400 20000 ---

15000 16300 17400 18000 ---

11 12 13 14 15

35200 --31800 29500 26900

32300 --28300 25400 23600

12000 12500 13000 13400 13100

833 -432 3770 4700 3780

12800 13700 15200 15500 16300

3620 5030 8960 11100 12500

14300 12300 11500 13100 14000

6450 1740 -874 3020 7410

16200 16200 16200 16000 14700

12800 12600 13000 12400 10800

------19300 ---

------17500 ---

16 17 18 19 20

24800 22200 20200 18100 16600

21400 19400 17700 15100 13500

11900 11700 12200 12500 12800

1040 201 1190 4190 5190

17100 17200 17300 17400 17400

13600 14200 14900 15300 14800

14900 15700 16100 16600 17000

9340 10900 12700 13300 14800

13000 13500 14000 14500 14500

7810 8040 9190 10000 10600

19000 ---------

17100 ---------

21 22 23 24 25

15700 14800 14000 14100 13400

11300 9610 9770 8850 8150

13000 12700 13100 13500 13600

5470 5360 6050 6560 7460

17100 16800 16300 15600 15000

14700 13800 12400 11600 9980

17400 18900 19200 20000 20600

15500 16800 17700 17700 19100

14400 13700 14000 14900 15000

9970 8670 8610 9810 10800

--18700 19700 20100 21200

--16800 18000 19000 19500

26 27 28 29 30 31

13300 12700 12700 12900 13300 12700

6460 4010 4320 4810 5200 4570

13500 13700 14600 14600 15000 ---

6650 7290 9440 9790 10700 ---

15300 15300 15300 15600 15600 15700

10700 10800 10600 11000 11700 12000

21100 21000 20800 20000 19000 17700

19800 19700 19000 18200 17200 15800

-------------

-------------

21800 22700 23000 22600 22200 21800

20100 21000 21600 21100 20800 20100

---

---

---

---

17400

3620

21100

-874

---

---

---

---

OCTOBER

MONTH

MAX

MIN

NOVEMBER

MAX

MIN

DECEMBER

MAX

MIN

JANUARY

MAX

MIN

FEBRUARY

MAX

MIN

MARCH

116

PEE DEE RIVER BASIN 02135200 PEE DEE RIVER AT HIGHWAY 701 NEAR BUCKSPORT, SC--Continued Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

1 2 3 4 5

21500 21600 21100 21800 23500

20400 20000 19800 20000 21000

6 7 8 9 10

24500 26100 27200 27300 27400

11 12 13 14 15

MAX

MIN

MAX

MIN

MAX

MIN

MAX

14900 15000 14700 14700 14400

10500 9560 9490 9390 9210

10500 10600 11300 13100 15100

-4060 -3740 -1950 5760 9190

12900 14200 15100 15800 16000

5020 8000 10100 11800 12200

12600 13300 14400 14900 15400

4580 6120 8130 9200 10300

12400 13000 13000 12500 12300

2440 4510 3520 1570 478

22500 24000 25300 26000 25900

14400 14200 14100 14000 13600

7990 7390 6920 6920 5660

15700 16400 16700 16800 16600

11000 12600 13300 13900 13400

15700 15000 14600 14500 15100

10900 8630 8920 9450 10100

15600 16000 15700 15300 13600

11200 11800 12500 10500 6570

11200 10600 9790 9940 10000

-1260 -4130 -4860 -4380 -4880

27400 26500 25600 24800 23700

25800 25000 23600 22700 21700

12600 12800 13000 13600 13500

3070 3320 4820 6210 7340

16000 15900 15900 15700 15000

12900 12600 12800 12300 9140

15700 16100 16100 16300 ---

11000 12000 13000 13200 ---

13400 14200 14500 15100 14900

5950 7880 8900 9970 9710

10200 10200 10100 10100 9230

-5290 -4330 -4540 -6200 -5500

16 17 18 19 20

22700 22100 21500 20600 20400

20800 20100 19600 19200 18900

12300 10500 10600 11200 11500

2580 -2780 -4180 -1800 -2550

13900 13700 14100 14300 13800

7180 7430 7510 6850 4820

--16400 15700 14600 13600

--12200 9860 7370 3410

14800 14200 14400 14700 15300

7630 6580 7470 7880 9260

10300 11100 11200 11200 10900

-5520 -5470 -4750 -4660 -5580

21 22 23 24 25

20700 21500 22100 22100 22300

18900 20000 20700 20700 20400

11700 12700 12800 12700 12700

-1230 2520 20 -705 1340

13200 12000 11300 11600 12100

-983 -3080 -3500 -1350 -433

13100 13200 13500 13200 13400

2680 4230 4480 4440 5660

15900 15700 15200 14600 14100

10300 11300 10300 8120 6900

10500 9480 9810 10700 9910

-6310 -6890 -6120 -4590 -4980

26 27 28 29 30 31

21300 20100 17000 16000 15100 ---

19300 16400 14500 13000 11300 ---

13100 12900 12700 11700 11100 10800

1940 3430 2450 -1560 -3370 -3660

12000 11200 10900 11100 12100 ---

1110 -1800 -2840 -4550 -1360 ---

12800 11900 12300 12400 12900 12700

4360 1750 2100 2950 3990 3320

13900 14200 14100 14000 13500 12700

7420 8750 7540 6210 5180 2670

10100 10400 9240 9590 9410 ---

-4710 -5900 -6250 -6080 -6870 ---

MONTH

27400

11300

15000

-4180

16800

-4550

---

---

16000

2670

13000

-6890

APRIL

MAY

JUNE

JULY

MIN

AUGUST

MAX

MIN

SEPTEMBER

117

PEE DEE RIVER BASIN 02135200 PEE DEE RIVER AT HIGHWAY 701 NEAR BUCKSPORT, SC WATER-QUALITY RECORDS PERIOD OF RECORD.--Water years 1986 to current year. PERIOD OF DAILY RECORD.-SPECIFIC CONDUCTANCE: April 1986 to September 1994 (discontinued). pH: February 1986 to September 1989 (discontinued). WATER TEMPERATURE: February 1986 to current year. DISSOLVED OXYGEN: February 1986 to current year. INSTRUMENTATION.--Water-quality multiprobe and data collection platform. REMARKS.--Temperature records rated excellent. Dissolved oxygen records rated excellent except for Dec. 30 to Jan. 11, Apr. 6-20, which are good, and June 24 to Aug. 17, which are poor. EXTREMES FOR PERIOD OF DAILY RECORD.-SPECIFIC CONDUCTANCE: Maximum, 310 microsiemens, Oct. 10, 23, 1986; minimum, 40 microsiemens, Mar. 10, 15, 17, 22, 1987. pH: Maximum, 7.8 units, May 23, 1988; minimum, 5.0 units, Jul. 30, Aug. 9, 28, 1987. WATER TEMPERATURE: Maximum, 33.5°C, Aug. 2, 1999; minimum, 0.5°C, Dec. 24 - 28, 1989. DISSOLVED OXYGEN: Maximum, 13.5 mg/L, Jan. 6, 2002; minimum, 1.1 mg/L, Oct. 7, 8, 1989. EXTREMES FOR CURRENT YEAR.-WATER TEMPERATURE: Maximum, 31.7°C, July 28, 29; minimum, 4.7°C, Jan. 29. DISSOLVED OXYGEN: Maximum, 12.1 mg/L, Feb. 5, 6; minimum, 3.0 mg/L, Oct. 5, 6. Temperature, water, degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

23.9 23.8 23.8 23.6 23.4

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

23.6 23.5 23.5 23.3 23.0

23.7 23.7 23.7 23.5 23.1

20.6 21.6 21.4 21.7 21.5

19.6 20.2 20.8 21.2 21.1

20.0 20.6 21.1 21.5 21.3

13.5 13.4 13.0 12.6 12.3

13.2 12.9 12.5 12.2 11.9

13.3 13.1 12.7 12.4 12.0

7.4 8.2 9.1 9.9 10.8

6.7 7.4 8.2 9.1 9.8

7.0 7.7 8.6 9.5 10.3

23.0 22.3 21.5 21.3 21.2

22.3 21.5 21.0 21.0 20.9

22.6 21.9 21.3 21.2 21.1

21.1 20.0 19.1 18.4 17.3

19.8 18.8 18.2 17.3 16.2

20.5 19.2 18.6 17.9 16.8

12.1 12.8 13.6 14.3 15.5

11.6 11.9 12.8 13.5 14.3

11.8 12.3 13.2 13.8 14.8

11.7 12.4 13.2 13.3 14.0

10.7 11.5 12.0 12.7 12.9

11.2 12.0 12.6 13.0 13.3

11 12 13 14 15

21.2 21.0 21.2 21.0 20.8

20.9 20.7 20.8 20.7 20.2

21.0 20.8 21.0 20.9 20.5

16.2 15.8 15.8 15.4 14.8

15.3 15.1 15.4 14.8 13.7

15.8 15.5 15.6 15.0 14.2

15.5 14.7 13.9 12.7 11.7

14.7 13.8 12.7 11.7 10.6

15.1 14.3 13.4 12.4 11.0

14.0 13.8 14.6 15.3 15.1

13.4 13.3 13.6 14.3 13.1

13.8 13.6 14.1 14.9 14.1

16 17 18 19 20

20.2 19.8 19.9 20.3 20.5

19.6 19.4 19.5 19.8 20.2

19.8 19.6 19.7 20.0 20.4

14.1 13.5 13.1 13.2 14.0

12.6 12.2 12.2 12.6 12.9

13.1 12.7 12.6 13.0 13.5

10.6 9.7 9.5 9.1 8.6

9.7 9.3 9.1 8.6 7.3

10.1 9.4 9.2 8.7 7.8

13.1 11.3 9.8 8.5 7.4

11.3 9.8 8.5 7.4 6.7

12.0 10.6 8.9 7.9 6.9

21 22 23 24 25

20.5 20.5 20.3 19.8 19.3

20.2 20.2 19.8 19.2 18.8

20.3 20.3 20.0 19.5 19.1

15.1 15.8 16.4 16.9 17.2

13.9 14.9 15.5 16.2 16.8

14.5 15.4 16.0 16.5 17.0

7.3 7.1 8.3 8.4 8.0

6.7 6.5 7.1 8.0 7.4

6.8 6.8 7.6 8.3 7.7

6.8 6.8 6.7 5.8 5.4

6.4 6.3 5.8 5.2 5.0

6.6 6.5 6.3 5.4 5.2

26 27 28 29 30 31

18.9 18.6 18.5 18.4 19.0 20.0

18.4 18.1 18.1 18.1 18.1 18.8

18.7 18.3 18.3 18.2 18.5 19.4

16.9 15.8 15.3 14.6 13.8 ---

15.8 14.9 14.6 13.8 13.2 ---

16.4 15.4 15.0 14.3 13.5 ---

7.4 7.1 6.7 6.7 6.4 6.8

6.7 6.2 5.9 5.8 5.9 6.2

7.1 6.6 6.4 6.2 6.2 6.4

5.9 6.0 5.7 5.0 5.1 5.5

5.2 5.7 5.0 4.7 4.8 5.0

5.5 5.9 5.3 4.8 5.0 5.2

MONTH

23.9

18.1

20.6

21.7

12.2

16.4

15.5

5.8

10.2

15.3

4.7

9.2

OCTOBER

MIN NOVEMBER

MIN DECEMBER

MIN

MEAN

JANUARY

118

PEE DEE RIVER BASIN 02135200 PEE DEE RIVER AT HIGHWAY 701 NEAR BUCKSPORT, SC--Continued Temperature, water, degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

5.6 5.9 6.1 6.3 6.6

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

MIN

5.3 5.5 5.9 6.0 5.9

5.4 5.6 6.0 6.1 6.2

--------9.0

--------8.3

--------8.7

16.8 16.4 15.8 16.1 16.7

16.3 15.8 15.1 15.1 15.8

16.4 16.2 15.5 15.6 16.2

19.5 19.6 19.7 19.6 19.4

18.9 19.1 19.1 19.0 18.3

19.1 19.4 19.4 19.3 18.9

6.9 7.4 8.1 9.0 9.6

6.3 6.8 7.2 8.1 9.0

6.6 7.1 7.6 8.5 9.4

9.6 10.3 11.2 11.0 ---

8.8 9.4 10.3 10.4 ---

9.2 9.7 10.8 10.6 ---

17.4 17.8 18.4 18.3 18.0

16.4 17.2 17.5 18.0 17.3

16.9 17.5 17.9 18.1 17.7

18.3 18.3 19.0 19.9 20.4

17.4 17.1 18.0 18.6 19.3

17.9 17.7 18.5 19.3 20.0

11 12 13 14 15

9.6 9.0 8.9 9.5 10.8

8.9 8.5 8.6 8.8 9.5

9.2 8.8 8.8 9.0 10.0

------12.3 ---

------12.0 ---

------12.1 ---

18.3 18.2 17.8 17.3 16.2

17.4 17.8 17.3 16.2 15.6

17.9 17.9 17.7 16.6 15.9

21.5 22.6 23.0 22.8 23.1

19.9 21.0 22.2 22.3 22.1

20.8 21.9 22.7 22.6 22.6

16 17 18 19 20

11.9 12.4 11.9 10.6 10.0

10.6 11.7 10.6 9.8 9.8

11.2 12.1 11.3 10.1 9.9

12.2 ---------

11.4 ---------

11.8 ---------

15.8 15.4 15.6 16.2 17.1

15.0 14.8 14.7 15.3 16.0

15.4 15.1 15.1 15.7 16.5

23.4 23.1 23.6 23.9 24.0

22.8 22.8 22.5 22.8 23.4

23.1 23.0 23.0 23.3 23.6

21 22 23 24 25

10.5 11.8 12.4 12.4 11.6

9.8 10.4 11.2 11.4 11.0

10.1 11.0 11.9 11.8 11.1

--12.3 13.7 14.8 15.4

--11.4 12.2 13.5 14.5

--11.8 12.9 14.1 14.9

18.0 18.8 19.0 18.6 17.7

16.9 17.8 18.6 17.6 17.1

17.4 18.2 18.7 18.1 17.4

23.6 22.9 23.3 23.1 22.8

22.9 22.3 22.1 22.5 22.2

23.3 22.6 22.6 22.8 22.4

26 27 28 29 30 31

-------------

-------------

-------------

16.1 16.1 16.5 16.6 17.2 17.1

15.3 15.9 16.0 15.5 16.1 16.8

15.7 16.0 16.2 16.0 16.6 16.9

17.5 17.8 18.1 18.6 19.0 ---

17.1 17.0 17.2 17.8 18.4 ---

17.3 17.4 17.7 18.1 18.7 ---

22.6 23.2 23.6 24.2 23.9 23.3

21.8 22.0 22.6 23.1 23.2 23.0

22.3 22.6 23.1 23.6 23.6 23.2

MONTH

---

---

---

---

---

---

19.0

14.7

17.0

24.2

17.1

21.6

DAY

MAX

MIN

MEAN

Temperature, water, degrees Celsius MAX MIN MEAN MAX MIN

MEAN

MAX

MIN

MEAN

FEBRUARY

MIN MARCH

JUNE

MIN APRIL

JULY

MEAN

MAY

AUGUST

SEPTEMBER

1 2 3 4 5

23.0 22.5 22.6 22.8 23.1

22.3 22.0 22.1 22.3 22.3

22.5 22.2 22.3 22.6 22.7

28.7 28.5 28.4 27.9 27.4

27.7 28.2 27.8 27.1 26.8

28.2 28.3 28.1 27.4 27.2

30.0 29.1 28.8 28.6 28.6

28.8 28.2 28.2 28.1 28.0

29.3 28.6 28.4 28.3 28.3

29.2 29.4 29.4 28.9 28.2

28.5 28.6 28.4 28.1 27.5

28.9 28.9 28.8 28.4 27.8

6 7 8 9 10

23.4 23.9 24.5 25.2 25.7

22.1 23.0 23.3 24.1 24.8

22.8 23.5 23.9 24.6 25.3

28.0 28.6 29.1 28.9 28.5

27.0 27.6 28.1 28.5 28.1

27.5 28.1 28.6 28.8 28.3

28.2 28.0 27.7 27.1 27.2

27.8 27.5 27.1 26.7 26.6

28.0 27.7 27.4 26.9 26.8

27.8 27.1 27.4 27.0 26.7

26.8 26.3 26.0 26.2 26.1

27.4 26.7 26.5 26.6 26.4

11 12 13 14 15

26.1 26.0 26.3 26.7 27.6

25.2 25.5 25.8 25.9 26.4

25.7 25.8 26.0 26.3 27.0

28.3 28.4 28.1 28.1 ---

27.9 27.6 27.6 27.7 ---

28.2 28.0 27.9 27.8 ---

28.2 28.8 28.9 28.9 29.7

27.0 27.8 28.4 28.4 28.5

27.4 28.2 28.6 28.6 29.1

26.4 25.8 25.5 25.1 25.5

25.5 25.0 25.1 24.6 24.3

25.8 25.5 25.2 24.8 24.9

16 17 18 19 20

28.4 28.2 27.9 27.2 26.9

27.3 27.8 26.7 26.4 26.1

27.8 28.0 27.3 26.7 26.6

--28.7 29.1 29.2 29.7

--28.0 28.4 28.6 28.8

--28.3 28.8 28.9 29.2

29.8 30.0 29.7 29.3 30.1

29.0 29.4 28.8 28.6 29.0

29.5 29.6 29.3 28.9 29.5

26.1 26.9 27.8 28.7 28.6

25.1 25.8 26.8 27.3 27.9

25.5 26.3 27.2 27.9 28.2

21 22 23 24 25

26.4 26.3 27.1 27.6 27.3

25.6 25.5 25.8 26.5 26.8

25.9 25.9 26.5 27.0 27.1

30.1 30.5 30.7 30.6 30.6

29.4 29.7 29.9 30.0 29.7

29.7 30.0 30.2 30.3 30.2

30.2 30.3 30.0 29.1 28.7

29.6 29.9 29.1 28.5 28.2

29.9 30.0 29.6 28.7 28.4

28.7 28.8 28.9 28.9 28.6

27.9 27.9 27.9 28.1 28.2

28.2 28.2 28.3 28.4 28.4

26 27 28 29 30 31

27.5 27.9 27.7 27.4 28.2 ---

26.4 26.8 27.2 27.0 26.9 ---

26.9 27.3 27.5 27.2 27.5 ---

31.0 31.4 31.7 31.7 31.5 30.9

29.8 30.3 30.9 31.2 30.5 29.6

30.3 30.8 31.3 31.4 31.1 30.2

28.6 28.1 27.8 28.2 28.5 28.8

27.7 27.2 27.0 27.4 27.8 28.1

28.0 27.6 27.4 27.9 28.1 28.5

28.6 28.3 28.1 28.1 27.8 ---

28.0 27.7 27.5 27.2 27.1 ---

28.2 27.9 27.8 27.7 27.5 ---

MONTH

28.4

22.0

25.6

---

---

---

30.3

26.6

28.5

29.4

24.3

27.3

119

PEE DEE RIVER BASIN 02135200 PEE DEE RIVER AT HIGHWAY 701 NEAR BUCKSPORT, SC--Continued Dissolved oxygen, water, unfiltered, milligrams per liter WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

4.1 3.9 3.8 3.7 3.1

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

3.4 3.6 3.5 3.1 3.0

3.7 3.8 3.6 3.4 3.0

6.7 6.4 6.4 6.3 6.5

5.3 5.6 5.2 5.2 5.7

5.8 6.0 5.6 5.6 6.0

8.4 8.5 8.5 8.5 8.7

8.1 8.1 8.2 8.3 8.4

8.2 8.3 8.4 8.4 8.5

11.2 10.9 10.5 10.3 10.0

10.9 10.5 10.2 10.0 9.7

11.1 10.8 10.4 10.1 9.9

3.2 3.6 3.9 3.9 4.0

3.0 3.2 3.6 3.8 3.9

3.1 3.5 3.8 3.9 3.9

6.6 7.0 7.2 7.4 7.4

5.8 6.1 6.6 6.9 6.9

6.2 6.5 6.8 7.2 7.2

8.8 8.8 8.6 8.0 7.3

8.6 8.6 8.0 7.2 6.9

8.7 8.7 8.3 7.5 7.1

9.9 9.9 9.8 9.6 9.2

9.6 9.3 9.1 8.9 8.2

9.7 9.5 9.4 9.2 8.7

11 12 13 14 15

4.0 4.0 3.9 3.7 3.7

4.0 3.9 3.7 3.5 3.5

4.0 4.0 3.8 3.6 3.6

7.6 7.7 8.1 8.5 8.4

6.9 7.2 7.4 7.7 7.7

7.3 7.4 7.7 8.1 8.0

7.0 7.5 8.6 8.8 9.1

6.8 6.9 7.5 8.4 8.7

6.9 7.1 8.1 8.6 8.9

8.3 8.2 8.0 8.0 8.9

7.8 7.8 7.8 7.7 8.0

8.0 7.9 7.8 7.8 8.3

16 17 18 19 20

3.9 4.1 4.4 4.5 4.7

3.7 3.9 4.1 4.2 4.3

3.8 4.0 4.3 4.3 4.5

8.0 8.1 8.4 8.8 9.0

7.5 7.7 7.9 8.1 8.2

7.7 7.8 8.1 8.3 8.5

9.2 9.1 9.0 9.3 9.6

9.1 9.0 8.9 9.0 9.3

9.1 9.0 9.0 9.2 9.4

9.7 9.9 10.4 10.1 10.3

8.8 9.4 9.9 9.9 10.0

9.3 9.7 10.2 10.0 10.2

21 22 23 24 25

4.8 5.3 5.4 5.5 5.4

4.2 4.5 5.0 4.9 4.9

4.4 4.7 5.2 5.2 5.1

8.8 8.4 8.3 8.1 7.9

7.8 7.5 7.4 7.2 7.0

8.2 8.0 7.8 7.7 7.4

9.7 10.0 10.0 10.1 10.3

9.6 9.7 9.9 9.8 10.0

9.6 9.8 10.0 10.0 10.1

10.5 10.6 10.9 11.1 11.2

10.3 10.5 10.6 10.9 11.1

10.4 10.6 10.7 11.0 11.2

26 27 28 29 30 31

5.4 5.4 5.9 6.3 6.4 6.2

4.7 4.5 4.6 5.3 5.5 5.4

5.1 4.8 5.2 5.7 5.9 5.7

7.6 7.8 7.9 8.2 8.4 ---

7.0 7.2 7.5 7.6 7.9 ---

7.3 7.5 7.7 7.9 8.2 ---

10.6 10.7 11.0 11.2 11.3 11.4

10.2 10.6 10.7 11.0 11.2 11.2

10.5 10.6 10.8 11.1 11.2 11.3

11.3 11.4 11.6 11.5 11.7 11.9

11.2 11.2 11.4 11.5 11.4 11.6

11.2 11.3 11.5 11.5 11.5 11.8

MONTH

6.4

3.0

4.3

9.0

5.2

7.3

11.4

6.8

9.1

11.9

7.7

10.0

DAY

MAX

MIN

MAX

MIN

MEAN

OCTOBER

MIN NOVEMBER

MIN DECEMBER

MARCH

MEAN

JANUARY

Dissolved oxygen, water, unfiltered, milligrams per liter MEAN MAX MIN MEAN MAX MIN MEAN

FEBRUARY

MIN

APRIL

MAY

1 2 3 4 5

12.0 12.0 11.9 12.0 12.1

11.9 11.9 11.8 11.8 11.9

11.9 11.9 11.9 11.9 12.0

--------10.9

--------10.7

--------10.8

7.5 7.5 7.5 7.4 7.2

7.1 7.1 7.2 7.2 7.0

7.3 7.3 7.4 7.3 7.1

6.4 6.8 6.8 6.8 6.8

5.9 6.1 6.2 6.1 6.2

6.1 6.3 6.4 6.4 6.4

6 7 8 9 10

12.1 12.0 11.8 11.5 11.1

11.8 11.8 11.5 11.1 10.6

12.0 11.9 11.7 11.3 10.8

10.7 10.4 10.2 9.8 ---

10.4 10.2 9.8 9.6 ---

10.5 10.3 9.9 9.7 ---

7.0 6.8 6.2 6.0 6.1

6.6 6.2 6.0 5.7 5.7

6.8 6.5 6.1 5.8 5.9

7.0 7.1 7.3 7.3 7.1

6.4 6.5 6.6 6.3 6.1

6.7 6.8 6.9 6.8 6.5

11 12 13 14 15

10.8 10.8 10.8 10.8 10.5

10.6 10.6 10.6 10.5 10.2

10.7 10.7 10.7 10.6 10.3

------9.9 ---

------9.5 ---

------9.7 ---

6.2 6.2 6.0 6.1 6.5

5.8 6.0 5.9 5.9 6.0

6.0 6.1 5.9 6.0 6.3

7.0 6.6 6.6 6.8 6.8

5.7 5.7 5.8 6.0 6.0

6.2 6.0 6.1 6.4 6.3

16 17 18 19 20

10.2 9.8 10.3 10.7 10.8

9.7 9.4 9.7 10.3 10.5

10.0 9.6 9.9 10.4 10.6

9.6 ---------

9.3 ---------

9.4 ---------

7.0 7.4 7.4 7.3 7.2

6.5 6.9 7.3 7.1 6.9

6.8 7.2 7.4 7.2 7.0

6.4 6.0 5.6 5.4 6.3

5.6 5.2 5.2 5.0 5.3

5.9 5.5 5.4 5.3 5.7

21 22 23 24 25

10.6 10.2 10.2 10.3 10.1

10.1 9.8 9.7 9.7 9.6

10.4 10.0 9.9 10.1 9.8

--9.9 9.4 8.8 8.5

--9.4 8.8 8.4 8.1

--9.6 9.0 8.6 8.3

6.9 6.6 6.2 6.0 6.0

6.6 6.2 5.9 5.8 5.9

6.7 6.4 6.1 5.9 6.0

6.1 6.5 6.5 6.6 6.5

5.6 5.7 6.0 5.9 6.0

5.9 6.2 6.2 6.3 6.3

26 27 28 29 30 31

-------------

-------------

-------------

8.1 7.9 7.6 7.6 7.5 7.3

7.8 7.5 7.3 7.3 7.2 7.2

8.0 7.7 7.4 7.4 7.3 7.2

5.9 5.6 5.6 6.0 6.2 ---

5.6 5.3 5.3 5.5 5.8 ---

5.8 5.5 5.4 5.8 6.0 ---

6.7 6.6 6.7 6.6 6.4 6.1

6.0 6.1 6.1 6.0 5.8 5.7

6.4 6.4 6.4 6.2 6.2 5.9

MONTH

---

---

---

---

---

---

7.5

5.3

6.4

7.3

5.0

6.2

120

PEE DEE RIVER BASIN 02135200 PEE DEE RIVER AT HIGHWAY 701 NEAR BUCKSPORT, SC--Continued Dissolved oxygen, water, unfiltered, milligrams per liter WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

5.9 6.2 6.0 6.3 6.2

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

5.6 5.7 5.4 5.6 5.7

5.7 5.9 5.6 5.8 6.0

5.5 5.3 5.3 5.5 4.9

4.7 4.9 5.0 4.8 4.2

5.2 5.2 5.2 5.1 4.6

5.6 5.8 5.7 5.6 5.4

5.2 5.2 5.2 5.1 5.0

5.4 5.5 5.5 5.3 5.2

4.8 5.4 5.7 5.9 5.8

4.3 4.5 4.8 5.0 5.1

4.5 4.9 5.2 5.3 5.5

6.3 6.0 5.6 5.0 4.4

5.6 5.3 4.6 4.3 4.1

5.9 5.7 5.2 4.7 4.3

4.5 4.4 4.5 4.9 5.0

4.0 3.9 3.9 4.2 4.5

4.2 4.1 4.3 4.6 4.7

5.3 5.2 5.1 4.8 4.5

4.8 4.8 4.7 4.1 4.0

5.1 5.0 4.9 4.5 4.2

6.0 5.7 5.6 5.5 5.3

5.2 5.2 5.1 5.0 5.0

5.6 5.4 5.3 5.2 5.1

11 12 13 14 15

4.8 5.0 5.1 5.1 4.6

4.2 4.5 4.7 4.5 3.9

4.5 4.8 4.9 4.8 4.2

4.8 5.0 5.2 5.0 ---

4.4 4.6 4.7 4.7 ---

4.6 4.8 4.9 4.8 ---

4.9 5.4 5.4 5.4 5.2

4.2 4.7 4.8 4.8 4.6

4.5 5.0 5.1 5.0 4.9

5.6 6.4 6.5 6.6 6.3

5.0 5.5 6.1 6.3 5.8

5.3 5.9 6.3 6.5 6.0

16 17 18 19 20

4.7 5.0 5.2 5.4 5.6

4.0 4.4 4.7 4.9 4.8

4.2 4.6 4.9 5.1 5.2

--4.5 4.2 -----

--3.9 3.7 -----

--4.1 4.0 -----

5.1 ---------

4.4 ---------

4.7 ---------

6.0 6.0 6.2 6.4 6.3

5.7 5.4 5.6 5.7 5.6

5.8 5.7 5.9 6.0 5.9

21 22 23 24 25

5.5 5.3 5.2 5.8 6.0

4.7 4.7 4.7 4.9 5.3

5.0 4.9 5.0 5.2 5.6

--5.3 -------

--4.5 -------

--4.9 -------

----4.7 4.7 5.0

----4.2 4.2 4.4

----4.5 4.4 4.7

6.1 6.2 5.8 5.7 5.4

5.6 5.6 5.4 5.4 5.1

5.9 5.8 5.6 5.5 5.3

26 27 28 29 30 31

5.8 5.8 5.6 5.5 5.2 ---

5.2 5.0 5.0 4.9 4.6 ---

5.5 5.3 5.3 5.3 4.9 ---

5.8 5.3 5.2 5.3 5.5 5.6

5.0 4.3 4.3 4.5 4.8 5.1

5.3 4.8 4.6 4.9 5.1 5.3

5.2 5.3 5.3 5.4 5.2 5.0

4.6 4.8 4.7 4.5 4.4 4.2

4.8 5.0 5.0 4.9 4.7 4.5

5.9 5.8 5.5 5.6 5.6 ---

4.8 5.3 5.2 5.2 5.3 ---

5.4 5.4 5.4 5.4 5.4 ---

MONTH

6.3

3.9

5.1

---

---

---

---

---

---

6.6

4.3

5.5

JUNE

MIN JULY

MIN AUGUST

MIN

MEAN

SEPTEMBER

121

PEE DEE RIVER BASIN 02136000 BLACK RIVER AT KINGSTREE, SC LOCATION.--Lat 33°39'40'', long 79°50'10'', Williamsburg County, Hydrologic Unit 03040205, on left bank, at upstream side of bridge on U.S. Highway 52 at Kingstree, 1.0 mi downstream from Kingstree Swamp Canal, and at mile 86.7. DRAINAGE AREA.--1,252 mi2.

PERIOD OF RECORD.--October 1929 to current year. Gage-height records collected at same site since 1894 are contained in reports of National Weather Service. REVISED RECORDS.--WSP 1032: 1928(m), drainage area WSP 1333: 1930(m), 1931, 1936. GAGE.--Data collection platform. Datum of gage is 25.66 ft above NGVD of 1929. Prior to Nov. 7, 1934, nonrecording gage at same site and datum. REMARKS.--No estimated daily discharges. Records good. Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

1070 1110 1140 1090 1050

259 248 238 230 225

734 773 815 850 868

862 859 833 797 760

717 693 701 775 883

1590 1800 1910 2010 2070

2710 2670 2430 2200 2000

300 287 271 252 239

212 274 479 752 1070

180 276 470 631 868

296 432 440 485 616

683 611 513 413 333

6 7 8 9 10

999 954 919 896 873

222 218 213 209 206

872 871 854 838 856

728 697 675 656 639

961 990 1020 1050 1080

2030 1940 1850 1720 1590

1820 1670 1530 1400 1290

235 239 240 231 222

1470 1650 1650 1640 1680

1040 1080 1040 981 891

785 956 1030 1050 1030

278 240 210 184 160

11 12 13 14 15

835 779 718 648 618

205 205 214 226 233

850 816 775 725 672

621 603 597 693 850

1080 1070 1060 1040 1010

1460 1330 1200 1100 1030

1170 1090 1030 982 934

202 187 173 160 155

1680 1650 1560 1400 1190

758 618 530 481 482

1100 1290 1890 2570 2580

139 120 105 93 83

16 17 18 19 20

580 531 496 477 459

237 236 238 241 242

629 595 570 548 520

1020 1060 1040 1030 1000

988 958 917 869 819

1010 1070 1170 1300 1390

884 829 775 731 689

161 175 199 197 193

991 777 585 447 362

485 472 447 444 482

2510 2320 2120 1900 1640

75 67 63 56 51

21 22 23 24 25

435 408 380 356 339

245 248 249 270 338

494 473 460 451 441

960 906 866 841 834

782 781 800 855 921

1480 1520 1550 1540 1530

641 594 549 501 456

192 191 187 179 171

290 238 198 166 143

515 538 539 545 538

1370 1150 1160 1100 1020

47 43 40 37 34

26 27 28 29 30 31

325 310 296 285 276 269

423 488 549 616 680 ---

471 557 661 757 806 843

831 819 787 741 728 727

1010 1120 1340 -------

1510 1670 1980 2200 2310 2530

415 386 360 335 313 ---

160 154 149 140 148 164

136 132 138 151 163 ---

466 356 262 201 176 198

974 883 789 738 714 711

31 29 27 25 54 ---

19921 643 1140 269 0.51 0.59

8651 288 680 205 0.23 0.26

21445 692 872 441 0.55 0.64

25060 808 1060 597 0.65 0.74

26290 939 1340 693 0.75 0.78

50390 1625 2530 1010 1.30 1.50

33384 1113 2710 313 0.89 0.99

6153 198 300 140 0.16 0.18

23274 776 1680 132 0.62 0.69

16990 548 1080 176 0.44 0.50

37649 1214 2580 296 0.97 1.12

4844 161 683 25 0.13 0.14

547 7852 1973 11.3 1935

497 3318 1941 6.33 2002

558 3148 1991 5.19 1954

603 7258 1945 4.83 1954

TOTAL MEAN MAX MIN CFSM IN.

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1930 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

510 7708 1965 8.65 1932

465 3250 1948 5.00 1932

906 5471 1995 39.3 1955

1428 6499 1993 124 1934

1903 8404 1973 218 2002

2093 6938 1983 287 2002

1499 5905 1936 220 1985

573 2144 1984 38.6 2001

122

PEE DEE RIVER BASIN 02136000 BLACK RIVER AT KINGSTREE, SC--Continued SUMMARY STATISTICS

FOR 2004 CALENDAR YEAR

ANNUAL TOTAL ANNUAL MEAN HIGHEST ANNUAL MEAN LOWEST ANNUAL MEAN HIGHEST DAILY MEAN LOWEST DAILY MEAN ANNUAL SEVEN-DAY MINIMUM MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE INSTANTANEOUS LOW FLOW ANNUAL RUNOFF (CFSM) ANNUAL RUNOFF (INCHES) 10 PERCENT EXCEEDS 50 PERCENT EXCEEDS 90 PERCENT EXCEEDS A

FOR 2005 WATER YEAR

300776 822

WATER YEARS 1930 - 2005

274051 751

6210 62 68

Sep 1 Jun 3 May 31

2710 25 32 2740 10.49 24 0.600 8.14 1570 680 165

0.656 8.94 2250 450 193

960 2438 105 52800 2.0 2.6 58000 19.77 2.0 a 0.767 10.42 2340 466 49

Apr 1 Sep 29 Sep 23 Apr 1 Apr 1 Sep 29

Jun Sep Sep Jun Jun Sep

14 12 8 14 14 12

1973 2002 1973 1954 1954 1973 1973 1954

Also occurred Sep. 13-15, Oct. 7, 8, 1954. 10,000

5000

DISCHARGE, IN CUBIC FEET PER SECOND

2000

1000

500

200

100

50

20

10

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

123

PEE DEE RIVER BASIN 02136358 SAMPIT RIVER NEAR SAMPIT, SC LOCATION.--Lat 33°22'43'', long 79°23'00'', Georgetown County, Hydrologic Unit 03040207, on right upstream side of the 3-V chemical dock, 3.6 mi upstream of U.S. Highway 17 bridge in Georgetown. DRAINAGE AREA.--Indeterminate. PERIOD OF RECORD.--January 2005 to September 2005. GAGE.--Data collection platform. Elevation of gage is 19 ft below NGVD of 1929 (from topographic map).

REMARKS.--Records good. This site is strongly affected by astronomical tides. The astromomical tides occur at primary harmonic periods of 12.42 hours for semi-diurnal tides and 24.84 hours for diurnal tides. Previously published 24-hour daily mean discharge for this site may have been affected by aliasing due to tides and, thus, may contain spurious fluctuations or oscillations that were not indicative of net downstream discharge. Daily mean discharges published for water years 1995-2001. EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 10,300 ft3/s, Sep. 17, 2005, maximum gage height, 26.32 ft, Feb. 18, 2005; minimum discharge, -8,750 ft3/s, Sep. 16, 2005, minimum gage height, 18.88 ft, Mar. 12, 2005. EXTREMES FOR PERIOD OF RECORD.--Maximum discharge, 10,300 ft3/s, Sep. 17, maximum gage height, 26.32 ft, Feb. 18; minimum discharge, -8,750 ft3/s, Sep. 16, minimum gage height, 18.88 ft, Mar. 12. Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

1 2 3 4 5

-----------

-----------

-----------

-----------

-----------

-----------

-----------

-----------

--------8210

---------7060

6790 5580 6040 7620 7430

-3960 -4130 -3680 -4910 -4120

6 7 8 9 10

-----------

-----------

-----------

-----------

-----------

-----------

-----------

-----------

9110 9160 9270 8600 8970

-7650 -7880 -7840 -7740 -6480

8250 7250 9650 8820 7660

-5760 -5320 -6320 -6280 -6340

11 12 13 14 15

-----------

-----------

-----------

-----------

-----------

-----------

-----------

-----------

7810 7730 6780 6460 4800

-5740 -6150 -5420 -4950 -3780

7860 7140 6980 7050 6770

-6030 -5590 -5180 -5390 -4940

16 17 18 19 20

-----------

-----------

-----------

-----------

-----------

-----------

-----------

-----------

4990 5200 6360 5270 ---

-3940 -3940 -3930 -4000 ---

6140 6600 5960 7060 6550

-7540 -5490 -5460 -5150 -4870

21 22 23 24 25

-----------

-----------

-----------

-----------

-----------

-----------

6990 8030 6180 7410 7780

-6220 -6490 -4020 -6030 -5770

-----------

-----------

6420 7200 7540 8310 8230

-4560 -5300 -6890 -5530 -6480

26 27 28 29 30 31

-------------

-------------

-------------

-------------

-------------

-------------

7610 6820 7040 6810 7060 ---

-6160 -6030 -6150 -5860 -5140 ---

7500 7600 8430 -------

-5940 -7580 -6120 -------

7890 7920 7980 8560 8110 7270

-6660 -6440 -6450 -5950 -5890 -5370

MONTH

---

---

---

---

---

---

---

---

---

---

9650

-7540

OCTOBER

MAX

MIN

NOVEMBER

MAX

MIN

DECEMBER

MAX

MIN

JANUARY

MAX

MIN

FEBRUARY

MAX

MIN

MARCH

124

PEE DEE RIVER BASIN 02136358 SAMPIT RIVER NEAR SAMPIT, SC--Continued Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

1 2 3 4 5

8250 --5700 6780 7360

-5930 ---4040 -5170 -5480

6 7 8 9 10

7640 ---------

11 12 13 14 15

MAX

MIN

MAX

MIN

MAX

MIN

MAX

8180 7550 7950 7700 8140

-5150 -5850 -6060 -6220 -6660

7660 8070 7730 9170 8630

-6600 -6300 -6230 -6500 -6660

7900 7190 7060 6980 6990

-5730 -6010 -5020 -4600 -5220

7440 7800 8220 7750 7670

-5780 -6340 -6410 -6240 -6370

7510 8010 7920 7610 7610

-6070 -6210 -5950 -6720 -6590

-5960 ---------

8530 8420 8980 8980 8510

-6570 -7030 -7520 -7060 -6650

8230 7920 8310 8120 7020

-6320 -5990 -6210 -5390 -5350

6540 6140 6710 6370 6330

-5010 -5120 -4770 -4490 -4430

8090 8380 7670 7300 7640

-5970 -6260 -5540 -5360 -5300

7620 7450 7960 7030 7410

-6850 -6800 -6240 -6220 -5910

--7700 7290 6350 6310

---6660 -5830 -6120 -5970

8130 7420 6670 6750 6390

-5860 -4600 -5440 -5440 -4480

7480 7010 6460 5730 5910

-5290 -5020 -5020 -4540 -4290

5810 5850 5040 5610 5740

-4160 -4040 -4430 -4380 -4150

6860 6580 6670 7290 6820

-4920 -4720 -4840 -5360 -5450

7460 8550 7990 7320 8830

-6160 -6390 -6860 -5080 -8070

16 17 18 19 20

6470 7190 6960 5930 6460

-5450 -6130 -5740 -4520 -4500

6010 6490 7350 7650 7940

-3960 -4150 -4770 -5690 -5680

6110 7390 8600 8980 9180

-4410 -5660 -6600 -8180 -8530

6490 6540 7580 7390 7800

-4580 -5360 -5830 -6390 -6670

7880 8870 9180 9790 8650

-6680 -7240 -7870 -7520 -7510

9680 10300 9210 9510 9310

-8750 -8520 -7850 -7800 -7730

21 22 23 24 25

7650 7520 7780 7920 7920

-5160 -6530 -5550 -6110 -5790

9280 9400 9460 9190 8370

-7570 -7490 -7560 -7600 -8180

9160 8980 8980 9040 8920

-8010 -7440 -7730 -7780 -7570

8360 8230 8930 8400 8880

-7220 -7450 -7410 -7490 -6690

9520 9160 8270 7910 7530

-7340 -6960 -6660 -6430 -6700

8610 8380 7280 7150 6450

-6850 -6800 -6030 -5330 -5500

26 27 28 29 30 31

7280 7570 7540 7630 7360 ---

-6150 -5570 -5130 -5410 -5830 ---

9760 9010 8960 8040 7770 8250

-7650 -7340 -7340 -6450 -6450 -6570

8600 7760 7850 7880 8280 ---

-7080 -6260 -5500 -5220 -5730 ---

7850 7460 7320 7810 7400 6300

-6340 -5680 -5390 -6400 -5300 -4590

8180 7080 6230 6970 7200 7380

-7160 -5620 -5530 -5660 -5810 -5390

7080 6480 6820 7760 7730 ---

-5350 -4680 -5990 -5840 -6620 ---

MONTH

---

---

9760

-8180

9180

-8530

8930

-7490

9790

-7870

10300

-8750

APRIL

MAY

JUNE

JULY

MIN

AUGUST

MAX

MIN

SEPTEMBER

125

PEE DEE RIVER BASIN 02136361 TURKEY CREEK NEAR MARYVILLE, SC LOCATION.--Lat 33°19'42'', long 79°20'18'', Georgetown County, Hydrologic Unit 03040207, approximately 2,500 ft upstream of Pennyroyal Road on a pedestrian bridge, 4 mi southwest of Georgetown, and at mile 2.75. DRAINAGE AREA.--4.67 mi2, approximately. PERIOD OF RECORD.--October 1993 to current year. GAGE.--Data collection platform. Elevation of gage is 5.0 ft above NGVD of 1929 (from topographic map). REMARKS.-- Records fair except for estimated daily discharges, which are poor. Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

FEB

MAR

APR

MAY

1 2 3 4 5

2.8 2.9 5.0 e8.7 8.4

1.4 1.3 1.3 1.3 1.3

1.2 1.2 1.1 1.1 1.2

1.3 1.2 1.4 1.4 1.4

1.1 1.0 1.7 2.4 2.1

6.0 5.2 4.5 4.0 3.8

9.8 13 17 21 18

1.1 1.1 0.97 0.94 1.2

6 7 8 9 10

7.6 6.7 5.9 5.1 4.7

1.2 1.1 1.1 1.0 1.0

1.1 1.2 1.2 1.3 1.3

1.3 1.2 1.0 0.94 0.75

1.9 1.7 1.6 1.6 1.8

3.3 3.1 2.7 2.0 1.9

15 12 12 10 8.9

11 12 13 14 15

4.2 3.7 3.4 3.0 3.1

1.1 1.2 1.3 1.2 1.1

1.2 1.2 1.2 1.1 e1.0

0.65 0.73 0.81 1.0 1.0

1.6 1.5 1.4 1.4 1.5

1.8 1.6 e1.6 e1.5 e1.4

7.5 6.5 6.7 6.5 e5.7

16 17 18 19 20

3.1 2.7 2.4 2.3 2.4

1.1 1.1 1.0 1.0 1.0

e0.90 e0.80 0.75 0.73 0.84

1.0 1.0 0.93 0.91 0.94

1.5 1.4 1.2 1.2 1.1

2.5 4.0 3.6 3.5 3.3

e4.7 4.0 3.4 3.0 e2.6

1.5 2.2 e2.8 e2.2 e2.1

21 22 23 24 25

2.4 2.2 2.0 1.9 1.8

1.0 1.0 1.0 1.0 1.0

0.87 0.83 0.88 0.92 0.96

0.92 0.91 0.94 0.91 0.92

e2.0 e2.1 e2.2 e2.1 2.0

e2.9 3.1 5.6 5.8 5.2

e2.3 e2.0 e1.7 1.5 e1.5

2.6 2.5 2.2 1.8 1.4

26 27 28 29 30 31

1.7 1.7 1.6 1.6 1.6 1.5

e1.0 1.1 1.4 1.2 1.2 ---

2.0 1.7 1.3 1.3 1.3 1.3

0.88 0.90 0.83 0.86 1.2 1.1

1.9 2.2 6.1 -------

4.8 7.6 e23 e20 14 11

e1.4 e1.4 1.3 1.2 1.1 ---

108.1 3.49 8.7 1.5 0.75 0.86

34.0 1.13 1.4 1.0 0.24 0.27

34.98 1.13 2.0 0.73 0.24 0.28

31.23 1.01 1.4 0.65 0.22 0.25

51.3 1.83 6.1 1.0 0.39 0.41

164.3 5.30 23 1.4 1.13 1.31

202.7 6.76 21 1.1 1.45 1.61

TOTAL MEAN MAX MIN CFSM IN.

DEC

JAN

JUN

AUG

SEP

3.6 3.4 5.0 9.2 8.1

e4.7 e4.3 e2.4 e1.5 e1.3

0.89 0.84 0.60 0.50 0.46

e26 e24 e21 e17 e14

8.7 9.0 7.4 7.3 8.4

e1.7 e1.9 e2.3 e3.1 2.9

0.41 0.41 0.41 0.39 0.38

e12 e9.7 e8.5 e7.4 e6.2

7.6 6.8 5.9 5.1 4.8

2.6 2.3 2.1 1.8 1.7

0.36 0.34 0.48 0.55 0.45

e4.8 e3.2 2.7 2.2 1.5

5.2 4.4 3.7 3.1 2.4

1.4 1.2 1.0 0.84 0.75

0.40 0.35 0.35 0.38 0.37

0.86 0.76 0.96 0.86 0.86

2.0 1.8 1.8 1.6 1.4

0.65 0.57 0.54 0.53 0.58

0.37 0.36 0.34 0.33 0.32

1.3 1.1 e0.95 0.92 1.6 2.5

0.98 0.99 2.0 3.4 3.6 ---

1.2 1.0 0.90 e0.90 e2.0 e4.1

0.61 0.71 0.68 0.72 0.63 0.61

0.31 0.59 0.44 0.38 0.36 ---

46.73 1.51 2.8 0.88 0.32 0.37

211.07 7.04 26 0.76 1.51 1.68

137.80 4.45 9.2 0.90 0.95 1.10

48.62 1.57 4.7 0.53 0.34 0.39

13.12 0.44 0.89 0.31 0.09 0.10

4.52 13.9 2003 0.36 1998

19.8 187 1995 0.52 1998

15.6 86.6 1995 0.36 2001

e1.7 e1.4 1.3 1.2 1.1 1.0 0.98 0.88 0.89 1.3

3.0 3.6 3.7 5.3 20

JUL

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1994 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

5.85 22.7 2000 0.44 2002

2.66 7.52 1998 0.33 2002

3.84 14.1 1995 0.36 2002

5.42 30.8 1998 0.28 2002

6.28 37.3 1998 0.45 2002

6.82 20.9 2003 0.46 2002

3.47 8.11 2003 0.56 2002

2.26 11.2 2003 0.14 1994

4.07 15.9 1997 0.23 1998

126

PEE DEE RIVER BASIN 02136361 TURKEY CREEK NEAR MARYVILLE, SC--Continued SUMMARY STATISTICS

FOR 2004 CALENDAR YEAR

ANNUAL TOTAL ANNUAL MEAN HIGHEST ANNUAL MEAN LOWEST ANNUAL MEAN HIGHEST DAILY MEAN LOWEST DAILY MEAN ANNUAL SEVEN-DAY MINIMUM MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE ANNUAL RUNOFF (CFSM) ANNUAL RUNOFF (INCHES) 10 PERCENT EXCEEDS 50 PERCENT EXCEEDS 90 PERCENT EXCEEDS

FOR 2005 WATER YEAR

1270.67 3.47

WATER YEARS 1994 - 2005

1083.95 2.97

65 Aug 15 0.30 a Jun 24 0.35 Jun 21

e

0.743 10.12 8.4 1.2 0.52

26 0.31 0.34 80 2.17 0.636 8.63 7.3 1.5 0.65

Jun Sep Sep Aug Mar

6 26 20 15 28

e b

6.72 27.8 2.09 1350 0.03 0.06 1500 c 4.56 1.44 19.55 13 1.4 0.35

Aug Aug May Aug Aug

a b c

Also occurred Jun. 25. From rating curve extended above 59.5 ft3/s on basis of slope-area computation of peak discharge. From floodmarks.

e

Estimated

27 29 23 27 27

1995 2002 1995 1997 1994 1995 1995

100

50

DISCHARGE, IN CUBIC FEET PER SECOND

20

10

5

2

1

0.5

0.2

0.1

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

127

SANTEE RIVER BASIN 02146000 CATAWBA RIVER NEAR ROCK HILL, SC

LOCATION.--Lat 34°59'05'', long 80°58'27'', York County, Hydrologic Unit 03050103, on right bank, at downstream side of bridge on U.S. Highway 21, 3.5 mi downstream from Lake Wylie Dam, 5.0 mi northeast of Rock Hill, 7.5 mi upstream from Sugar Creek, and at mile 137.6. DRAINAGE AREA.--3,050 mi2, approximately. PERIOD OF RECORD.--October 1895 to September 1902, April 1942 to current year. Monthly discharge only for some periods, published in WSP 1303. REVISED RECORDS.--WSP 1303: 1895-1903, WSP 1333: 1942-43(M), 1953(M). WSP 1623: 1942-51 (yearly runoff). GAGE.--Data collection platform. Datum of gage is 485.82 ft above NGVD of 1929. Sept. 23, 1895, to July 31, 1903, nonrecording gage at Southern Railway bridge, 2.0 mi downstream, at different datum. REMARKS.--Records good except for estimated daily discharges, which are poor. Flow regulated by Lake Wylie (usable capacity, 2,520,500,000 ft3). Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

10400 10000 8210 2340 4760

5010 2900 1310 3790 4770

6510 6630 7180 2920 2040

9080 6760 6650 4920 6180

4990 2650 2910 2550 3460

5120 4450 5060 5880 5040

13400 12500 9090 5910 4680

2200 4180 2060 2170 2420

1300 911 566 1760 4260

4950 3420 3030 4110 7230

3740 3640 4900 3960 2090

4430 2730 2860 2230 1830

6 7 8 9 10

4920 5350 3850 6030 7230

2670 2100 3240 3740 3930

7240 6940 6780 2830 8430

6420 5150 3210 3020 5300

4810 2940 3680 3510 3090

2040 3750 3270 4430 4190

5540 5350 6340 7920 5030

2290 1620 3000 3520 2810

2130 3050 2300 2110 6890

6530 7610 8170 8280 10100

1630 1690 2500 2620 2320

2390 1840 1700 1670 1570

11 12 13 14 15

6170 4530 8900 1770 4490

4650 5100 2160 4470 3200

10600 9060 8230 8830 6250

7060 6560 2560 5860 4670

3290 2650 2380 2310 2410

4940 2410 2260 2630 3190

6510 3590 4620 5970 8070

3780 3020 1670 1920 2850

6630 3100 5340 6020 3900

10000 8610 7480 8750 8760

5730 4340 3780 2030 3320

1680 2010 2680 1910 1780

16 17 18 19 20

4880 4110 4860 5300 2020

3270 3640 6330 6620 3650

7440 8010 8280 8000 7720

5270 6780 8040 8510 7850

1440 1640 1580 1690 1300

4370 3730 3930 3130 2900

7220 4130 5830 6050 5710

3000 1550 1500 1020 1310

6610 6750 3670 2230 1780

4800 5920 6320 4800 3330

4480 2310 5810 5430 4960

2530 1010 1290 859 753

21 22 23 24 25

3900 5410 3960 4740 4290

2380 3790 3860 6550 5420

8350 5700 4940 6710 6860

6230 3590 6600 4960 3340

1510 1760 2080 2430 1840

4850 4450 3610 3450 3430

4240 4180 3180 2600 3000

1250 1970 4810 3440 2130

2270 2720 3270 2320 2580

e6780 e2640 1650 e2650 4520

5640 5220 3620 6330 7030

1230 1090 1100 1040 1040

26 27 28 29 30 31

3250 3170 3880 2970 3560 2610

4850 5590 4340 4800 4370 ---

6640 8820 6430 8120 9540 7830

2440 3480 5180 2170 1840 3160

2520 2290 5000 -------

4440 2300 6390 4940 9590 9090

5010 4060 4970 4600 3210 ---

1310 1930 1310 1300 1330 1080

2510 2240 3280 3380 5670 ---

3790 5620 4150 3070 3980 2640

7660 6740 3690 5280 3690 4320

1060 1050 1050 1050 1050 ---

151860 4899 10400 1770 1.61 1.85

122500 4083 6620 1310 1.34 1.49

219860 7092 10600 2040 2.33 2.68

162840 5253 9080 1840 1.72 1.99

74710 2668 5000 1300 0.87 0.91

133260 4299 9590 2040 1.41 1.63

172510 5750 13400 2600 1.89 2.10

69750 2250 4810 1020 0.74 0.85

101547 3385 6890 566 1.11 1.24

173690 5603 10100 1650 1.84 2.12

130500 4210 7660 1630 1.38 1.59

50512 1684 4430 753 0.55 0.62

3271 10340 1896 933 1986

3426 22230 1901 989 2001

3060 10980 2004 743 2001

TOTAL MEAN MAX MIN CFSM IN.

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1896 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

3348 10680 1899 652 2003

3456 12400 1978 705 2002

4144 14270 1902 583 2002

5159 10630 1946 741 2002

5736 14950 1899 886 2002

6090 19510 1899 1119 2002

5519 15970 1901 1211 1985

4232 15360 1901 910 1986

3866 10120 1901 999 2002

128

SANTEE RIVER BASIN 02146000 CATAWBA RIVER NEAR ROCK HILL, SC--Continued SUMMARY STATISTICS

FOR 2004 CALENDAR YEAR

ANNUAL TOTAL ANNUAL MEAN HIGHEST ANNUAL MEAN LOWEST ANNUAL MEAN HIGHEST DAILY MEAN LOWEST DAILY MEAN ANNUAL SEVEN-DAY MINIMUM MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE ANNUAL RUNOFF (CFSM) ANNUAL RUNOFF (INCHES) 10 PERCENT EXCEEDS 50 PERCENT EXCEEDS 90 PERCENT EXCEEDS

FOR 2005 WATER YEAR

1456964 3981 47200 309 1290

Sep 10 Aug 24 May 25

13400 Apr 1 566 Jun 3 1020 Sep 19 15300 a Dec 17 7.95 b Jan 15 1.40 19.07 7680 3850 1650

1.31 17.77 7230 2900 1390

a b c

Also occurred Jan. 15, Apr. 2. Also occurred Apr. 2. At site and datum then in use.

e

Estimated

WATER YEARS 1896 - 2005

1563539 4284

c

4269 9635 932 127000 e 132 474 151000 c 24.15 1.40 19.02 8580 3410 890

May Jan Jan May May

23 7 18 23 23

1901 2002 1901 2002 2002 1901 1901

100,000

50,000

DISCHARGE, IN CUBIC FEET PER SECOND

20,000

10,000

5000

2000

1000

500

200

100

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

129

SANTEE RIVER BASIN 02147020 CATAWBA RIVER BELOW CATAWBA, SC LOCATION.--Lat 34°50'10'', long 80°52'47'', York County, Hydrologic Unit 03050103, on right bank, 1.5 mi downstream from Twelvemile Creek, 2.2 mi southeast of Catawba, and at mile 121.3. DRAINAGE AREA.--3,540 mi2, approximately. PERIOD OF RECORD.--January 1992 to current year.

GAGE.--Data collection platform. Datum of gage is 442.0 ft above NGVD of 1929 (by Global Positioning Survey). June 1906 to Dec. 21, 1948, nonrecording gage at site 0.6 mi downstream at different datum. October 1967 to January 1992, recording gage at site 1.5 mi upstream at different datum and published as station 02147000. REMARKS.--No estimated daily discharges. Records good. Flow regulated by Lake Wylie (usable capacity, 2,520,500,000 ft3). EXTREMES FOR OUTSIDE PERIOD OF RECORD.--Maximum stage known since June 1906, 40.4 ft July 16, 1916, at site and datum then in use, from records furnished by the National Weather Service. Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

8940 11600 9100 1300 4960

5480 1820 2990 3530 4900

6540 6740 6800 3410 1760

8290 8420 7090 6610 5190

5380 4310 3330 4870 4800

8350 5430 6820 6190 6660

14600 14000 11000 9190 3960

3580 5130 4190 2300 2900

1380 6750 6580 1960 3620

5640 5230 3650 4500 6310

4460 3590 4200 4530 2570

5240 3240 2860 3020 2120

6 7 8 9 10

4850 4700 4350 4600 6840

3390 2640 2390 3690 3850

7180 7420 7220 1980 8850

5940 5350 5030 2840 6010

4640 3770 5120 3990 3270

3100 4600 4990 5260 6750

7840 6210 7200 8920 6830

4490 3110 1920 4730 4410

4030 3560 3790 2460 6380

6910 7820 9250 8540 9830

1560 1430 2190 3850 3330

2540 2040 1860 1760 1660

11 12 13 14 15

6600 4090 9670 2720 3450

4260 4330 4370 2570 3420

11800 9350 8600 9140 6900

6520 7710 4460 5970 8590

4450 3500 2790 2840 3660

4830 4970 3270 3180 4330

8040 5760 9040 8080 10200

5260 4730 4440 2790 3020

6330 4690 4320 6680 5160

9930 8850 7620 8890 8920

4860 5370 4880 3000 4840

1770 1920 2880 1910 2390

16 17 18 19 20

6710 1930 5610 4380 3280

2920 3350 7320 5170 6740

7170 7340 8780 8870 7750

5990 6280 8070 8960 9020

2650 2550 2630 1880 2170

5330 7750 5550 5400 3990

8370 6690 7440 6400 8880

3900 3230 1370 2060 2220

6520 6070 4890 2830 2240

5470 5340 6490 5350 3980

4820 3540 5380 6430 6630

2780 1350 1500 978 782

21 22 23 24 25

2040 5310 5390 3870 5020

518 4290 4030 5840 6100

7560 7460 6070 5930 7170

7140 4660 4950 7060 4790

2030 3300 3130 3400 3820

5010 6360 5570 5820 5690

3880 5820 5480 3650 4470

3100 2080 4310 4970 3330

1700 3560 2380 3360 2370

5520 4610 1910 1840 4140

5150 6560 4560 7950 7380

980 1300 1180 1090 1080

26 27 28 29 30 31

2400 2610 3710 3360 3310 2170

7410 3250 7550 3360 5840 ---

6830 8340 8120 7240 9280 8180

2580 3340 5750 3760 1790 4060

3280 2780 7850 -------

4040 4520 9580 8870 10100 11000

5460 5820 5500 6230 5210 ---

1260 2190 2430 1540 1650 1290

2410 2750 3610 5440 5260 ---

4610 4170 4190 5160 4230 5310

8760 6840 4720 5750 3630 5260

1090 1080 1080 1090 1140 ---

148870 4802 11600 1300 1.36 1.56

127318 4244 7550 518 1.20 1.34

225780 7283 11800 1760 2.06 2.37

182220 5878 9020 1790 1.66 1.91

102190 3650 7850 1880 1.03 1.07

183310 5913 11000 3100 1.67 1.93

220170 7339 14600 3650 2.07 2.31

97930 3159 5260 1260 0.89 1.03

123080 4103 6750 1380 1.16 1.29

184210 5942 9930 1840 1.68 1.94

148020 4775 8760 1430 1.35 1.56

55710 1857 5240 782 0.52 0.59

3206 7688 2003 1153 2001

3610 8733 1994 1142 2001

2903 12090 2004 1138 1999

TOTAL MEAN MAX MIN CFSM IN.

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1992 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

2882 7722 1996 991 1994

3205 7780 1993 1164 2002

4446 8630 1993 1067 2002

5870 11270 1993 1710 2002

6185 12570 1998 1463 2002

6663 14200 1993 2090 2002

5825 15940 2003 1950 2002

3987 12380 2003 1541 2002

4071 11300 2003 1305 2002

130

SANTEE RIVER BASIN 02147020 CATAWBA RIVER BELOW CATAWBA, SC--Continued SUMMARY STATISTICS

FOR 2004 CALENDAR YEAR

ANNUAL TOTAL ANNUAL MEAN HIGHEST ANNUAL MEAN LOWEST ANNUAL MEAN HIGHEST DAILY MEAN LOWEST DAILY MEAN ANNUAL SEVEN-DAY MINIMUM MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE ANNUAL RUNOFF (CFSM) ANNUAL RUNOFF (INCHES) 10 PERCENT EXCEEDS 50 PERCENT EXCEEDS 90 PERCENT EXCEEDS

FOR 2005 WATER YEAR

1695516 4633

WATER YEARS 1992 - 2005

1798808 4928

40700 518 1710

Sep 10 Nov 21 May 25

14600 518 1060 17300 12.45 1.39 18.90 8390 4700 1920

1.31 17.82 7850 3580 1920

Apr Nov Sep Dec Dec

1 21 19 10 10

e

4374 7556 1477 49800 451 807 Unknown 22.69 1.24 16.79 9260 3060 1100

Apr Oct Oct Apr Apr

11 31 9 11 11

2003 2002 2003 2003 1993 2003 2003

100,000

50,000

DISCHARGE, IN CUBIC FEET PER SECOND

20,000

10,000

5000

2000

1000

500

200

100

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

131

SANTEE RIVER BASIN 02147500 ROCKY CREEK AT GREAT FALLS, SC LOCATION.--Lat 34°33'55'', long 80°55'12'', Chester County, Hydrologic Unit 03050103, on left bank, 350 ft downstream from Turkey Branch, 1.0 mi west of Great Falls, and at mile 1.8. DRAINAGE AREA.--194 mi2. PERIOD OF RECORD.--March 1951 to September 1981, October 1986 to current year. GAGE.--Data collection platform. Elevation of gage is 299 ft above NGVD of 1929 (by barometer). REMARKS.--Records good except for estimated daily discharges, which are poor. Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

90 71 61 56 48

23 22 21 24 46

37 38 36 31 30

28 28 28 28 28

54 45 88 186 105

642 247 159 118 98

507 274 176 123 102

51 44 40 37 35

74 2180 3330 416 225

27 42 29 28 e23

105 62 33 23 19

16 13 12 11 9.4

6 7 8 9 10

41 37 34 31 31

37 28 24 22 20

31 34 36 33 135

28 28 28 28 26

75 63 56 53 56

81 72 164 216 119

87 81 98 432 188

41 35 32 30 30

151 142 255 120 87

19 18 19 19 16

17 16 21 23 24

8.1 8.1 8.1 7.3 6.7

11 12 13 14 15

27 26 27 32 29

21 25 64 44 31

176 83 61 50 42

26 26 26 300 218

47 43 41 44 73

94 78 67 66 67

120 116 574 392 230

34 31 27 26 26

65 56 53 48 41

16 26 24 34 23

59 25 19 50 73

6.4 5.7 5.3 5.2 5.1

16 17 18 19 20

25 21 20 20 21

27 26 25 25 24

38 37 36 35 33

102 75 59 49 47

66 72 64 47 44

312 1210 460 238 160

149 118 105 94 83

24 23 22 21 41

34 29 27 25 24

18 15 23 35 69

38 23 190 282 91

5.1 5.4 5.3 4.9 4.6

21 22 23 24 25

21 21 22 22 25

24 24 36 48 50

30 30 35 40 34

45 41 38 33 35

225 468 190 241 325

122 103 180 197 130

74 69 80 66 57

81 39 29 24 21

24 25 23 17 16

58 37 34 23 17

45 32 27 24 23

4.5 4.6 4.6 4.4 4.2

26 27 28 29 30 31

24 22 22 24 27 25

49 37 39 45 38 ---

31 29 28 28 29 28

35 34 30 30 53 71

163 119 907 -------

105 103 796 556 221 198

53 52 49 45 46 ---

19 18 17 16 65 102

16 17 46 57 47 ---

15 13 12 47 122 208

21 17 17 16 15 19

4.6 5.5 5.6 5.3 5.1 ---

1003 32.4 90 20 0.17 0.19

969 32.3 64 20 0.17 0.19

1374 44.3 176 28 0.23 0.26

1651 53.3 300 26 0.27 0.32

3960 141 907 41 0.73 0.76

7379 238 1210 66 1.23 1.41

4640 155 574 45 0.80 0.89

1081 34.9 102 16 0.18 0.21

7670 256 3330 16 1.32 1.47

1109 35.8 208 12 0.18 0.21

1449 46.7 282 15 0.24 0.28

201.1 6.70 16 4.2 0.03 0.04

89.2 614 1973 7.69 2002

88.3 679 1959 7.00 2002

101 1387 1967 4.46 1957

98.5 952 1987 0.86 1954

TOTAL MEAN MAX MIN CFSM IN.

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1951 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

134 1099 1965 2.11 1955

102 647 1958 10.8 1955

151 544 1973 22.2 2002

312 839 1978 27.2 2004

344 912 1960 51.4 2001

394 1160 1980 49.6 1955

251 791 1973 50.7 1995

106 347 1971 18.9 2001

132

SANTEE RIVER BASIN 02147500 ROCKY CREEK AT GREAT FALLS, SC--Continued SUMMARY STATISTICS

FOR 2004 CALENDAR YEAR

ANNUAL TOTAL ANNUAL MEAN HIGHEST ANNUAL MEAN LOWEST ANNUAL MEAN HIGHEST DAILY MEAN LOWEST DAILY MEAN ANNUAL SEVEN-DAY MINIMUM MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE INSTANTANEOUS LOW FLOW ANNUAL RUNOFF (CFSM) ANNUAL RUNOFF (INCHES) 10 PERCENT EXCEEDS 50 PERCENT EXCEEDS 90 PERCENT EXCEEDS

FOR 2005 WATER YEAR

27644.7 75.5 4860 2.6 3.5

Sep 8 Aug 10 Aug 6

3330 4.2 a 4.5 6630 8.26 4.1 0.459 6.23 182 35 16

0.389 5.30 113 31 9.2

a b c

Also occurred Sep. 25. Also occurred Aug. 16, 2002 Also occurred Aug. 15-17, 2002.

e

Estimated

WATER YEARS 1951 - 2005

32486.1 89.0

181 315 52.0 21100 0.00 b 0.03 31300 18.82 0.00 c 0.933 12.68 339 62 16

Jun 3 Sep 25 Sep 20 Jun 3 Jun 3 Sep 24

Aug Aug Aug Aug Aug Aug

24 15 11 23 23 14

1973 2002 1967 2002 2002 1967 1967 2002

10,000 5000

2000 1000

DISCHARGE, IN CUBIC FEET PER SECOND

500

200 100 50

20 10 5

2 1

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

133

SANTEE RIVER BASIN 02148000 WATEREE RIVER NEAR CAMDEN, SC

LOCATION.--Lat 34°14'40'', long 80°39'15'', Kershaw County, Hydrologic Unit 03050104, on downstream side of pier of downstream bridge on U.S. Highway 1, 1,500 ft downstream from Five and Twenty Creek, 4,000 ft upstream from Seaboard Coast Line Railroad bridge, 2.2 mi west of Camden, 7.4 mi downstream from Wateree Dam, and at mile 68.8. DRAINAGE AREA.--5,070 mi2, approximately. PERIOD OF RECORD.--January to December 1903 (gage heights only), October 1904 to September 1910, October 1929 to current year. Monthly discharge only for some periods, published in WSP 1303. Gage-height records collected at site 1.5 mi downstream 1891-1934, at site 830 ft upstream January 1935 to September 1942, and at present site since October 1942, are contained in reports of National Weather Service. REVISED RECORDS.--WSP 802: 1930. WSP 952: Drainage area. WSP 1082: 1934(M). WSP 1433: 1905-10. WSP 1623: 1930-51 (monthly and yearly runoff). GAGE.--Data collection platform. Datum of gage is 115.36 ft above NGVD of 1929. January 1903 to September 1910, nonrecording gage at site 1.5 mi downstream at datum 117.71 ft above NGVD of 1929. October 1, 1929 to September 1, 1942, recording gage at site 830 ft upstream at datum 119.36 ft above NGVD of 1929. October 1942 to September 30, 1997, recording gage at present site at datum 119.36 ft above NGVD of 1929. October 1, 1997 to September 30, 2003, recording gage at present site at datum 118.36 ft above NGVD of 1929. REMARKS.--Records fair except for estimated daily discharges, which are poor. Flow regulated by powerplants at Wateree Reservoir (usable capacity, 2,794,000,000 ft3). EXTREMES FOR OUTSIDE PERIOD OF RECORD.--The flood of July 18, 1916 reached a stage of 40.4 ft, datum 117.71 ft above mean sea level, at site 1.5 mi downstream, from records of National Weather Service, discharge, 400,000 ft3/s, from rating curve extended above 122,000 ft3/s, as explained in footnote below. Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

14400 14000 10200 6950 3080

6940 3680 2460 2240 5100

5380 6850 8150 9240 3760

11300 8220 7310 5670 5630

5050 3860 2190 5660 6100

7720 9950 9910 8830 6280

13400 13800 13100 11100 6010

3690 4520 4370 3500 3700

4680 5910 12500 12200 8550

6600 6490 6760 8170 10500

7950 6230 6160 5160 4270

2740 3510 3390 2400 1710

6 7 8 9 10

5330 4390 4290 3470 5590

3600 3460 3150 2920 4030

3620 6600 4920 7000 8460

5860 7550 5740 2420 6710

3970 4610 2360 4360 3540

4930 5660 5700 7550 8740

6080 10200 9240 8240 7320

3150 3130 3100 2860 4050

4250 4340 5440 6570 7540

9770 11600 8140 10500 9690

3610 2840 3400 2420 4860

2350 2430 1650 1450 1740

11 12 13 14 15

7120 4350 7020 4500 9100

2840 4560 3010 3430 4750

10700 11200 9410 7100 6940

5090 6250 5830 7850 12200

4090 3450 1600 3050 3010

6100 5320 2980 3270 5320

6880 9120 14100 12400 13200

5300 5310 3570 3540 4240

5830 6360 4860 8090 6440

10800 10600 9510 e8900 e10100

5600 4730 4220 2990 3890

1350 1440 2280 1350 1610

16 17 18 19 20

3830 5760 e2040 e2460 3020

4820 2950 3640 4060 5250

7210 9500 9550 9400 8510

9960 6020 6510 6400 11500

2740 2370 2750 2230 2020

7000 11000 10700 8500 5260

10600 8430 6370 8440 9040

3670 5400 3420 2930 3050

7940 6100 3710 3750 3360

8520 5470 9920 7300 6250

5180 4880 6400 7400 8640

2750 959 1180 1310 1010

21 22 23 24 25

4620 4680 3650 3260 5270

3960 3900 3650 6160 6560

7990 7530 4690 8050 10800

10800 6450 5620 4990 4900

1890 4160 5000 3930 6280

4810 7730 8400 7930 6600

5400 5190 6470 3880 4130

3080 3040 3250 4130 2960

2260 3920 5790 3500 2930

5690 3530 4100 4210 4460

6680 6030 5150 5170 9090

e1270 e1260 e1250 e1520 e1130

26 27 28 29 30 31

4070 2580 2800 1940 2430 2640

5760 6970 4660 5750 4840 ---

10200 9000 7950 7170 8870 10900

2500 3320 5070 3820 4480 3850

5840 4030 4750 -------

6420 6930 10500 14300 16500 15600

5040 4540 5260 5860 6810 ---

3020 2140 1830 1940 2010 2060

3660 3040 5010 5740 6120 ---

4170 6360 4950 2660 4620 6100

8860 8250 6830 7890 3790 3750

e1030 e1370 e1780 1350 1070 ---

158840 5124 14400 1940 1.01 1.17

129100 4303 6970 2240 0.85 0.95

246650 7956 11200 3620 1.57 1.81

199820 6446 12200 2420 1.27 1.47

104890 3746 6280 1600 0.74 0.77

246440 7950 16500 2980 1.57 1.81

249650 8322 14100 3880 1.64 1.83

105960 3418 5400 1830 0.67 0.78

170390 5680 12500 2260 1.12 1.25

226440 7305 11600 2660 1.44 1.66

172320 5559 9090 2420 1.10 1.26

51639 1721 3510 959 0.34 0.38

4235 14980 1941 656 1956

4464 12720 1967 1456 2002

4135 20430 1945 1033 1954

TOTAL MEAN MAX MIN CFSM IN.

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1930 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

4691 19080 1965 1095 1955

4821 15370 1978 992 1932

5774 14000 1984 1056 2002

8333 18530 1937 1803 1942

8868 23270 1960 2120 2001

9476 21700 1952 2941 1988

8191 28750 1936 1701 1986

5485 13280 2003 1022 1986

4737 13040 2003 997 1988

134

SANTEE RIVER BASIN 02148000 WATEREE RIVER NEAR CAMDEN, SC--Continued SUMMARY STATISTICS

FOR 2004 CALENDAR YEAR

ANNUAL TOTAL ANNUAL MEAN HIGHEST ANNUAL MEAN LOWEST ANNUAL MEAN HIGHEST DAILY MEAN LOWEST DAILY MEAN ANNUAL SEVEN-DAY MINIMUM MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE ANNUAL RUNOFF (CFSM) ANNUAL RUNOFF (INCHES) 10 PERCENT EXCEEDS 50 PERCENT EXCEEDS 90 PERCENT EXCEEDS

FOR 2005 WATER YEAR

1917350 5239

2062139 5650

36000 1000 1630

Sep 11 Feb 14 May 26

16500 a 959 1180 16800 19.34 1.11 15.13 9950 5150 2270

1.03 14.07 9370 3810 2050

Mar Sep Sep Mar Mar

30 17 17 30 30

WATER YEARS 1930 - 2005 6087 9964 1852 149000 143 279 b 366000 39.70 1.20 16.31 12900 4790 1150

1960 2002 Oct 3 1929 Sep 28 1980 Jul 1 1959 Aug 26 1908 Aug 26 1908

a b

Also occurred on Mar. 31. Site and datum then in use, from records of National Weather Service, from rating curve extended above 122,000 ft3/s on basis of computations, by Duke Energy Corporation, of peak flow of 382,000 ft3/s over dam at Rocky Creek Reservior.

e

Estimated 100,000

50,000

DISCHARGE, IN CUBIC FEET PER SECOND

20,000

10,000

5000

2000

1000

500

200

100

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

135

SANTEE RIVER BASIN 02148300 COLONELS CREEK NEAR LEESBURG, SC LOCATION.--Lat 34°00'25'', long 80°43'58'', Richland County, Hydrologic Unit 03050110, on SC Highway 262 bridge, 0.2 mi above Jumping Run Creek, and 1.9 mi southwest of Leesburg. DRAINAGE AREA.--38.1 mi2. PERIOD OF RECORD.--September 1966 to September 1980, February 2004 to current year.

GAGE.--Data collection platform. Elevation of gage is 158 ft above NGVD of 1929 (from topographic map). Prior to February 2004, at same site, at different datum. REMARKS.--Records good except for estimated daily discharges, which are poor. Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUL

AUG

SEP

1 2 3 4 5

61 41 34 30 25

17 17 17 18 20

29 26 25 23 23

29 28 27 26 25

33 29 40 51 42

64 60 43 35 31

41 44 37 31 27

23 20 19 17 16

23 52 58 65 53

55 123 167 164 104

53 34 25 20 17

15 14 13 12 12

6 7 8 9 10

22 20 18 17 16

19 18 17 18 17

23 25 25 24 32

24 24 23 23 23

35 31 28 31 45

29 30 41 47 51

32 35 29 49 49

20 19 17 15 14

37 39 76 74 71

75 50 37 30 26

16 18 17 33 84

11 11 11 11 11

11 12 13 14 15

16 16 16 16 17

18 18 23 22 21

34 29 26 24 25

23 23 23 55 77

37 32 28 27 31

34 28 25 23 22

55 55 45 41 36

14 13 13 13 12

48 35 30 33 30

25 23 23 30 32

60 39 29 55 64

10 10 10 12 11

16 17 18 19 20

17 16 15 15 15

20 20 19 18 19

34 25 23 22 22

64 66 45 35 31

29 27 25 23 31

40 57 48 37 30

30 26 24 23 21

13 13 12 12 20

24 20 17 13 13

30 25 22 21 19

66 40 32 26 21

11 11 11 10 10

21 22 23 24 25

15 15 15 16 19

19 19 54 67 57

21 21 24 27 25

29 28 26 24 24

25 42 38 48 59

27 26 33 32 32

20 20 27 25 22

43 28 22 18 16

12 12 11 9.8 9.6

17 16 16 14 13

22 36 33 26 22

10 10 10 10 10

26 27 28 29 30 31

18 18 18 18 18 18

44 36 41 37 32 ---

35 48 41 36 33 31

25 31 28 32 44 42

48 40 60 -------

27 e35 e60 e62 43 39

25 29 21 19 20 ---

14 13 12 12 17 20

13 14 36 e98 73 ---

13 12 12 12 15 45

19 17 17 16 15 16

11 10 10 11 10 ---

631 20.4 61 15

782 26.1 67 17

861 27.8 48 21

1027 33.1 77 23

1015 36.2 60 23

1191 38.4 64 22

958 31.9 55 19

530 17.1 43 12

1099.4 36.6 98 9.6

1266 40.8 167 12

988 31.9 84 15

329 11.0 15 10

37.0 77.4 1975 18.9 2004

40.0 127 1967 20.1 2004

33.7 77.2 1979 11.0 2005

TOTAL MEAN MAX MIN

JUN

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1966 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

35.3 48.0 1980 19.1 1979

42.3 75.4 1980 26.1 2005

50.2 99.4 1977 27.8 2005

60.3 85.0 1977 33.1 2005

57.0 86.3 1973 36.2 2005

58.5 92.4 1980 30.9 2004

50.7 89.3 1975 22.6 2004

40.6 83.7 1975 16.0 2004

36.3 77.1 1973 18.2 2004

136

SANTEE RIVER BASIN 02148300 COLONELS CREEK NEAR LEESBURG, SC--Continued SUMMARY STATISTICS

FOR 2005 WATER YEAR

ANNUAL TOTAL ANNUAL MEAN HIGHEST ANNUAL MEAN LOWEST ANNUAL MEAN HIGHEST DAILY MEAN LOWEST DAILY MEAN ANNUAL SEVEN-DAY MINIMUM MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE 10 PERCENT EXCEEDS 50 PERCENT EXCEEDS 90 PERCENT EXCEEDS a b

Also occurred Jul. 4. At datum then in use.

e

Estimated

WATER YEARS 1966 - 2005

10677.4 29.3

45.9 59.0 29.3 893 9.0 9.3 b 1350 b 7.78 79 38 20

167 Jul 3 9.6 Jun 25 10 Sep 19 185 a Jul 3 5.92 a Jul 3 53 25 12

1975 2005 Aug 11 1967 Jun 7 2004 Jun 2 2004 Aug 11 1967 Aug 11 1967

1000

500

DISCHARGE, IN CUBIC FEET PER SECOND

200

100

50

20

10

5

2

1

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

137

SANTEE RIVER BASIN 02148315 WATEREE RIVER BELOW EASTOVER, SC LOCATION.--Lat 33°49'42'', long 80°37'14'', Richland County, Hydrologic Unit 03050104, on right bank, 1.3 mi upstream from Southern Railway bridge, 1.8 mi northeast of Wateree, 4.5 mi southeast of Eastover, and at mile 10.8. DRAINAGE AREA.--5,590 mi2, approximately. WATER-DISCHARGE RECORDS PERIOD OF RECORD.--July 1968 to current year, discharge below 10,000 ft3/s only. GAGE.--Data collection platform. Datum of gage is 77.43 ft above NGVD of 1929 (South Carolina Electric and Gas Company benchmark).

REMARKS.--Records good except for estimated daily discharges, which are poor. Flow regulated by powerplant at Wateree Reservoir (usable capacity, 2,794,000,000 ft3/s). Discharge represents only that portion of the flow confined to the main channel; less than about 10,000 ft3/s. At times of high flow, bankfull capacity is exceeded in the intervening channel reach, therefore, daily mean discharges greater than 10,000 ft3/s are not shown. Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

--------9230

3160 5550 5080 3920 3320

5640 5920 6630 7520 8480

9490 9780 8950 8000 6620

4570 5040 4660 3600 4980

5550 7370 8760 9140 8820

-----------

6240 4840 4400 4540 3970

2090 3020 5440 8920 9780

6110 6540 6630 6970 7820

5500 6380 5990 5930 5380

3970 3750 3270 3520 3310

6 7 8 9 10

6650 6030 5740 5630 4520

4290 4740 4470 3910 3810

6150 4630 6140 5830 6610

6200 6250 7070 6510 4370

6160 5130 5000 4060 4120

7430 5930 5770 5940 7250

8950 7600 8730 8950 8490

3810 3530 3380 3230 3160

8810 6330 5000 5160 6070

8960 9220 9550 8710 9040

4640 3770 3550 3280 3210

2540 2290 2630 2460 1900

11 12 13 14 15

5760 6930 5770 6510 5830

4200 3830 4480 4280 3820

8110 9340 9800 9390 8110

5640 5780 6130 6360 7500

4340 4740 4300 3240 3150

8120 6950 5970 4360 4140

7760 7170 8380 -----

3620 4290 5040 4310 3550

6990 6340 5990 5370 6840

8940 9350 9360 9060 e8500

3850 e4970 e5070 4610 3800

1840 1800 1680 1880 2120

16 17 18 19 20

7440 6210 5840 3530 2700

4770 5140 4110 3970 4460

7480 7560 8570 8930 9050

e9570 e9450 7920 7170 7100

3500 3570 3080 3290 2900

4870 6740 9160 9730 8860

----e9260 7650 7940

3760 4000 4520 3990 3250

6610 6710 6160 4510 3800

e8850 e8760 e6900 e7450 7390

3620 4680 5020 5510 6690

1770 2130 2200 1440 1530

21 22 23 24 25

4160 4150 4990 4580 4230

5270 4860 4680 4520 5940

8680 8130 7780 6170 7300

9170 9660 7970 6460 5950

2850 2480 3730 5120 4880

6830 5610 6920 7980 7780

8430 6530 5750 6200 5070

3150 3180 3180 3230 3760

3500 2890 2910 4690 3910

6350 5600 4630 3980 4060

7360 6570 6020 5520 5230

1490 1340 1330 1220 1390

26 27 28 29 30 31

5160 5000 4050 3840 3150 2960

6860 6430 6860 6150 6050 ---

9270 9500 9000 8400 7730 8480

5450 4120 3770 4790 5070 4740

6030 6150 5250 -------

7090 6910 7080 e8810 -----

4510 4850 4890 5130 5650 ---

3260 2970 2640 2060 1950 1990

3090 3160 3070 4310 5770 ---

4380 4160 5200 5170 3400 3860

7410 7930 7530 6710 e7010 5320

1250 1130 1150 1500 1540 ---

TOTAL MEAN MAX MIN CFSM IN.

-------------

142930 4764 6860 3160 0.85 0.95

240330 7753 9800 4630 1.39 1.60

213010 6871 9780 3770 1.23 1.42

119920 4283 6160 2480 0.77 0.80

-------------

-------------

112800 3639 6240 1950 0.65 0.75

157240 5241 9780 2090 0.94 1.05

214900 6932 9550 3400 1.24 1.43

168060 5421 7930 3210 0.97 1.12

61370 2046 3970 1130 0.37 0.41

4098 7239 1989 1486 2002

3852 6608 1974 1456 2002

3304 6908 1979 1413 2002

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1968 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

3035 7683 1980 1464 2003

3842 9274 1978 1431 2002

4872 7753 2005 848 2002

6326 8760 1980 2123 2001

6069 9155 1972 2202 2001

5204 8476 1980 2825 2002

5144 9550 1980 2344 1985

4626 9104 1975 1440 1986

4695 9698 1973 1350 1988

138

SANTEE RIVER BASIN 02148315 WATEREE RIVER BELOW EASTOVER, SC--Continued SUMMARY STATISTICS

FOR 2004 CALENDAR YEAR

FOR 2005 WATER YEAR

LOWEST ANNUAL MEAN MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE

WATER YEARS 1968 - 2005

1130 Sep 27 Unknown a Apr 4 15.12 a Apr 4

a

Also occurred Apr. 2

e

Estimated

549 Unknown 17.98

Oct 22 1986 Oct 6 1989 Oct 6 1989

10,000 Gap indicates missing record

DISCHARGE, IN CUBIC FEET PER SECOND

5000

2000

1000

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

139

SANTEE RIVER BASIN 02148315 WATEREE RIVER BELOW EASTOVER, SC--Continued WATER-QUALITY RECORDS PERIOD OF RECORD.--Water years 1971 to current year. PERIOD OF DAILY RECORD.-SPECIFIC CONDUCTANCE: October 1970 to current year. pH: February 1971 to current year. WATER TEMPERATURE: October 1970 to current year. DISSOLVED OXYGEN: October 1970 to current year. INSTRUMENTATION.--Water-quality multiprobe and data collection platform.

REMARKS.--Specific conductance records rated excellent except for Oct. 28, 29, Feb. 17, Mar. 25-29, which are good. pH records rated excellent except for Feb. 18 to Sep. 30, which are good. Temperature records rated excellent. Dissolved oxygen records rated excellent except for Oct. 9-15, Nov. 21-30, Dec. 17-23, Jan. 8-18, Mar. 9-24, Apr. 17-21, Aug. 5-11, which are good, Oct. 16-21, Jan. 19, 20, Mar. 25-29, which are fair, and Oct. 22-27, which are poor. EXTREMES FOR PERIOD OF DAILY RECORD.-SPECIFIC CONDUCTANCE: Maximum, 590 microsiemens, Sep. 15, 2002; minimum, 40 microsiemens, Sep. 1, 1984. pH: Maximum, 8.5 units, Aug. 26, 1980; minimum, 5.2 units, Jun. 2, 1995. WATER TEMPERATURE: Maximum, 33.0°C, Jul. 19, 20, 1986; minimum, 1.0°C, Jan. 22, 1985. DISSOLVED OXYGEN: Maximum, 13.6 mg/L, Jan. 4, 5, 2001; minimum, 2.1 mg/L, Aug. 27, 1984. EXTREMES FOR CURRENT YEAR.-SPECIFIC CONDUCTANCE: Maximum, 187 microsiemens, Sep. 24, 28; minimum, 84 microsiemens, Oct. 1. pH: Maximum, 7.4 units, Mar. 10, 11; minimum, 6.4 units, Oct. 5, 6, Apr. 5-7, 18, 19. WATER TEMPERATURE: Maximum, 32.2, July 27; minimum, 6.7°C, Jan. 29, 30. DISSOLVED OXYGEN: Maximum, 13.3 mg/L, Mar. 5, 6, 10, 11; minimum, 5.2 mg/L, July 9, 12. Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

MEAN

MAX

OCTOBER

MIN

MEAN

MAX

NOVEMBER

MIN

MEAN

MAX

DECEMBER

MIN

MEAN

JANUARY

1 2 3 4 5

--96 98 98 100

84 86 96 97 97

--93 97 97 98

138 126 120 126 134

126 114 116 120 126

134 119 118 125 131

135 135 135 135 133

132 133 132 131 132

134 134 134 133 133

111 109 108 110 113

109 108 104 107 110

110 108 106 108 111

6 7 8 9 10

108 111 109 112 120

100 107 108 106 112

105 109 109 108 117

134 123 125 127 129

123 119 120 125 126

127 121 122 126 127

141 145 140 140 140

132 139 137 137 137

136 142 138 139 138

114 113 112 114 123

113 112 110 110 114

113 113 111 111 120

11 12 13 14 15

121 106 109 111 109

106 102 105 105 107

112 104 108 107 108

127 128 128 129 130

123 125 121 122 125

124 126 124 125 128

138 136 134 133 133

135 134 133 128 128

136 135 134 132 131

120 113 113 110 109

111 96 110 108 104

114 110 111 109 106

16 17 18 19 20

110 106 112 136 149

102 103 105 109 134

104 105 108 122 141

125 125 130 135 133

121 105 125 129 128

122 119 128 132 130

132 131 130 128 127

120 130 128 127 126

130 131 129 128 126

104 102 103 107 108

101 98 98 103 106

102 101 100 105 107

21 22 23 24 25

136 120 117 119 123

116 116 113 117 118

122 118 115 118 120

130 134 134 136 134

128 130 132 133 128

129 132 134 134 131

126 125 125 126 125

124 124 124 125 119

125 125 125 126 121

107 109 112 117 118

107 107 107 112 117

107 108 109 116 117

26 27 28 29 30 31

121 115 120 125 136 139

101 100 115 119 125 134

114 113 118 123 130 137

132 132 127 126 134 ---

121 127 124 125 125 ---

131 129 125 126 129 ---

120 107 102 110 111 111

107 102 101 101 110 110

113 105 102 106 110 110

122 132 132 128 120 123

118 122 127 119 119 119

119 127 131 123 120 121

MONTH

---

84

---

138

105

127

145

101

127

132

96

112

140

SANTEE RIVER BASIN 02148315 WATEREE RIVER BELOW EASTOVER, SC--Continued Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

123 122 124 132 130

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

MIN

120 118 121 124 112

122 120 122 130 120

124 122 131 133 135

119 110 122 128 130

122 118 126 131 132

128 126 125 125 124

126 125 125 123 119

127 125 125 124 122

120 127 128 126 130

117 120 123 123 126

118 123 126 124 129

116 118 120 129 129

112 97 115 120 119

114 112 117 123 123

137 141 142 142 140

134 136 139 138 137

135 138 140 140 138

122 126 126 124 120

118 122 124 120 119

119 124 126 122 120

132 136 138 141 142

130 131 136 137 138

131 134 137 139 140

11 12 13 14 15

119 118 121 134 122

117 114 116 121 98

118 116 118 126 111

140 146 152 157 158

136 139 145 152 152

139 142 148 154 155

120 122 121 118 111

119 120 118 110 105

120 121 120 115 108

138 135 127 135 138

134 127 124 126 135

135 130 125 130 137

16 17 18 19 20

100 101 102 104 104

97 98 99 99 99

98 99 100 102 102

157 150 147 144 136

148 145 144 135 133

153 147 145 139 135

109 110 112 117 117

105 109 109 112 104

107 109 110 114 114

140 135 133 139 ---

133 133 129 132 ---

136 134 131 134 ---

21 22 23 24 25

142 148 138 123 120

104 138 123 112 116

121 144 130 116 118

144 144 144 141 137

135 142 140 126 133

140 143 141 137 135

118 121 121 120 126

115 116 119 117 120

116 118 120 119 123

145 ------138

139 ------108

143 ------131

26 27 28 29 30 31

118 124 124 -------

114 118 122 -------

116 121 123 -------

136 136 136 134 128 127

134 135 134 125 125 126

135 136 135 131 127 126

126 125 124 124 121 ---

124 121 122 120 118 ---

125 123 123 121 119 ---

143 147 159 174 176 173

138 143 147 159 170 168

141 146 153 166 173 170

MONTH

148

97

117

158

110

138

128

104

119

---

---

---

Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN

MEAN

FEBRUARY

DAY

MIN MARCH

JUNE

MIN APRIL

JULY

MEAN

MAY

AUGUST

SEPTEMBER

1 2 3 4 5

171 167 135 128 129

165 132 124 124 125

168 150 130 125 127

124 120 121 120 122

116 116 119 117 118

121 119 120 118 119

120 99 111 111 112

97 97 95 108 111

103 98 103 110 111

136 138 141 138 139

130 133 136 131 133

133 134 138 134 136

6 7 8 9 10

128 137 135 137 129

121 127 129 117 117

124 132 132 131 125

124 126 127 132 132

122 121 124 120 130

123 123 126 125 131

117 125 128 136 134

112 117 123 128 129

115 121 125 131 131

152 156 150 150 162

139 150 140 140 150

147 153 146 145 157

11 12 13 14 15

128 129 130 131 129

126 125 125 127 126

127 128 128 130 127

136 137 134 132 ---

129 134 132 129 ---

132 135 133 130 ---

133 ----117 124

120 ----115 117

127 ----116 121

163 164 166 165 156

157 157 161 156 148

160 160 162 161 152

16 17 18 19 20

128 133 132 139 145

126 127 129 132 120

127 129 129 136 139

--------123

--------120

--------121

128 121 117 117 115

117 114 115 113 111

123 117 115 115 112

159 162 154 169 175

146 113 113 113 168

156 141 143 153 170

21 22 23 24 25

153 165 168 147 150

144 152 147 140 142

150 159 161 142 145

125 128 131 135 134

122 124 127 131 108

123 126 129 133 129

113 114 115 120 124

111 111 112 114 105

112 112 114 116 118

172 177 184 187 177

163 170 171 173 172

167 173 176 179 174

26 27 28 29 30 31

158 158 160 148 128 ---

150 154 148 121 123 ---

155 155 156 134 125 ---

128 128 125 105 135 135

123 123 104 101 101 119

125 125 114 103 118 129

120 120 121 125 124 130

117 118 120 121 122 124

118 119 120 122 123 126

181 185 187 179 167 ---

176 180 173 120 162 ---

179 183 184 159 165 ---

MONTH

171

117

138

---

---

---

---

---

---

187

113

157

141

SANTEE RIVER BASIN 02148315 WATEREE RIVER BELOW EASTOVER, SC--Continued pH, water, unfiltered, field, standard units WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

1 2 3 4 5

--6.6 6.6 6.6 6.5

--6.6 6.6 6.5 6.4

6.8 6.9 6.9 6.9 6.9

6.8 6.8 6.9 6.9 6.8

7.0 7.0 7.1 7.0 7.0

7.0 7.0 7.0 7.0 7.0

7.1 7.1 7.0 7.0 7.0

7.1 7.0 7.0 7.0 6.9

7.0 7.0 7.0 6.9 7.0

6.9 6.9 6.9 6.8 6.7

7.0 7.1 7.2 7.3 7.3

6.9 7.0 7.1 7.2 7.2

6 7 8 9 10

6.5 6.7 6.7 6.7 6.7

6.4 6.5 6.7 6.7 6.7

6.9 7.0 7.0 6.9 6.9

6.8 6.9 6.9 6.9 6.9

7.0 6.9 7.0 7.0 7.1

6.9 6.9 6.9 7.0 7.0

7.0 7.0 7.1 7.1 7.0

6.9 7.0 7.0 7.0 6.8

7.1 7.0 7.0 7.0 6.9

7.0 7.0 6.9 6.8 6.8

7.3 7.2 7.3 7.2 7.4

7.2 7.2 7.2 7.2 7.2

11 12 13 14 15

6.8 6.8 6.8 6.9 6.9

6.7 6.8 6.8 6.8 6.8

6.9 6.9 7.0 7.0 7.0

6.9 6.9 6.9 7.0 6.9

7.1 7.1 7.1 7.1 7.0

7.0 7.0 7.0 6.9 6.9

7.1 7.0 7.1 7.1 7.1

6.8 7.0 7.0 7.0 7.0

7.0 7.0 7.0 6.9 6.8

6.9 6.9 6.9 6.7 6.7

7.4 7.3 7.2 7.2 7.0

7.3 7.2 7.2 6.9 6.9

16 17 18 19 20

6.9 6.9 6.9 6.9 6.8

6.8 6.8 6.8 6.8 6.8

7.1 7.1 7.0 7.0 7.1

7.0 7.0 7.0 7.0 7.0

7.1 7.1 7.1 7.1 7.1

7.0 7.1 7.1 7.1 7.1

7.1 7.1 7.0 7.0 7.0

7.1 6.9 6.9 7.0 6.9

6.8 6.9 6.8 6.8 6.8

6.8 6.8 6.7 6.7 6.7

7.1 7.2 7.2 7.2 7.1

6.9 7.1 7.1 7.1 7.0

21 22 23 24 25

7.0 7.0 7.0 7.0 7.0

6.8 6.9 7.0 7.0 7.0

7.1 7.1 7.1 7.1 7.0

7.0 7.1 7.1 7.0 7.0

7.1 7.1 7.1 7.0 7.1

7.0 7.0 7.0 7.0 7.0

7.1 7.1 7.0 6.9 7.0

7.0 7.0 6.9 6.9 6.9

6.9 6.9 7.0 7.0 7.0

6.7 6.8 6.7 6.9 6.9

7.0 7.0 7.1 7.1 7.1

7.0 7.0 7.0 7.1 7.0

26 27 28 29 30 31

7.0 7.0 7.0 6.9 6.8 6.8

7.0 7.0 6.9 6.8 6.8 6.8

7.1 7.1 7.1 7.1 7.1 ---

7.0 7.0 7.1 7.0 7.0 ---

7.1 7.1 7.1 7.0 7.0 7.1

7.1 7.0 7.0 7.0 7.0 7.0

7.0 6.9 6.8 7.0 7.0 7.0

6.9 6.8 6.8 6.8 7.0 6.9

7.0 7.1 7.0 -------

6.9 7.0 7.0 -------

7.1 7.1 7.0 7.0 6.9 6.9

7.0 7.0 7.0 6.8 6.8 6.8

MONTH

---

---

7.1

6.8

7.1

6.9

7.1

6.8

7.1

6.7

7.4

6.8

DAY

MAX

MIN

MAX

MAX

MIN

MAX

MIN

OCTOBER

MAX

MIN

NOVEMBER

APRIL

MAX

MIN

DECEMBER

MAX

MIN

JANUARY

pH, water, unfiltered, field, standard units MIN MAX MIN MAX MIN MAY

JUNE

JULY

MAX

MIN

FEBRUARY

AUGUST

MAX

MIN

MARCH

SEPTEMBER

1 2 3 4 5

6.8 6.7 6.7 6.6 6.6

6.7 6.7 6.6 6.6 6.4

6.8 6.8 6.7 6.8 6.8

6.8 6.7 6.7 6.7 6.7

6.9 6.9 6.9 6.9 6.9

6.9 6.9 6.8 6.8 6.8

6.7 6.7 6.7 6.7 6.7

6.6 6.7 6.7 6.7 6.7

6.8 6.8 6.8 6.8 6.8

6.7 6.7 6.7 6.8 6.8

6.7 6.7 6.7 6.8 6.8

6.6 6.6 6.6 6.7 6.8

6 7 8 9 10

6.4 6.5 6.6 6.6 6.6

6.4 6.4 6.5 6.6 6.6

6.8 6.8 6.7 6.7 6.8

6.7 6.7 6.7 6.7 6.7

6.8 6.8 6.8 6.7 6.8

6.8 6.8 6.6 6.6 6.6

6.7 6.8 6.8 6.8 6.9

6.7 6.7 6.7 6.7 6.8

6.8 6.8 6.8 6.8 6.8

6.8 6.8 6.8 6.8 6.8

6.8 6.8 6.8 6.9 6.8

6.7 6.7 6.8 6.8 6.7

11 12 13 14 15

6.6 6.6 6.6 6.6 6.6

6.5 6.5 6.6 6.6 6.5

6.9 6.9 6.9 6.9 6.9

6.8 6.8 6.9 6.9 6.8

6.8 6.8 6.8 6.9 6.9

6.8 6.8 6.8 6.8 6.9

6.8 7.0 6.8 6.8 ---

6.8 6.8 6.8 6.8 ---

6.8 ----6.7 6.7

6.6 ----6.7 6.7

6.8 6.9 6.9 6.9 7.0

6.8 6.8 6.8 6.8 6.9

16 17 18 19 20

6.6 6.6 6.6 6.5 6.6

6.5 6.5 6.4 6.4 6.5

6.9 7.0 7.0 7.0 6.9

6.8 6.9 6.9 6.9 6.8

7.0 7.0 7.0 7.0 7.1

6.9 6.9 6.9 6.9 7.0

--------6.8

--------6.8

6.7 6.7 6.7 6.7 6.7

6.6 6.7 6.7 6.7 6.6

7.0 7.0 7.0 6.9 7.0

6.8 6.8 6.8 6.7 6.8

21 22 23 24 25

6.8 6.7 6.7 6.7 6.7

6.6 6.6 6.6 6.6 6.6

6.9 6.9 6.9 6.9 6.9

6.8 6.9 6.8 6.8 6.8

7.1 6.8 6.8 6.9 6.8

6.8 6.8 6.8 6.8 6.8

6.8 6.9 6.8 6.8 6.9

6.8 6.8 6.8 6.8 6.8

6.7 6.7 6.7 6.7 6.7

6.6 6.6 6.6 6.6 6.6

6.8 6.8 6.9 6.9 7.0

6.8 6.7 6.8 6.8 6.9

26 27 28 29 30 31

6.7 6.7 6.8 6.8 6.8 ---

6.6 6.6 6.7 6.7 6.7 ---

7.0 6.9 6.9 6.8 6.8 6.9

6.9 6.9 6.8 6.8 6.8 6.8

6.9 6.9 6.9 6.9 6.7 ---

6.8 6.8 6.8 6.7 6.6 ---

6.9 6.9 6.9 6.8 6.8 6.8

6.8 6.8 6.8 6.8 6.7 6.7

6.7 6.7 6.7 6.7 6.7 6.7

6.6 6.6 6.6 6.6 6.6 6.6

7.0 7.0 7.0 7.0 7.0 ---

6.9 6.8 6.9 6.9 6.9 ---

MONTH

6.8

6.4

7.0

6.7

7.1

6.6

---

---

---

---

7.0

6.6

142

SANTEE RIVER BASIN 02148315 WATEREE RIVER BELOW EASTOVER, SC--Continued Temperature, water, degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

--24.4 24.5 24.3 24.1

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

--24.1 24.2 23.9 23.7

--24.3 24.4 24.1 23.9

21.9 21.9 21.8 21.7 21.3

20.9 21.4 21.4 21.3 20.2

21.4 21.5 21.6 21.5 20.7

14.6 14.3 14.0 13.7 13.7

13.9 13.8 13.4 13.2 13.2

14.3 14.1 13.7 13.4 13.4

8.2 8.2 8.5 9.1 9.9

7.9 7.9 8.2 8.5 9.1

8.1 8.1 8.3 8.9 9.5

23.7 23.4 23.0 22.9 23.0

23.2 22.7 22.4 22.4 22.3

23.5 23.1 22.7 22.7 22.7

20.2 19.1 19.1 18.7 17.9

18.7 18.5 18.0 17.9 16.7

19.4 18.8 18.6 18.1 17.3

13.3 14.2 14.6 14.5 14.8

13.1 13.0 13.9 14.3 14.3

13.2 13.5 14.3 14.4 14.5

10.0 10.3 10.4 10.9 11.6

9.4 9.6 10.1 10.2 10.8

9.7 10.0 10.3 10.6 11.1

11 12 13 14 15

23.5 23.4 23.8 23.3 22.9

22.5 23.1 23.1 22.9 21.9

23.1 23.3 23.4 23.0 22.6

17.2 17.6 17.8 17.6 16.4

16.3 16.7 17.1 16.4 15.2

16.8 17.2 17.5 17.1 15.6

14.4 13.7 13.3 13.1 12.0

13.7 13.0 13.1 12.0 11.1

14.1 13.2 13.2 12.6 11.6

11.5 10.9 11.6 12.1 11.6

10.7 10.5 10.7 11.6 10.4

11.0 10.7 11.2 11.9 11.2

16 17 18 19 20

22.0 22.0 21.9 22.3 22.8

21.4 21.4 21.0 21.6 21.9

21.8 21.6 21.5 21.9 22.3

15.8 16.1 15.8 16.6 17.0

14.6 15.2 15.2 15.4 15.9

15.2 15.7 15.5 16.0 16.5

11.1 10.8 11.1 11.1 10.8

10.6 10.6 10.8 10.8 9.9

10.9 10.7 11.0 10.9 10.2

11.0 10.9 10.0 8.8 8.7

10.4 10.0 8.8 8.3 8.3

10.8 10.5 9.4 8.6 8.5

21 22 23 24 25

22.4 21.5 21.1 20.6 20.8

21.5 21.1 20.6 20.3 19.9

21.9 21.3 20.9 20.4 20.4

17.0 17.2 17.3 17.1 17.0

16.8 16.8 16.9 16.7 15.9

16.9 17.0 17.0 16.9 16.6

9.9 9.8 10.2 10.3 9.8

9.0 8.9 9.8 9.8 8.7

9.5 9.3 10.1 10.1 9.2

9.9 9.9 9.5 8.3 8.0

8.7 9.5 8.3 7.6 7.4

9.5 9.6 8.9 7.9 7.7

26 27 28 29 30 31

20.6 20.8 20.6 20.6 20.6 21.3

19.9 20.3 20.3 20.2 20.1 20.3

20.3 20.6 20.5 20.4 20.4 20.8

15.9 14.5 14.3 14.6 14.2 ---

14.5 13.7 13.6 14.2 13.9 ---

15.2 14.0 14.0 14.4 14.0 ---

8.8 8.3 7.6 7.6 7.8 8.1

8.3 7.6 7.3 7.3 7.2 7.8

8.4 8.0 7.5 7.4 7.5 8.0

8.8 9.5 9.3 8.3 7.2 7.6

7.5 8.5 8.3 6.7 6.7 6.8

8.3 9.0 8.7 7.3 7.0 7.2

MONTH

---

---

---

21.9

13.6

17.3

14.8

7.2

11.4

12.1

6.7

9.3

DAY

MAX

MIN

MEAN

Temperature, water, degrees Celsius MAX MIN MEAN MAX MIN

MEAN

MAX

MIN

MEAN

OCTOBER

MIN NOVEMBER

FEBRUARY

MIN DECEMBER

MARCH

MIN

MEAN

JANUARY

APRIL

MAY

1 2 3 4 5

8.0 7.8 7.4 8.0 8.0

7.4 7.4 7.2 7.0 7.4

7.7 7.6 7.3 7.5 7.8

9.6 9.2 9.3 9.5 10.1

8.9 8.8 8.8 9.0 9.4

9.2 9.0 9.1 9.3 9.7

14.6 15.0 15.0 15.8 16.2

14.2 14.6 14.4 14.8 15.6

14.4 14.8 14.7 15.3 15.9

18.7 19.5 20.0 20.0 19.4

18.2 18.2 18.6 18.8 18.9

18.5 18.8 19.3 19.4 19.2

6 7 8 9 10

7.7 8.5 8.9 9.7 9.9

7.3 7.3 7.7 8.5 9.5

7.5 7.9 8.3 9.0 9.8

10.8 11.6 12.2 11.6 10.7

10.1 10.2 11.1 10.7 10.3

10.4 10.9 11.6 11.2 10.5

17.4 17.5 16.8 16.4 17.0

16.2 16.5 16.0 16.1 16.2

16.8 17.1 16.3 16.2 16.6

19.0 19.2 20.7 22.1 22.5

17.8 17.6 18.5 19.9 20.9

18.5 18.5 19.5 20.9 21.8

11 12 13 14 15

9.8 8.6 8.7 9.4 10.5

8.2 8.0 7.8 8.2 9.4

8.7 8.3 8.2 8.6 10.0

10.8 11.3 12.2 12.9 13.3

10.4 10.5 10.8 12.1 12.3

10.6 10.8 11.6 12.5 12.8

17.7 17.7 17.5 16.2 16.6

17.0 17.2 16.2 15.7 15.8

17.3 17.4 16.9 15.9 16.2

22.6 22.4 22.2 22.8 22.8

21.2 20.8 21.4 21.7 21.6

22.0 21.5 21.9 22.2 22.2

16 17 18 19 20

10.9 10.9 10.6 10.2 9.9

10.0 10.3 9.8 9.2 9.2

10.4 10.6 10.2 9.8 9.4

12.3 11.2 10.8 11.1 11.7

11.1 10.1 10.1 10.5 11.1

11.7 10.8 10.4 10.8 11.4

16.7 16.9 17.2 18.3 18.6

16.1 16.2 16.6 17.0 17.8

16.4 16.6 16.9 17.7 18.2

22.5 22.4 22.5 23.1 22.6

21.5 21.3 21.5 21.3 21.8

21.9 21.8 21.9 22.2 22.2

21 22 23 24 25

10.3 11.8 12.1 11.6 11.0

9.7 10.3 11.4 10.8 10.4

9.9 11.0 11.7 11.2 10.7

12.4 13.2 12.9 13.2 13.8

11.7 12.1 12.6 12.4 12.7

12.0 12.6 12.7 12.8 13.2

18.4 19.6 20.0 18.8 17.9

17.8 18.3 18.8 17.0 16.7

18.1 18.9 19.3 17.9 17.3

22.0 21.3 22.7 23.3 23.1

20.6 20.0 20.7 21.7 21.7

21.2 20.7 21.7 22.6 22.4

26 27 28 29 30 31

10.6 10.2 9.8 -------

9.5 9.6 9.4 -------

10.0 10.0 9.6 -------

14.8 14.5 14.2 13.5 14.7 14.7

13.8 13.8 13.3 12.8 13.2 14.5

14.4 14.2 13.8 13.2 13.8 14.6

18.1 19.1 18.9 19.1 19.1 ---

17.1 17.5 17.5 18.3 18.2 ---

17.6 18.2 18.2 18.7 18.6 ---

23.0 23.4 24.0 24.7 24.2 22.8

21.2 21.5 22.7 23.6 22.8 21.7

22.1 22.5 23.4 24.1 23.4 22.2

MONTH

12.1

7.0

9.2

14.8

8.8

11.7

20.0

14.2

17.0

24.7

17.6

21.3

143

SANTEE RIVER BASIN 02148315 WATEREE RIVER BELOW EASTOVER, SC--Continued Temperature, water, degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

MEAN

MAX

1 2 3 4 5

21.7 21.4 22.1 23.0 23.9

20.7 20.5 21.2 21.8 22.9

MEAN

MAX

6 7 8 9 10

MEAN

MAX

21.3 20.9 21.7 22.5 23.4

28.2 28.2 27.9 27.6 28.0

26.8 27.6 27.2 27.2 27.4

27.5 28.0 27.6 27.4 27.7

29.0 29.5 30.1 30.4 30.7

28.4 28.5 29.1 29.9 30.1

28.8 29.0 29.6 30.1 30.4

30.2 30.1 29.6 29.5 29.0

29.2 29.1 28.6 28.3 27.9

29.7 29.6 29.2 29.0 28.5

24.6 25.3 25.8 25.1 24.4

23.7 24.5 24.5 24.1 23.8

24.1 24.9 25.1 24.6 24.1

28.5 28.9 29.0 28.9 29.0

27.8 28.2 28.4 28.2 28.6

28.2 28.5 28.7 28.5 28.8

30.5 29.7 29.4 29.3 29.6

29.5 28.8 28.7 28.0 28.4

30.1 29.3 29.1 28.7 29.1

28.2 26.9 27.4 27.6 27.4

26.9 26.2 26.0 26.4 26.2

27.3 26.6 26.7 27.1 26.8

11 12 13 14 15

23.8 23.9 24.6 25.4 25.8

23.1 23.5 23.7 24.1 25.0

23.4 23.7 24.1 24.8 25.4

29.1 29.4 29.3 29.2 ---

28.6 28.7 29.0 28.7 ---

28.7 29.1 29.2 28.9 ---

29.6 ----30.4 30.8

28.6 ----29.7 29.4

29.1 ----30.0 30.1

26.8 26.4 26.8 26.7 27.8

25.8 25.6 25.7 26.1 26.3

26.3 26.1 26.2 26.4 27.0

16 17 18 19 20

26.6 26.6 27.0 27.0 26.7

25.7 26.0 26.1 25.6 25.4

26.1 26.3 26.5 26.3 26.1

--------30.3

--------29.6

--------30.0

31.2 31.0 30.3 30.4 30.5

29.8 30.0 29.9 29.6 29.9

30.5 30.5 30.1 29.9 30.2

28.1 28.6 28.8 29.0 29.2

27.0 27.2 27.6 27.8 28.0

27.6 27.9 28.4 28.4 28.5

21 22 23 24 25

26.3 27.0 27.4 27.6 27.2

25.1 25.3 26.0 26.6 26.7

25.7 26.2 26.7 27.2 27.0

30.1 30.5 30.4 30.9 31.0

29.8 29.6 29.5 29.7 29.8

30.0 30.0 29.9 30.3 30.4

30.8 30.8 30.1 29.7 29.6

30.4 30.1 29.6 29.1 28.9

30.6 30.5 29.9 29.5 29.2

29.0 28.9 28.5 28.4 27.9

27.9 27.8 27.3 27.2 27.1

28.5 28.3 28.0 27.8 27.4

26 27 28 29 30 31

26.7 26.8 27.2 26.8 27.0 ---

26.1 25.9 26.5 26.0 25.9 ---

26.4 26.4 26.9 26.4 26.5 ---

31.2 32.2 31.8 31.1 30.5 29.8

30.2 30.4 31.1 30.5 29.8 28.4

30.7 31.3 31.5 30.8 30.1 29.0

29.3 29.5 29.8 30.0 30.0 30.0

29.1 29.1 29.4 29.5 29.8 29.6

29.2 29.3 29.6 29.7 29.9 29.8

27.6 27.6 27.3 27.2 26.8 ---

26.7 26.7 26.5 26.0 25.7 ---

27.2 27.2 26.9 26.6 26.1 ---

MONTH

27.6

20.5

25.0

---

---

---

---

---

---

30.2

25.6

27.6

JUNE

MIN JULY

MIN AUGUST

MIN

MEAN

SEPTEMBER

144

SANTEE RIVER BASIN 02148315 WATEREE RIVER BELOW EASTOVER, SC--Continued

Dissolved oxygen, water, unfiltered, milligrams per liter WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

MEAN

MAX

OCTOBER

MIN

MEAN

MAX

NOVEMBER

MIN

MEAN

MAX

DECEMBER

MIN

MEAN

JANUARY

1 2 3 4 5

--6.7 6.7 6.4 5.6

--6.6 6.4 5.5 5.4

--6.6 6.6 6.0 5.6

7.5 7.4 7.4 7.6 7.7

7.4 7.2 7.2 7.3 7.5

7.4 7.3 7.3 7.4 7.6

9.2 9.1 9.5 9.3 9.2

9.0 8.9 9.0 9.2 9.1

9.1 9.0 9.2 9.2 9.1

11.6 11.6 11.4 11.4 11.1

11.5 11.4 11.2 11.1 10.8

11.5 11.5 11.3 11.3 10.9

6 7 8 9 10

6.0 7.0 7.2 7.3 7.2

5.6 6.0 7.0 7.2 7.1

5.7 6.6 7.1 7.3 7.2

8.1 8.3 8.5 8.5 8.7

7.7 8.1 8.2 8.2 8.4

7.9 8.2 8.3 8.3 8.6

9.2 9.1 9.3 9.1 9.4

9.1 9.0 9.1 9.0 9.0

9.1 9.1 9.2 9.1 9.2

10.9 11.1 11.2 11.2 10.6

10.7 10.9 10.9 10.6 10.0

10.8 11.0 11.1 10.9 10.2

11 12 13 14 15

7.6 7.5 7.5 7.7 7.4

7.2 7.3 7.3 7.3 7.3

7.4 7.4 7.4 7.5 7.4

8.8 8.7 8.6 8.6 9.2

8.7 8.5 8.4 8.4 8.6

8.8 8.6 8.5 8.5 8.9

9.3 9.3 9.4 9.5 9.9

9.0 9.2 9.3 9.2 9.3

9.1 9.3 9.4 9.4 9.6

10.9 10.8 10.9 10.6 10.5

9.9 10.5 10.5 10.3 10.1

10.5 10.7 10.7 10.5 10.2

16 17 18 19 20

7.9 7.7 7.8 7.7 7.5

7.4 7.6 7.6 7.3 7.1

7.7 7.6 7.7 7.5 7.2

9.3 9.2 9.1 9.2 9.1

8.7 9.0 8.9 8.9 8.9

9.2 9.1 9.0 9.0 9.1

10.3 10.5 10.4 10.2 10.4

9.8 10.3 10.1 10.1 10.2

10.1 10.4 10.3 10.2 10.3

10.6 10.6 10.5 10.8 10.9

10.5 10.1 10.1 10.4 10.5

10.6 10.4 10.3 10.6 10.7

21 22 23 24 25

7.9 7.9 8.1 7.9 7.9

7.5 7.8 7.8 7.9 7.7

7.7 7.8 7.9 7.9 7.9

9.1 8.9 9.1 8.8 8.7

8.8 8.7 8.7 8.6 8.4

8.9 8.8 8.9 8.7 8.6

10.4 10.6 10.7 10.1 10.7

10.3 10.4 10.1 9.9 9.9

10.4 10.5 10.4 10.0 10.3

10.6 10.3 10.2 10.6 10.9

10.3 10.1 10.1 10.2 10.6

10.4 10.2 10.1 10.4 10.7

26 27 28 29 30 31

7.7 7.7 ----7.4 7.5

7.5 7.5 ----7.3 7.4

7.7 7.6 ----7.3 7.4

8.7 9.2 9.4 9.1 9.3 ---

8.5 8.7 9.1 8.9 8.9 ---

8.7 9.0 9.2 9.0 9.1 ---

10.9 11.0 11.3 11.4 11.6 11.6

10.7 10.8 11.0 11.3 11.3 11.4

10.8 10.9 11.2 11.3 11.4 11.5

10.7 10.4 10.5 11.1 11.3 11.2

10.4 10.1 10.0 10.5 11.0 11.0

10.6 10.2 10.2 10.9 11.2 11.1

MONTH

---

---

---

9.4

7.2

8.5

11.6

8.9

9.9

11.6

9.9

10.7

DAY

MAX

MIN

MAX

MIN

MEAN

1 2 3 4 5

11.1 11.2 11.2 11.1 11.4

11.0 11.0 11.1 10.6 10.6

11.0 11.1 11.1 10.9 10.9

12.0 12.4 12.7 13.2 13.3

11.5 11.8 12.4 12.7 13.1

11.8 12.2 12.6 13.0 13.2

9.3 8.8 8.8 8.7 8.6

8.7 8.4 8.6 8.4 7.8

9.1 8.6 8.7 8.6 8.3

7.9 7.7 7.8 7.9 7.8

7.6 7.4 7.4 7.6 7.6

7.8 7.6 7.6 7.8 7.6

6 7 8 9 10

11.7 11.6 11.3 11.2 10.5

11.4 11.2 11.1 10.5 10.2

11.5 11.4 11.2 10.9 10.3

13.3 12.9 12.7 12.5 13.3

12.8 12.5 12.2 12.0 12.1

13.2 12.7 12.6 12.3 13.0

7.8 8.0 8.5 8.4 8.3

7.4 7.4 8.0 8.2 8.2

7.6 7.7 8.2 8.3 8.2

8.0 8.0 7.8 7.7 7.3

7.7 7.8 7.7 7.3 7.2

7.8 7.9 7.8 7.4 7.2

11 12 13 14 15

11.1 11.5 11.4 11.0 10.4

10.3 10.7 11.0 10.4 10.2

10.9 11.1 11.2 10.8 10.3

13.3 13.0 12.6 12.1 11.5

12.9 12.4 12.1 11.2 10.8

13.2 12.8 12.4 11.7 11.2

8.4 8.2 8.3 8.4 8.4

8.2 8.0 7.9 8.3 8.1

8.3 8.1 8.1 8.4 8.3

7.4 7.4 7.5 7.3 7.0

7.2 7.3 7.2 6.9 6.9

7.2 7.3 7.4 7.1 7.0

16 17 18 19 20

10.6 10.6 10.3 10.8 10.8

10.4 10.3 10.1 10.1 10.7

10.5 10.4 10.2 10.5 10.8

11.8 12.2 12.4 12.3 12.2

11.3 11.8 11.9 12.2 11.7

11.5 11.9 12.2 12.3 12.0

8.4 8.4 8.3 8.1 8.0

8.2 8.1 7.9 7.8 7.8

8.3 8.2 8.1 8.0 7.9

7.4 7.3 7.2 7.2 6.9

7.0 7.1 6.8 6.9 6.7

7.1 7.2 7.0 7.0 6.8

21 22 23 24 25

10.8 10.6 11.1 11.2 11.4

10.6 10.2 10.2 10.9 10.9

10.7 10.4 10.6 11.0 11.3

11.8 11.2 11.3 11.4 10.8

11.1 10.8 10.8 10.8 10.4

11.6 11.1 11.1 11.1 10.7

8.2 7.4 7.4 7.7 7.8

7.4 7.2 7.1 7.2 7.7

7.9 7.3 7.2 7.5 7.7

7.1 7.1 7.0 6.9 7.0

6.8 7.0 6.9 6.8 6.8

6.9 7.1 7.0 6.9 6.9

26 27 28 29 30 31

11.8 12.0 11.9 -------

11.2 11.8 11.6 -------

11.5 11.9 11.8 -------

10.8 10.3 9.8 9.4 9.7 9.7

9.9 9.7 9.4 8.8 9.2 9.3

10.6 10.0 9.7 9.2 9.4 9.4

7.7 7.7 7.8 7.9 7.9 ---

7.5 7.5 7.6 7.6 7.6 ---

7.6 7.6 7.7 7.7 7.7 ---

7.3 7.0 6.8 6.6 6.5 6.9

6.9 6.8 6.4 6.3 6.2 6.5

7.1 6.9 6.7 6.4 6.4 6.8

MONTH

12.0

10.1

10.9

13.3

8.8

11.7

9.3

7.1

8.0

8.0

6.2

7.2

Dissolved oxygen, water, unfiltered, milligrams per liter MEAN MAX MIN MEAN MAX MIN MEAN

FEBRUARY

MARCH

APRIL

MAY

145

SANTEE RIVER BASIN 02148315 WATEREE RIVER BELOW EASTOVER, SC--Continued Dissolved oxygen, water, unfiltered, milligrams per liter WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

7.1 7.2 7.0 6.3 6.3

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

6.9 7.0 6.3 6.2 6.2

7.0 7.1 6.6 6.2 6.2

5.9 6.0 5.9 6.0 5.9

5.7 5.6 5.6 5.6 5.5

5.8 5.8 5.8 5.8 5.7

6.1 6.0 6.1 6.1 5.9

5.8 5.6 5.6 5.8 5.7

5.9 5.8 5.9 5.9 5.8

6.0 6.1 6.6 6.6 6.4

5.4 5.8 5.9 6.1 6.1

5.7 6.0 6.2 6.3 6.2

6.2 6.1 6.2 6.6 6.5

5.9 5.9 6.0 6.2 6.2

6.1 6.0 6.1 6.4 6.4

5.7 5.7 5.6 5.8 6.0

5.5 5.4 5.3 5.2 5.8

5.6 5.5 5.4 5.4 5.9

5.9 6.2 6.2 6.3 6.2

5.7 5.7 6.0 6.0 6.0

5.8 6.0 6.1 6.1 6.1

6.7 6.9 6.9 7.0 7.2

6.2 6.3 6.6 6.6 6.5

6.4 6.6 6.7 6.7 6.8

11 12 13 14 15

6.5 6.5 6.5 6.3 6.4

6.4 6.2 6.2 6.2 6.2

6.4 6.3 6.3 6.2 6.3

5.9 5.7 5.7 5.8 ---

5.6 5.2 5.3 5.5 ---

5.7 5.5 5.5 5.6 ---

6.1 ----6.1 6.2

5.9 ----5.8 5.9

6.0 ----5.9 6.0

7.3 7.5 7.6 7.5 7.3

6.6 6.8 6.7 6.8 6.7

6.9 7.1 7.1 7.1 7.0

16 17 18 19 20

6.5 6.4 6.4 6.4 6.4

6.2 6.0 6.1 6.1 6.2

6.4 6.2 6.3 6.2 6.3

--------6.1

--------5.8

--------6.0

6.1 6.2 6.0 6.1 5.8

5.9 5.8 5.8 5.7 5.5

6.0 6.0 5.9 5.9 5.7

7.6 7.2 6.9 6.9 7.1

6.5 6.7 6.5 6.3 6.4

7.0 6.9 6.7 6.5 6.6

21 22 23 24 25

6.6 6.5 6.6 6.6 6.4

6.3 6.3 6.2 6.3 6.1

6.5 6.4 6.4 6.4 6.2

6.0 6.0 5.8 6.1 6.2

5.8 5.6 5.5 5.7 5.9

5.9 5.8 5.7 5.8 6.0

5.8 5.7 5.8 5.7 6.0

5.4 5.5 5.5 5.3 5.6

5.6 5.6 5.7 5.5 5.8

6.6 6.6 6.8 6.9 6.8

6.3 6.2 6.3 6.3 6.5

6.4 6.4 6.5 6.5 6.6

26 27 28 29 30 31

6.4 6.4 6.6 6.6 6.3 ---

6.1 6.3 6.1 6.3 5.6 ---

6.2 6.4 6.3 6.5 6.0 ---

6.0 6.0 5.9 5.8 5.9 6.3

5.8 5.7 5.7 5.6 5.8 5.9

5.9 5.9 5.8 5.7 5.8 6.1

5.9 5.6 5.7 5.7 5.6 5.6

5.5 5.5 5.5 5.4 5.4 5.4

5.7 5.6 5.6 5.6 5.5 5.5

7.0 7.0 7.2 7.2 7.2 ---

6.5 6.5 6.5 6.7 6.7 ---

6.7 6.7 6.8 6.9 6.9 ---

MONTH

7.2

5.6

6.3

---

---

---

---

---

---

7.6

5.4

6.6

JUNE

MIN JULY

MIN AUGUST

MIN

MEAN

SEPTEMBER

146

SANTEE RIVER BASIN 02153051 GASTON SHOALS RESERVOIR ABOVE BLACKSBURG, SC

LOCATION.--Lat 35°08'15'', long 81°35'53'', Cherokee County, Hydrologic Unit 03050105, attached to the rail on the face of the dam, approximately 100 ft left of the stairs, 5.0 mi northwest of Blacksburg and 5.0 mi northeast of Gaffney. DRAINAGE AREA.--1,280 mi2, approximately. PERIOD OF RECORD.--October 1997 to current year. GAGE.--Data collection platform. Datum of gage is 505.20 ft above NGVD of 1929 (from Duke Power Company). REMARKS.--Lake is formed by concrete dam with earth embankments at each end; dam completed 1908. Lake capacity is unknown. EXTREMES FOR PERIOD OF RECORD.--Maximum elevation, 103.94 ft Sep. 9, 2004; minimum elevation since normal reservoir levels were first reached, 90.42 ft, Oct. 18, 1999. EXTREMES FOR CURRENT YEAR.--Maximum elevation, 102.57 ft, July 8; minimum elevation, 91.38 ft, Jan. 12. Gage height, feet WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY OBSERVATION AT 2400 HOURS DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

95.79 95.70 95.61 95.15 95.37

94.16 94.51 94.36 97.72 95.56

95.55 95.51 95.55 95.36 95.17

94.99 94.98 95.04 95.10 94.10

97.44 97.41 97.69 97.60 97.24

100.47 99.79 99.99 99.83 99.81

97.43 97.37 97.04 96.98 97.03

99.93 99.43 98.62 99.97 99.97

99.87 100.36 100.03 99.68 99.93

99.22 99.00 99.14 100.36 100.19

96.78 95.99 96.29 95.35 96.41

99.82 99.58 99.86 99.58 99.00

6 7 8 9 10

95.37 95.31 95.31 95.32 95.23

95.19 94.42 93.91 94.54 95.20

95.22 95.68 95.37 96.73 97.90

93.53 95.70 95.62 95.46 95.23

96.75 97.53 97.83 100.22 99.89

98.37 98.94 100.06 99.30 98.70

96.88 96.84 97.26 97.09 95.86

99.65 99.84 99.57 100.06 92.62

99.88 99.30 99.02 99.59 99.55

99.02 102.43 99.74 97.56 97.03

96.86 96.67 97.36 95.32 95.92

99.75 99.05 99.76 99.69 99.83

11 12 13 14 15

95.21 95.11 95.29 95.29 95.29

95.40 96.17 95.92 95.37 95.19

96.60 95.93 95.74 95.56 95.77

94.41 95.04 93.01 97.13 95.66

99.35 98.76 93.97 99.89 99.83

99.59 99.72 98.36 99.39 99.28

96.59 99.45 100.59 100.80 100.49

99.85 99.68 99.83 99.67 99.78

100.01 99.68 100.34 100.26 100.18

96.85 97.13 97.48 97.29 97.70

95.64 94.84 94.67 94.99 93.48

99.61 99.70 99.84 99.83 100.01

16 17 18 19 20

95.12 94.88 94.88 95.23 95.21

94.95 94.00 95.43 95.54 95.45

95.66 95.74 95.54 95.31 95.14

93.49 94.87 97.66 97.07 97.34

98.79 99.01 98.85 99.22 98.70

99.98 100.08 99.84 99.72 98.91

100.18 100.31 100.23 100.15 95.77

99.56 99.87 99.71 98.73 99.69

99.24 100.21 100.17 100.16 100.09

97.00 96.73 97.00 96.71 96.61

95.30 93.72 97.08 97.14 96.16

99.84 99.86 99.02 99.35 99.75

21 22 23 24 25

94.94 94.95 95.10 94.92 95.11

95.42 95.06 95.23 95.52 96.07

95.60 95.43 97.13 96.41 96.03

97.34 97.22 97.07 95.04 94.36

98.75 99.89 99.46 99.73 99.71

99.06 99.37 100.30 100.11 99.97

99.75 100.13 100.18 100.31 99.94

99.79 99.49 99.42 99.83 100.01

99.97 98.73 99.27 99.56 99.90

96.34 96.18 96.37 96.00 95.68

95.85 95.76 95.35 95.54 99.30

100.02 99.06 99.77 99.91 99.65

26 27 28 29 30 31

95.10 95.02 95.27 95.25 95.20 94.86

95.65 95.52 95.53 95.47 95.35 ---

95.56 95.37 95.54 95.21 95.19 95.25

98.05 97.91 98.05 97.74 97.91 97.42

99.06 98.66 100.90 -------

99.54 97.97 101.63 99.38 98.10 97.67

100.00 93.10 100.09 99.75 99.85 ---

99.70 99.90 99.81 99.76 99.78 99.90

98.88 100.85 100.41 99.93 100.06 ---

96.03 95.92 96.60 97.07 96.53 96.62

99.45 99.72 99.69 99.67 99.18 99.75

99.85 99.74 99.22 99.66 99.44 ---

MEAN MAX MIN

95.21 95.79 94.86

95.26 97.72 93.91

95.73 97.90 95.14

95.92 98.05 93.01

98.65 100.90 93.97

99.46 101.63 97.67

98.58 100.80 93.10

99.47 100.06 92.62

99.84 100.85 98.73

97.53 102.43 95.68

96.62 99.75 93.48

99.64 100.02 99.00

147

SANTEE RIVER BASIN 02153200 BROAD RIVER NEAR BLACKSBURG, SC

LOCATION.--Lat 35°07'26'', long 81°35'17'', Cherokee County, Hydrologic Unit 03050105, at upstream side of bridge on SC Highway 18, 1.2 mi upstream of Buffalo Creek, 1.2 mi downstream of Gaston Shoals Reservoir, 3.2 mi west of Blacksburg, and at mile 275.2. DRAINAGE AREA.--1,290 mi2. PERIOD OF RECORD.--October 1997 to current year. GAGE.--Data collection platform and crest-stage gage. Elevation of gage is 550 ft above NGVD of 1929 (from topographic map). REMARKS.--Records good except for estimated daily discharges, which are poor. Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

3430 3130 2710 2230 2190

1310 1720 2300 8740 8290

2360 2440 2400 2330 1870

2690 1970 1900 2500 2720

2060 2110 2210 2420 2240

5250 3730 2710 2570 2730

3940 3670 3360 2850 3080

2460 2280 2310 2010 2070

1770 2830 2850 2340 1940

2580 2380 2120 3070 2820

2260 2010 1730 1550 1350

1280 1340 1130 909 934

6 7 8 9 10

2240 2200 2140 2140 1970

4390 3120 2400 2690 2380

1920 2610 2650 2590 e20700

2790 2390 2650 2040 1900

1820 1640 1920 2120 2620

2250 1880 2560 2630 2000

3020 2860 3070 3210 2950

2080 1940 1590 1670 2660

1610 2230 1900 2100 2210

4060 e9390 e23500 7340 4020

1550 1480 1860 3310 3660

835 1450 1030 1030 1120

11 12 13 14 15

1910 e1990 2000 2280 2110

2280 2680 4820 3100 2500

8060 4460 3360 3150 2850

2490 2310 2250 5280 4570

2360 2040 1990 963 1610

2340 2220 1940 1620 2260

2480 2790 3910 4900 4700

1500 1940 1620 1960 1620

2210 2310 2340 2770 2500

3290 3530 3980 4390 8820

2360 2050 1720 1740 1510

848 680 618 979 1080

16 17 18 19 20

2040 1550 1400 1790 2080

2360 2340 2210 2330 2340

3150 2680 2620 2420 2000

2900 2370 2660 2520 2330

1850 1990 1960 2060 1700

2230 2500 2460 2160 1930

3620 3100 2930 3020 3290

1630 1860 1840 1830 1990

2220 1670 1850 1700 1980

3940 3040 2690 2750 2480

1300 1510 1390 1980 1800

1140 1080 793 520 827

21 22 23 24 25

1850 1680 1880 1590 1640

2200 1850 2220 2420 3220

2320 2740 3380 6820 4420

2450 2660 1950 1990 2170

1830 2720 2330 2300 2310

1700 1880 2880 3070 2720

2260 2420 2390 2390 2510

2140 1840 1630 1740 1860

2070 1920 1360 1320 1460

2360 2260 2260 2140 1760

1140 1090 2220 1860 1270

1030 970 754 781 605

26 27 28 29 30 31

1820 1830 1780 1910 1880 1540

2950 2610 2650 2320 2370 ---

3460 2950 3080 3080 2830 2710

2000 2220 2260 2270 2140 2100

2320 2260 4270 -------

2470 2220 14300 10900 5600 4280

2540 2870 1540 2190 2400 ---

1520 1610 1640 1220 1160 1600

1250 1350 5410 3500 2770 ---

1860 1870 1810 2280 2310 2140

1340 1310 1470 1440 1440 1240

610 1060 913 856 915 ---

TOTAL MEAN MAX MIN CFSM IN.

62930 2030 3430 1400 1.57 1.81

89110 2970 8740 1310 2.30 2.57

114410 3691 20700 1870 2.86 3.30

77440 2498 5280 1900 1.94 2.23

60023 2144 4270 963 1.66 1.73

101990 3290 14300 1620 2.55 2.94

90260 3009 4900 1540 2.33 2.60

56820 1833 2660 1160 1.42 1.64

65740 2191 5410 1250 1.70 1.90

123240 3975 23500 1760 3.08 3.55

53940 1740 3660 1090 1.35 1.56

28117 937 1450 520 0.73 0.81

1640 4022 2003 465 2002

1670 3975 2005 308 2002

1248 4082 2003 181 2002

1520 5990 2004 503 2002

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1998 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

1180 2030 2005 531 2002

1451 2970 2005 567 2002

1863 3691 2005 816 2002

1964 4250 1998 930 2001

2220 4675 1998 973 2001

2477 4596 2003 960 2001

2520 5539 2003 1086 2002

1911 4956 2003 817 2001

148

SANTEE RIVER BASIN 02153200 BROAD RIVER NEAR BLACKSBURG, SC--Continued SUMMARY STATISTICS

FOR 2004 CALENDAR YEAR

ANNUAL TOTAL ANNUAL MEAN HIGHEST ANNUAL MEAN LOWEST ANNUAL MEAN HIGHEST DAILY MEAN LOWEST DAILY MEAN ANNUAL SEVEN-DAY MINIMUM MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE ANNUAL RUNOFF (CFSM) ANNUAL RUNOFF (INCHES) 10 PERCENT EXCEEDS 50 PERCENT EXCEEDS 90 PERCENT EXCEEDS e

FOR 2005 WATER YEAR

840711 2297 e

WATER YEARS 1998 - 2005

924020 2532

48000 692 910

Sep 9 Aug 16 Aug 5

e 23500 520 784 Unknown 16.65 1.96 26.65 3510 2220 1290

1.78 24.24 3260 1680 1010

Jul Sep Sep Dec Dec

1802 3197 744 e 48000 41 90 Unknown 21.92 1.40 18.98 3140 1390 503

8 19 19 10 10

2003 2002 Sep 9 2004 Aug 12 2002 Aug 9 2002 Sep 8 2004 Sep 8 2004

Estimated 100,000

50,000

DISCHARGE, IN CUBIC FEET PER SECOND

20,000

10,000

5000

2000

1000

500

200

100

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

149

SANTEE RIVER BASIN 02153550 NINETYNINE ISLAND RESERVOIR BELOW CHEROKEE FALLS, SC

LOCATION.--Lat 35°01'54'', long 81°29'37'', Cherokee County, Hydrologic Unit 03050105, attached to the rail on the face of the dam directly in front of the stairs, 5.0 mi southwest of Blacksburg and 5.0 mi east of Gaffney. DRAINAGE AREA.--1,550 mi2. PERIOD OF RECORD.--October 1998 to current year. GAGE.--Data collection platform. Datum of gage is 411.46 ft above NGVD of 1929 (from Duke Power Company benchmark). REMARKS.--Lake is formed by concrete dam with earth embankments at each end. Lake capacity is unknown. EXTREMES FOR PERIOD OF RECORD.--Maximum elevation, 107.29 ft Sep. 8, 2004; minimum elevation, 96.73 ft, Feb. 14, 2005. EXTREMES FOR CURRENT YEAR.--Maximum elevation, 105.48 ft, Dec. 10; minimum elevation, 96.73 ft, Feb. 14. Gage height, feet WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY OBSERVATION AT 2400 HOURS DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

100.11 100.01 99.59 99.09 98.77

99.26 98.45 99.52 102.60 101.03

99.84 99.82 99.85 99.60 98.86

99.62 99.03 99.02 99.57 99.76

99.26 99.17 99.45 99.48 99.30

101.37 100.95 100.70 100.66 100.68

101.15 101.11 100.89 100.78 100.90

100.57 100.37 100.48 100.41 100.34

100.68 100.91 100.69 100.56 100.15

100.63 100.60 100.51 101.01 100.74

100.62 100.46 100.32 100.28 100.01

99.96 100.05 99.19 99.37 98.95

6 7 8 9 10

98.73 99.77 99.21 99.24 99.33

100.48 99.85 100.00 100.26 99.83

99.21 100.14 99.83 100.42 103.48

99.80 99.44 99.68 99.11 98.95

98.80 98.52 99.48 97.96 99.53

100.49 100.41 100.82 100.60 100.46

100.81 100.78 100.92 100.90 100.89

100.41 100.32 100.00 100.25 100.93

100.03 100.55 100.49 100.77 100.64

100.86 104.22 103.11 101.39 101.00

100.29 100.11 100.59 100.99 100.71

100.02 100.56 100.31 100.30 100.43

11 12 13 14 15

98.66 98.79 98.87 99.05 99.13

100.06 100.48 100.80 100.28 100.09

101.38 100.59 100.36 100.20 99.99

99.72 99.20 99.59 101.21 100.34

99.09 98.85 99.41 99.49 99.93

100.65 100.49 100.45 100.06 100.58

100.61 100.92 101.35 101.62 101.28

100.34 100.31 100.11 100.41 100.15

100.64 100.58 100.73 100.69 100.60

100.84 101.00 101.19 101.08 101.61

100.62 100.47 100.31 100.41 100.01

99.93 99.29 99.51 100.19 99.44

16 17 18 19 20

99.37 98.61 98.93 98.92 99.06

99.61 99.61 99.52 100.02 99.92

100.18 99.96 99.85 99.65 99.20

99.92 99.29 99.36 99.37 99.50

100.48 100.52 100.51 100.50 100.05

100.60 100.67 100.57 100.28 100.35

100.98 100.85 100.85 100.78 101.20

100.14 100.22 100.15 100.21 100.54

100.44 100.33 100.34 100.26 100.49

100.96 100.80 100.78 100.67 100.62

99.58 100.32 100.48 100.48 100.31

98.90 99.58 98.49 98.57 100.02

21 22 23 24 25

98.95 99.36 99.92 98.84 99.48

99.87 99.32 99.91 100.13 100.53

99.84 99.59 100.83 100.82 100.45

99.48 99.60 99.06 99.32 99.48

100.57 100.74 100.60 100.67 100.60

99.97 100.43 100.97 100.81 100.72

100.55 100.63 100.56 100.62 100.55

100.33 100.08 99.98 100.34 100.27

100.46 100.27 100.18 100.16 100.20

100.57 100.49 100.54 100.40 100.21

99.28 99.05 100.72 100.28 99.09

99.49 98.63 99.35 99.44 99.33

26 27 28 29 30 31

99.05 99.18 99.48 99.40 99.45 98.82

100.20 100.09 100.20 99.86 99.74 ---

100.06 99.84 100.01 99.87 99.70 99.65

98.66 99.35 99.35 99.28 99.31 99.07

100.51 100.55 101.89 -------

100.61 100.68 104.20 102.07 101.48 101.28

100.68 100.99 100.26 100.49 100.52 ---

99.98 100.24 100.20 99.64 99.50 100.18

99.89 99.98 101.21 100.85 100.78 ---

100.36 100.29 100.25 100.59 100.03 100.65

100.22 100.23 100.28 100.39 100.22 100.29

99.10 99.88 99.09 99.05 99.93 ---

MEAN MAX MIN

99.20 100.11 98.61

100.05 102.60 98.45

100.10 103.48 98.86

99.47 101.21 98.66

99.85 101.89 97.96

100.81 104.20 99.97

100.85 101.62 100.26

100.24 100.93 99.50

100.48 101.21 99.89

100.90 104.22 100.03

100.24 100.99 99.05

99.55 100.56 98.49

150

SANTEE RIVER BASIN 02153551 BROAD RIVER BELOW CHEROKEE FALLS, SC

LOCATION.--Lat 35°01'52'', long 81°29'34'', Cherokee County, Hydrologic Unit 03050105, at left bank of tailrace below Ninetynine Island Reservoir, 3.1 mi downstream of Cherokee Falls, and 0.3 mi upstream of Kings Creek. DRAINAGE AREA.--1,550 mi2. PERIOD OF RECORD.--October 1998 to current. GAGE.--Data collection platform. Datum of gage is 412.20 ft above NGVD of 1929 (from Duke Power Company). REMARKS.--Records fair except for estimated daily discharges, which are poor. Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

e6530 e4710 3490 2980 2460

1290 1700 2000 e8400 e12500

2780 2870 2790 2780 2330

2780 2130 1950 2430 2760

2050 2150 2270 2530 2360

e6190 e4640 2880 2620 2740

5700 4290 3520 2720 2830

2360 2250 2160 2030 2010

1870 2950 3010 2490 2220

2760 2520 2330 3500 3280

2420 2240 1940 1810 1710

1670 1700 1680 1360 1420

6 7 8 9 10

2540 2140 2290 2210 2100

e6400 e4600 2990 2740 2700

2190 3190 3380 2830 e23800

2880 2520 2680 2190 1970

2010 1900 1770 2540 2470

2330 2040 2530 2710 2110

2870 2780 2930 3150 2870

2000 1900 1730 1730 2300

1820 2110 2050 2490 2800

e4200 e11500 e45300 e15600 e6000

1780 1790 1930 3780 e4200

1090 1590 1430 1370 1390

11 12 13 14 15

2070 1990 1970 2250 2090

2400 2730 e5500 e4500 2780

e16800 e9300 5870 4110 3110

2340 2450 2240 e5100 e5930

2580 2160 1950 1300 1790

2300 2280 2010 1900 2160

2490 2750 e4500 e6000 e5800

1910 1930 1780 1930 1790

2700 2650 2550 2980 2700

3580 3660 5390 e5540 e11100

2550 2280 1950 1930 1890

1340 1260 1010 1250 1560

16 17 18 19 20

2010 1680 1400 1680 1940

2790 2740 2590 2530 2620

3640 2810 2740 2580 2180

3880 2700 2830 2560 2280

1870 2060 2050 2070 1930

2310 2590 2550 2310 2040

4710 3040 2790 2900 3120

1760 1960 1930 1950 2100

2440 1940 2010 1940 2060

e5830 3190 2710 2780 2560

1750 1730 1820 2210 2060

1660 1400 1480 992 990

21 22 23 24 25

1840 1550 1590 1660 1500

2480 2190 2390 2700 4710

2210 2830 e3660 e7900 e6680

2470 2700 2070 1900 2090

1930 2780 2390 2380 2380

1990 1970 3320 3380 2810

2690 2320 2230 2230 2380

2340 2030 1880 1820 1910

2300 2180 1720 1710 1770

2470 2370 2330 2300 1980

1720 1570 2040 e2120 e1480

1440 1580 1110 1230 1140

26 27 28 29 30 31

1720 1700 1620 1750 1730 1600

4150 2890 2880 2660 2690 ---

5280 3130 3170 3360 2950 2770

2200 2100 2240 2290 2180 2220

2350 2300 e4090 -------

2590 2320 e14900 e20200 e8900 e6220

2350 2680 1970 1980 2270 ---

1790 1740 1820 1640 1520 1710

1710 1690 e6400 e4500 2910 ---

1980 2040 1910 2280 2620 2340

e1380 e1380 e1550 e1590 1770 1560

1130 1320 1530 1290 1280 ---

TOTAL MEAN MAX MIN CFSM IN.

68790 2219 6530 1400 1.43 1.65

106240 3541 12500 1290 2.28 2.55

146020 4710 23800 2180 3.04 3.50

81060 2615 5930 1900 1.69 1.95

62410 2229 4090 1300 1.44 1.50

121840 3930 20200 1900 2.54 2.92

94860 3162 6000 1970 2.04 2.28

59710 1926 2360 1520 1.24 1.43

74670 2489 6400 1690 1.61 1.79

167950 5418 45300 1910 3.50 4.03

61930 1998 4200 1380 1.29 1.49

40692 1356 1700 990 0.88 0.98

1966 5608 2003 560 2002

2108 5418 2005 377 2002

1439 4989 2003 242 2002

2063 8764 2004 505 2002

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1999 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

1145 2219 2005 574 2002

1603 3541 2005 630 2002

2153 4710 2005 843 2002

1663 2615 2005 865 2001

2021 3100 2004 985 2001

2772 6686 2003 1473 2002

2896 8738 2003 1104 2002

2164 7433 2003 793 2001

151

SANTEE RIVER BASIN 02153551 BROAD RIVER BELOW CHEROKEE FALLS, SC--Continued SUMMARY STATISTICS

FOR 2004 CALENDAR YEAR

ANNUAL TOTAL ANNUAL MEAN HIGHEST ANNUAL MEAN LOWEST ANNUAL MEAN HIGHEST DAILY MEAN LOWEST DAILY MEAN ANNUAL SEVEN-DAY MINIMUM MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE ANNUAL RUNOFF (CFSM) ANNUAL RUNOFF (INCHES) 10 PERCENT EXCEEDS 50 PERCENT EXCEEDS 90 PERCENT EXCEEDS e

FOR 2005 WATER YEAR

1049548 2868

WATER YEARS 1999 - 2005

1086172 2976

e 60000 605 990

Sep 9 Aug 18 Aug 4

e 45300 990 1210 Unknown 35.19 1.92 26.07 4540 2300 1580

1.85 25.19 4630 1800 1150

Jul Sep Sep Dec Dec

2116 4201 800 e 60000 138 168 Unknown 40.03 1.37 18.55 3540 1440 510

8 20 19 10 10

2003 2002 Sep 9 2004 Sep 14 2002 Sep 10 2002 Sep 9 2004 Sep 9 2004

Estimated 100,000

50,000

DISCHARGE, IN CUBIC FEET PER SECOND

20,000

10,000

5000

2000

1000

500

200

100

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

152

SANTEE RIVER BASIN 02154500 NORTH PACOLET RIVER AT FINGERVILLE, SC

LOCATION.--Lat 35 07'15'', long 81 59'10'', Spartanburg County, Hydrologic Unit 03050105, on right bank at McMillin Mill, about 400 ft downstream from Obed Creek, 1.4 mi south of Fingerville, and at mile 48.5. DRAINAGE AREA.--116 mi2 . PERIOD OF RECORD.--April 1930 to current year. Monthly discharge only for some periods, published in WSP-1303. GAGE.--Data collection platform. Datum of gage is 715.56 ft above NGVD of 1929. From November 26, 1929 to November 24, 1933, recording gage at site about 400 ft downstream at datum 5.60 ft higher. REMARKS.--Records good except for estimated daily discharges, which are poor. Some diurnal fluctuation at low and medium flow caused by mill above station. Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

313 281 265 249 227

138 137 215 740 593

244 238 207 195 188

228 224 219 216 213

210 198 249 252 219

359 270 239 227 219

352 333 307 281 272

e322 e206 e295 e290 e293

201 538 347 263 222

335 273 308 450 276

275 213 191 175 164

135 128 126 122 120

6 7 8 9 10

211 204 196 189 185

308 253 220 203 188

188 229 229 428 1950

212 210 220 215 202

206 199 195 194 190

209 203 214 210 197

259 251 350 446 312

e293 e291 e292 e296 177

266 338 286 346 249

650 3270 4170 737 444

162 185 376 565 324

117 114 113 112 110

11 12 13 14 15

182 170 192 175 164

181 335 372 265 228

702 387 324 283 258

199 196 197 532 318

183 182 179 179 183

193 191 188 188 185

285 280 893 611 e649

237 187 177 197 250

234 233 369 300 235

380 376 330 333 309

240 208 195 188 178

109 107 107 105 103

16 17 18 19 20

160 153 150 153 159

209 202 194 188 185

246 237 230 224 208

260 236 224 215 215

179 179 178 172 174

194 230 215 197 190

e580 e531 294 285 271

213 187 177 172 265

207 190 181 182 202

272 256 244 231 220

167 161 190 186 171

105 118 109 102 102

21 22 23 24 25

150 148 147 150 150

181 175 174 198 335

201 197 e351 e461 e350

211 204 200 191 188

202 234 194 221 216

186 184 323 283 238

262 251 259 251 e346

274 211 191 176 166

186 187 171 161 157

232 218 240 212 197

167 154 151 153 149

101 99 99 97 97

26 27 28 29 30 31

144 143 142 141 141 140

244 211 210 196 187 ---

e336 e270 e255 255 243 233

184 184 183 182 239 244

194 188 444 -------

221 224 1580 1020 e400 e432

e341 e343 e316 e304 e315 ---

162 159 156 156 158 159

156 440 743 857 589 ---

190 184 182 235 242 259

144 141 139 138 145 159

98 105 101 103 99 ---

TOTAL MEAN MAX MIN CFSM IN.

5574 180 313 140 1.55 1.79

7465 249 740 137 2.15 2.39

10347 334 1950 188 2.88 3.32

6961 225 532 182 1.94 2.23

5793 207 444 172 1.78 1.86

9409 304 1580 184 2.62 3.02

10830 361 893 251 3.11 3.47

6785 219 322 156 1.89 2.18

9036 301 857 156 2.60 2.90

16255 524 4170 182 4.52 5.21

6154 199 565 138 1.71 1.97

3263 109 135 97 0.94 1.05

177 439 1961 58.0 2002

158 524 2005 36.1 2002

165 490 1940 29.7 2002

146 535 2004 34.1 1954

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1930 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

171 795 1965 35.1 1955

164 429 1993 56.8 1932

202 459 1962 65.7 1956

249 791 1937 66.6 1956

266 621 1960 93.9 2001

291 752 1952 100 1955

261 763 1936 91.5 1986

206 484 2003 82.8 1988

153

SANTEE RIVER BASIN 02154500 NORTH PACOLET RIVER AT FINGERVILLE, SC--Continued SUMMARY STATISTICS

FOR 2004 CALENDAR YEAR

ANNUAL TOTAL ANNUAL MEAN HIGHEST ANNUAL MEAN LOWEST ANNUAL MEAN HIGHEST DAILY MEAN LOWEST DAILY MEAN ANNUAL SEVEN-DAY MINIMUM MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE INSTANTANEOUS LOW FLOW ANNUAL RUNOFF (CFSM) ANNUAL RUNOFF (INCHES) 10 PERCENT EXCEEDS 50 PERCENT EXCEEDS 90 PERCENT EXCEEDS

FOR 2005 WATER YEAR

78122 213 3710 78 85

97872 268 Sep 8 a Aug 11 Aug 5

4170 97 b 99 7410 20.36 92 2.31 31.39 363 210 141

1.84 25.05 301 156 95

Jul 8 Sep 24 Sep 20 Jul 8 Jul 8 Sep 24

WATER YEARS 1930 - 2005 205 340 87.0 8110 14 17 c 12500 27.13 9.0 1.77 23.99 335 156 80

1937 2002 Oct 5 1964 Aug 14 2002 Aug 8 2002 Aug 14 1940 Aug 14 1940 Oct 6 1954

a b c

Also occurred Aug. 28, 30. Also occurred Sep. 25. From rating curve extended above 5,240 ft3/s on basis of computation of peak flow over dam 2.0 miles above station.

e

Estimated 10,000

5000

DISCHARGE, IN CUBIC FEET PER SECOND

2000

1000

500

200

100

50

20

10

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

154

SANTEE RIVER BASIN 02154790 SOUTH PACOLET RIVER NEAR CAMPOBELLO, SC

LOCATION.--Lat 35°06'23'', long 82°07'47'', Spartanburg County, Hydrologic Unit 03050105, on downstream side of bridge on Alverson Road, 1.1 mi upstream of Lake William C. Bowen, and 1.3 mi southeast of Campobello. DRAINAGE AREA.--55.4 mi2, approximately. PERIOD OF RECORD.--January 1989 to current year. GAGE.--Data collection platform. Elevation of gage is 825 ft above NGVD of 1929 (from topographic map). Prior to November 21, 1991, at same site at datum 2.00 ft. lower. REMARKS.--Records fair except for estimated daily discharges, which are poor. Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

156 135 129 114 100

71 73 113 382 252

154 136 128 124 122

136 133 131 129 126

118 111 170 142 124

e164 130 118 111 106

174 156 135 124 116

103 94 90 87 90

155 316 172 135 115

192 157 195 530 185

209 147 129 118 112

58 56 55 54 53

6 7 8 9 10

e92 90 85 83 81

146 123 110 102 98

130 160 149 367 1370

128 124 132 122 117

116 112 110 108 107

100 98 128 106 98

108 110 237 196 144

89 86 84 82 101

119 118 104 105 101

149 2030 868 330 252

108 190 248 322 171

53 52 52 52 52

11 12 13 14 15

79 77 90 78 76

97 179 153 123 113

393 290 230 198 179

114 113 117 e313 168

101 100 99 100 100

95 92 90 93 89

126 e148 e556 e270 e358

105 87 82 97 116

98 102 141 108 96

219 199 182 e173 e163

127 99 86 81 76

51 e51 e52 e52 e51

16 17 18 19 20

73 71 71 86 81

109 106 104 103 104

168 161 154 148 140

145 133 126 122 122

100 96 94 92 97

110 114 102 95 92

163 145 135 126 118

102 89 85 82 168

89 85 83 93 92

e138 e123 e120 e128 123

73 72 89 82 77

e53 e60 e53 e51 e50

21 22 23 24 25

75 75 75 77 75

102 103 107 136 168

136 133 e197 e230 e217

118 116 113 108 109

119 119 103 134 115

90 92 158 117 103

111 111 116 105 101

143 108 96 89 84

89 85 82 79 77

126 160 157 125 117

72 69 70 71 67

e50 e49 e49 e48 e48

26 27 28 29 30 31

72 73 74 78 76 72

134 125 126 118 116 ---

187 169 158 151 145 140

108 105 101 107 153 137

104 101 e259 -------

97 e101 e1200 337 199 191

102 107 97 96 105 ---

81 80 79 79 81 80

79 164 1070 795 e287 ---

111 107 128 176 153 225

64 64 63 62 64 64

e49 e53 e49 e48 e46 ---

2669 86.1 156 71 1.55 1.79

3896 130 382 71 2.34 2.62

6764 218 1370 122 3.94 4.54

4026 130 313 101 2.34 2.70

3251 116 259 92 2.10 2.18

4816 155 1200 89 2.80 3.23

4696 157 556 96 2.83 3.15

2919 94.2 168 79 1.70 1.96

5234 174 1070 77 3.15 3.51

8041 259 2030 107 4.68 5.40

3346 108 322 62 1.95 2.25

1550 51.7 60 46 0.93 1.04

81.1 174 2005 23.0 2002

83.1 259 2005 16.0 2002

76.4 219 1995 18.4 2002

70.2 298 2004 25.5 2000

TOTAL MEAN MAX MIN CFSM IN.

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1989 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

80.2 153 1996 19.6 2001

84.2 253 1993 32.6 2001

101 218 2005 47.0 2001

124 268 1993 50.7 2001

127 248 1990 47.2 2001

141 308 1993 64.1 1999

112 193 2003 52.5 2002

96.0 269 2003 42.3 2001

155

SANTEE RIVER BASIN 02154790 SOUTH PACOLET RIVER NEAR CAMPOBELLO, SC--Continued SUMMARY STATISTICS

FOR 2004 CALENDAR YEAR

ANNUAL TOTAL ANNUAL MEAN HIGHEST ANNUAL MEAN LOWEST ANNUAL MEAN HIGHEST DAILY MEAN LOWEST DAILY MEAN ANNUAL SEVEN-DAY MINIMUM MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE ANNUAL RUNOFF (CFSM) ANNUAL RUNOFF (INCHES) 10 PERCENT EXCEEDS 50 PERCENT EXCEEDS 90 PERCENT EXCEEDS a

Also occurred June 7.

e

Estimated

FOR 2005 WATER YEAR

41658 114

WATER YEARS 1989 - 2005

51208 140

2370 36 38

Sep a Jun Jun

8 3 2

2030 e 46 49 Unknown Unknown 2.53 34.39 195 108 66

2.05 27.97 168 75 44

99.3 157 44.0 3500 7.8 8.4 5170 11.33 1.79 24.36 160 71 34

Jul 7 Sep 30 Sep 24

Aug Aug Aug Aug Aug

27 13 8 27 27

1993 2002 1995 2002 2002 1995 1995

10,000

5000

DISCHARGE, IN CUBIC FEET PER SECOND

2000

1000

500

200

100

50

20

10

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

156

SANTEE RIVER BASIN 02154950 LAKE WILLIAM C. BOWEN NEAR FINGERVILLE, SC

LOCATION.--Lat 35°06'45'', long 82°02'26'', Spartanburg County, Hydrologic Unit 03050105, at bridge on State Highway 9, 1.7 mi upstream from the dam and 2.8 mi southwest of Fingerville. DRAINAGE AREA.--79.4 mi2. PERIOD OF RECORD.--October 1968 to September 1988, October 1995 to current year. GAGE.--Data collection platform. Datum of gage is NGVD of 1929 (Spartanburg Water Works benchmark). REMARKS.--Lake is formed by concrete dam, completed in 1960. Capacity is 7,400,000,000 gallons. Spillway crest is 815 ft sea level. Water used as inflow to South Pacolet River Reservior, capacity, 1,104,000,000 gallons. EXTREMES FOR PERIOD OF RECORD.--Maximum elevation 817.44 ft, Oct. 9, 1976; minimum elevation, 809.28 ft, Nov. 30, 1974. EXTREMES FOR CURRENT YEAR.--Maximum elevation, 817.38 ft, July 7; minimum elevation, 814.38 ft, Sep. 30. Elevation above NGVD 1929, feet WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY OBSERVATION AT 2400 HOURS DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

815.26 815.25 815.24 815.21 815.19

815.14 815.18 815.22 815.48 815.33

815.20 815.18 815.17 815.17 815.17

------815.20 815.19

815.20 815.20 815.26 815.23 815.21

815.25 815.21 815.19 815.19 815.17

815.29 815.25 815.21 815.22 815.21

815.20 815.19 815.18 815.18 815.18

815.33 815.39 815.28 815.24 815.21

815.29 815.24 815.50 815.49 815.30

815.27 815.23 815.21 815.19 815.18

814.86 814.84 814.81 814.77 814.72

6 7 8 9 10

815.18 815.18 815.17 815.17 815.17

815.25 815.22 815.19 815.18 815.17

815.20 815.21 815.19 815.79 815.94

815.19 815.19 815.20 815.19 815.19

815.20 815.20 815.19 815.19 815.17

815.18 815.19 815.20 815.19 815.18

815.21 815.24 815.34 815.30 815.26

815.18 815.18 815.17 815.17 815.19

815.26 815.22 815.24 815.21 815.21

815.19 817.05 815.71 815.35 815.21

815.17 815.30 815.32 815.35 815.28

814.68 814.65 814.62 814.62 814.62

11 12 13 14 15

815.17 815.17 815.17 815.16 815.15

815.17 815.28 815.24 815.21 815.19

815.49 815.34 815.26 815.23 815.21

815.18 815.20 815.29 815.32 815.25

815.16 815.16 815.17 815.18 815.18

815.16 815.17 815.17 815.18 815.17

815.24 815.31 815.64 815.44 815.33

815.20 815.19 815.18 815.20 815.21

815.19 815.20 815.21 815.19 815.18

815.20 815.24 815.24 815.61 815.42

815.24 815.21 815.20 815.19 815.18

814.61 814.60 814.60 814.60 814.59

16 17 18 19 20

815.13 815.13 815.14 815.17 815.16

815.18 815.18 815.18 815.17 815.18

815.21 815.21 815.20 815.16 815.17

815.22 815.20 815.19 815.19 815.20

815.18 815.17 815.16 815.16 815.18

815.21 815.21 815.20 815.19 815.18

815.27 815.25 815.24 815.23 815.22

815.20 815.18 815.18 815.17 815.33

815.16 815.15 815.14 815.18 815.16

815.29 815.24 815.22 815.21 815.20

815.17 815.17 815.19 815.19 815.21

814.61 814.62 814.61 814.61 814.60

21 22 23 24 25

815.15 815.15 815.15 815.15 815.15

815.17 815.18 815.18 815.23 815.21

815.17 815.18 815.51 815.37 815.27

815.19 815.19 815.18 815.18 815.18

815.22 815.20 815.19 815.22 815.20

815.18 815.22 815.26 815.23 815.21

815.22 815.23 815.20 815.18 815.18

815.26 815.21 815.19 815.16 815.16

815.16 815.15 815.14 815.14 815.14

815.20 815.23 815.23 815.21 815.19

815.19 815.17 815.17 815.16 815.16

814.60 814.59 814.57 814.52 814.48

26 27 28 29 30 31

815.15 815.15 815.15 815.16 815.16 815.15

815.19 815.19 815.18 815.17 815.16 ---

815.25 815.21 815.21 815.20 815.19 815.19

815.19 815.18 815.17 815.23 815.24 815.22

815.19 815.21 815.35 -------

815.20 815.36 815.89 815.49 815.33 815.33

815.21 815.20 815.19 815.19 815.22 ---

815.16 815.16 815.16 815.15 815.16 815.16

815.14 815.26 816.17 815.68 815.41 ---

815.19 815.17 815.23 815.26 815.23 815.28

815.10 814.98 814.88 814.82 814.84 814.86

814.45 814.43 814.41 814.41 814.38 ---

MAX MIN

815.26 815.13

815.48 815.14

815.94 815.16

-----

815.35 815.16

815.89 815.16

815.64 815.18

815.33 815.15

816.17 815.14

817.05 815.17

815.35 814.82

814.86 814.38

7.38 -3.99

7.38 0.00

7.40 +1.00

7.41 +0.50

7.48 +3.87

7.46 -1.00

7.41 -2.58

7.38 -1.50

7.50 +6.19

7.44 -2.99

7.23 -10.5

6.99 -12.4

CAL YR 2004 WTR YR 2005

* *

+0.17 -1.99

MAX 816.46 MAX 817.05

MIN 814.62 MIN 814.38

(+) CONTENTS, IN BILLIONS OF GALLONS, AT END OF MONTH. (*) CHANGE IN CONTENT, EQUIVALENT IN CUBIC FEET PER SECOND.

157

SANTEE RIVER BASIN 02155500 PACOLET RIVER NEAR FINGERVILLE, SC LOCATION.--Lat 35°06'35'', long 81°57'35'', Spartanburg County, Hydrologic Unit 03050105, on right bank, 100 ft upstream from bridge on State Road 55, 0.2 mi downstream from confluence of North Pacolet and South Pacolet Rivers, 2.8 mi southeast of Fingerville, and at mile 46.5. DRAINAGE AREA.--212 mi2. PERIOD OF RECORD.--December 1929 to current year. Monthly discharge only for some periods, published in WSP 1303. REVISED RECORDS.--WSP 1303: 1930-39 (monthly and yearly runoff). GAGE.--Basic data recorder. Datum of gage is 706.33 ft above NGVD of 1929.

REMARKS.--Records good except for estimated daily discharges, which are poor. Some regulation by South Pacolet River Reservoir and Lake William C. Bowen (02154950). Some diurnal fluctuation caused by mill on North Pacolet River. Water diverted above station for City of Spartanburg water supply during year. EXTREMES OUTSIDE PERIOD OF RECORD.--Flood of June 1903 reached a stage of 46 ft, from floodmark (discharge not determined). Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

341 453 392 355 356

181 192 314 937 920

325 319 290 278 271

326 321 315 312 311

362 358 370 375 331

653 429 361 316 288

569 578 423 365 327

330 286 252 248 247

246 854 596 415 330

487 378 451 994 605

393 347 313 262 252

175 141 139 135 132

6 7 8 9 10

384 231 223 252 249

511 388 342 299 227

274 332 371 674 4270

307 302 310 305 294

323 312 e303 e296 e289

287 281 325 283 306

342 346 481 717 474

248 242 243 228 228

316 449 386 461 334

927 6000 6620 1350 687

248 272 598 782 706

130 128 127 126 124

11 12 13 14 15

268 244 243 240 187

182 523 616 363 313

1490 756 593 478 357

239 189 423 754 489

e277 e272 e266 e261 e258

271 248 247 245 244

441 445 1290 1150 672

279 235 247 207 342

342 333 437 381 287

530 466 e443 e465 e468

380 349 282 251 239

123 121 121 119 118

16 17 18 19 20

160 219 180 182 225

298 285 297 293 273

322 349 441 392 336

403 349 331 292 284

235 251 248 245 250

305 350 314 296 287

497 461 443 426 403

320 261 233 218 353

246 226 227 178 180

e421 e395 e372 e349 e325

231 223 247 243 235

119 129 121 115 116

21 22 23 24 25

235 218 210 199 199

260 254 256 280 412

302 286 776 1300 599

281 276 287 277 277

359 392 293 310 337

261 274 444 430 407

358 299 322 347 336

384 324 303 288 245

249 247 317 404 436

e326 294 313 310 302

262 223 217 220 210

114 112 112 111 110

26 27 28 29 30 31

211 206 202 197 186 182

348 317 319 303 277 ---

483 409 394 380 348 332

273 255 231 234 341 369

315 263 626 -------

373 343 2800 1780 692 739

329 336 271 245 289 ---

211 208 192 189 194 202

e453 e847 e1400 e1590 1080 ---

258 251 247 348 445 367

231 278 278 267 218 214

112 118 113 114 111 ---

TOTAL MEAN MAX MIN CFSM IN.

7629 246 453 160 1.16 1.34

10780 359 937 181 1.69 1.89

18527 598 4270 271 2.82 3.25

9957 321 754 189 1.52 1.75

8777 313 626 235 1.48 1.54

14879 480 2800 244 2.26 2.61

13982 466 1290 245 2.20 2.45

7987 258 384 189 1.22 1.40

14247 475 1590 178 2.24 2.50

26194 845 6620 247 3.99 4.60

9471 306 782 210 1.44 1.66

3686 123 175 110 0.58 0.65

281 647 1961 68.4 2002

251 845 2005 43.1 2002

257 846 1940 47.5 2002

228 1003 2004 51.0 1954

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1930 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

273 1313 1965 42.2 1955

265 784 1993 80.1 2001

341 733 1984 96.9 2001

397 1203 1937 104 2001

436 940 1990 129 1986

481 1324 1952 153 1988

433 1249 1936 127 1986

336 920 2003 105 2001

158

SANTEE RIVER BASIN 02155500 PACOLET RIVER NEAR FINGERVILLE, SC--Continued SUMMARY STATISTICS

FOR 2004 CALENDAR YEAR

ANNUAL TOTAL ANNUAL MEAN HIGHEST ANNUAL MEAN LOWEST ANNUAL MEAN HIGHEST DAILY MEAN LOWEST DAILY MEAN ANNUAL SEVEN-DAY MINIMUM MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE ANNUAL RUNOFF (CFSM) ANNUAL RUNOFF (INCHES) 10 PERCENT EXCEEDS 50 PERCENT EXCEEDS 90 PERCENT EXCEEDS

FOR 2005 WATER YEAR

130051 355

WATER YEARS 1930 - 2005

146116 400

8330 94 125

Sep 8 Aug 10 Aug 5

6620 110 112 11500 13.76 1.89 25.64 597 302 182

1.68 22.82 492 248 146

332 535 121 13500 26 27 a 22800 22.43 1.57 21.27 565 246 108

Jul 8 Sep 25 Sep 20 Jul 7 Jul 7

a

From rating curve extended above 9,980 ft3/s by velocity-area studies.

e

Estimated

Aug Aug Aug Aug Aug

14 10 7 14 14

1937 2002 1940 2002 2002 1940 1940

10,000

DISCHARGE, IN CUBIC FEET PER SECOND

5000

2000

1000

500

200

100

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

159

SANTEE RIVER BASIN 021556524 LAKE BLALOCK NEAR COWPENS, SC

LOCATION.--Lat 35°03'29'', long 81°52'05'', Spartanburg County, Hydrologic Unit 03050105, approximately 100 ft upstream of Lake Blalock Dam, and 3.5 mi northwest of Cowpens, and in the Lake Blalock Public Landing Area. DRAINAGE AREA.--273 mi2, approximately. PERIOD OF RECORD.--February 1998 to current year. GAGE.--Data Collection Platform. Datum of gage is NGVD of 1929 (from Spartanburg Water Systems staff gage). REMARKS.--Lake is formed by concrete dam with earth embankments at each end. Spartanburg Water System began drawing down Lake Blalock around September 11, 2004 for repair/construction on the dam. The minimum elevation of the lake fell below the measurable level of the gage during that time. EXTREMES FOR PERIOD OF RECORD.--Maximum elevation, 704.38 ft, Mar. 20, 2003; minimum elevation, 676.44 ft, Nov. 16-18, 2004. EXTREMES FOR CURRENT YEAR.--Maximum elevation, 701.28 ft, Dec. 10; minimum elevation, 676.44 ft, Nov. 16-18. Elevation above NGVD 1929, feet WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY OBSERVATION AT 2400 HOURS DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

689.42 ---------

678.45 678.67 678.92 681.50 683.24

679.34 679.42 679.29 679.09 678.88

-----------

-----------

691.06 690.45 690.14 689.96 689.83

689.70 689.76 689.38 689.42 689.40

------689.11 689.11

689.29 690.63 690.23 689.81 689.48

690.13 689.62 689.93 690.93 690.27

689.43 689.32 689.20 689.05 688.99

688.78 688.64 688.58 688.54 688.52

6 7 8 9 10

-----------

682.31 680.74 679.34 678.44 678.69

678.29 678.07 677.85 681.69 ---

-----------

------689.03 689.10

689.78 689.78 689.86 689.78 689.80

689.42 689.49 689.83 690.21 689.92

689.09 ------689.03

689.39 689.60 689.56 689.66 689.51

690.70 699.58 695.21 692.13 690.85

688.95 689.15 689.91 690.83 690.98

688.50 688.49 688.49 688.47 688.46

11 12 13 14 15

-----------

679.55 679.63 679.28 678.38 677.88

-----------

-----------

689.06 689.00 688.99 689.01 689.01

689.71 689.63 689.60 689.61 689.59

689.77 689.89 691.67 691.55 690.57

689.12 689.06 689.07 689.01 689.31

689.43 689.39 689.62 689.49 689.26

690.22 689.92 689.98 689.84 690.64

689.91 689.53 689.25 689.09 689.00

688.45 688.45 688.44 688.43 688.43

16 17 18 19 20

-----------

676.44 676.45 677.33 678.18 677.71

-----------

-----------

688.96 688.95 688.92 688.93 688.98

689.81 689.92 689.87 689.79 689.75

690.07 689.88 689.78 689.72 689.64

689.31 689.18 689.07 689.00 689.41

689.09 688.99 688.98 689.01 689.02

690.00 689.64 689.50 689.36 689.21

688.95 688.91 688.98 688.98 688.95

688.42 688.45 688.44 688.41 688.41

21 22 23 24 25

----678.80 678.80 678.91

676.45 676.45 676.45 677.35 678.93

-----------

-----------

689.32 689.37 689.18 689.24 689.18

689.67 689.78 690.25 690.24 690.17

689.53 689.38 689.39 689.39 689.39

689.47 689.38 689.27 689.19 689.08

688.97 688.95 688.91 688.87 688.84

689.17 689.13 689.14 689.15 689.13

689.00 688.92 688.90 688.89 688.85

688.40 688.39 688.38 688.37 688.37

26 27 28 29 30 31

679.15 679.20 679.13 678.96 678.71 678.43

679.37 679.63 679.85 679.82 679.38 ---

-------------

-------------

689.53 689.85 691.24 -------

690.06 690.17 693.81 691.51 690.12 690.14

689.41 689.40 689.25 -------

688.98 688.94 688.89 688.87 688.89 688.90

688.84 689.57 691.28 692.60 691.38 ---

689.03 688.96 688.94 689.30 689.49 689.41

688.91 689.02 689.06 689.06 688.97 688.90

688.38 688.40 688.39 688.40 688.37 ---

-------

678.83 683.24 676.44

-------

-------

-------

690.12 693.81 689.59

-------

-------

689.59 692.60 688.84

690.27 699.58 688.94

689.22 690.98 688.85

688.46 688.78 688.37

MEAN MAX MIN

160

SANTEE RIVER BASIN 021556525 PACOLET RIVER BELOW LAKE BLALOCK NEAR COWPENS, SC

LOCATION.--Lat 35°02'51'', long 81°51'21'', Spartanburg County, Hydrologic Unit 03050105, on right bank, 0.75 mi downstream of Lake Blalock Dam, and 3.5 mi northwest of Cowpens, S.C. DRAINAGE AREA.--273 mi2. PERIOD OF RECORD.--November 1993 to current year. GAGE.--Data collection platform. Elevation of gage is 600 ft above NGVD of 1929 (from topographic map). Prior to November 4, 1998, at site 0.6 mi upstream at different datum. REMARKS.--Records fair except for estimated daily discharges, which are poor. Flow regulated by Lake Blalock (see sta 021556524). Water diverted by City of Spartanburg above station at Lake Blalock for municipal supply. Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

959 928 890 862 823

246 225 347 626 742

393 371 366 365 363

402 389 423 417 406

420 407 424 453 417

826 673 520 436 388

868 697 670 480 451

418 412 376 356 349

318 672 845 640 521

964 605 496 1010 921

403 389 358 315 286

268 229 207 193 185

6 7 8 9 10

661 352 386 371 368

784 729 656 512 271

428 417 443 579 1050

387 373 369 371 371

394 378 346 323 338

361 349 373 367 359

446 460 502 754 670

348 342 342 331 324

425 495 482 531 490

901 5430 10500 2670 1160

274 290 e396 e689 1380

178 175 174 172 169

11 12 13 14 15

374 359 348 335 293

116 563 e765 e515 e440

1830 1190 1060 1020 998

361 300 340 691 720

344 320 305 313 318

356 325 316 307 306

589 562 991 1420 1130

341 342 333 336 358

463 438 459 508 433

781 618 546 563 708

782 527 429 359 324

167 164 163 161 158

16 17 18 19 20

230 168 163 387 276

e408 347 320 323 364

826 462 e111 e123 843

567 449 402 379 356

311 303 302 294 301

327 382 390 372 356

768 637 586 556 532

413 391 352 325 373

374 331 314 324 325

736 518 443 405 360

304 291 296 307 301

158 165 168 160 156

21 22 23 24 25

320 316 300 275 243

364 323 322 e326 e450

1160 794 706 1260 1010

347 341 337 335 333

341 436 404 373 411

339 327 425 508 493

497 462 426 440 436

462 444 414 390 362

318 308 300 287 277

337 325 325 320 323

309 301 287 282 277

154 153 152 151 147

26 27 28 29 30 31

239 264 281 295 293 290

e440 e390 e370 e357 413 ---

696 551 487 463 441 415

335 325 304 296 344 413

284 256 469 -------

466 437 3460 3010 1310 919

433 443 414 371 375 ---

326 306 294 283 284 288

275 345 702 2030 1590 ---

302 281 270 302 418 404

268 298 320 323 308 293

147 154 155 156 154 ---

12649 408 959 163 1.49 1.72

13054 435 784 116 1.59 1.78

21221 685 1830 111 2.51 2.89

12183 393 720 296 1.44 1.66

9985 357 469 256 1.31 1.36

19783 638 3460 306 2.34 2.70

18066 602 1420 371 2.21 2.46

11015 355 462 283 1.30 1.50

15820 527 2030 275 1.93 2.16

33942 1095 10500 270 4.01 4.63

11966 386 1380 268 1.41 1.63

5093 170 268 147 0.62 0.69

286 689 2003 83.0 2002

310 1095 2005 69.1 2002

338 991 1995 65.0 2002

286 1306 2004 66.6 2002

TOTAL MEAN MAX MIN CFSM IN.

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1994 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

264 652 1996 69.2 2001

267 617 1996 87.1 2001

379 685 2005 124 2001

431 982 1995 134 2001

476 975 1998 173 2001

520 1096 2003 228 1999

420 915 2003 178 2002

386 1790 2003 122 2001

161

SANTEE RIVER BASIN 021556525 PACOLET RIVER BELOW LAKE BLALOCK NEAR COWPENS, SC--Continued SUMMARY STATISTICS

FOR 2004 CALENDAR YEAR

ANNUAL TOTAL ANNUAL MEAN HIGHEST ANNUAL MEAN LOWEST ANNUAL MEAN HIGHEST DAILY MEAN LOWEST DAILY MEAN ANNUAL SEVEN-DAY MINIMUM MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE ANNUAL RUNOFF (CFSM) ANNUAL RUNOFF (INCHES) 10 PERCENT EXCEEDS 50 PERCENT EXCEEDS 90 PERCENT EXCEEDS

FOR 2005 WATER YEAR

158278 432

WATER YEARS 1994 - 2005

184777 506

10800 55 69

Sep 8 Aug 8 Aug 23

10500 e 111 151 14300 13.53 1.85 25.18 824 371 235

1.58 21.57 864 306 135

363 682 143 e 11800 44 51 14300 a 17.10 1.33 18.09 620 262 88

Jul 8 Dec 18 Sep 21 Jul 8 Jul 8

a

At site and datum then in use, also occurred May 23, 2003 at present site and datum.

e

Estimated

2003 2002 May 23 2003 Sep 11 2002 Sep 7 2002 Sep 8 2004 Aug 28 1995

100,000

50,000

DISCHARGE, IN CUBIC FEET PER SECOND

20,000

10,000

5000

2000

1000

500

200

100

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

162

SANTEE RIVER BASIN 02156050 LAWSONS FORK CREEK AT DEWEY PLANT NEAR INMAN, SC

LOCATION.--Lat 35°01'26'', long 82°04'03'', Spartanburg County, Hydrologic Unit 03050105, on left bank, at Milliken and Co., Dewey Plant, 1.8 mi southeast of Inman and 3.8 mi upstream from Meadow Creek. DRAINAGE AREA.--6.46 mi2. PERIOD OF RECORD.--October 1979 to current year. GAGE.--Data collection platform. Elevation of gage is 838 ft above NGVD of 1929 (from topographic map). Prior to December 8, 1999, at site 120 ft upstream and at datum 1.94 ft lower. REMARKS.--Records poor. Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

8.7 11 9.6 7.9 7.0

8.3 9.2 11 35 12

11 8.7 7.9 7.2 7.1

6.0 6.1 7.8 8.3 8.6

7.8 7.4 16 8.8 7.7

11 8.3 7.5 7.2 6.8

14 12 10 9.4 9.0

8.1 7.0 6.5 6.3 6.8

21 25 10 8.9 7.9

e8.1 e7.4 e15 e26 e8.0

e11 e7.4 6.2 6.1 5.4

e4.4 e4.5 e4.0 e3.2 e3.6

6 7 8 9 10

7.0 6.9 6.7 6.5 6.4

9.1 8.4 7.6 7.3 7.0

9.7 10 7.9 69 e200

8.3 7.4 8.3 7.4 7.3

7.2 6.9 6.8 7.2 7.0

6.3 6.5 14 8.0 7.4

8.8 9.6 17 12 9.6

6.2 6.1 5.9 5.8 8.9

7.4 6.9 6.5 7.6 8.1

5.1 10 8.8 8.0 7.2

3.4 3.5 3.6 3.0 2.9

11 12 13 14 15

6.6 e6.7 e8.1 e6.9 e7.0

7.2 16 9.5 8.2 7.5

17 11 9.1 8.1 7.9

7.6 7.5 8.5 16 7.4

6.6 6.5 6.6 7.4 6.9

6.9 6.6 6.4 6.5 5.9

8.5 13 13 11 9.0

7.0 6.2 6.0 9.3 11

7.1 e6.9 e6.8 e5.8 5.3

e12 e12 e10 e14 e7.9

6.3 5.6 5.6 5.2 4.5

3.6 3.2 2.9 2.5 2.5

16 17 18 19 20

6.7 6.6 6.5 8.5 7.0

7.1 6.8 6.7 6.9 7.3

7.5 7.0 6.9 6.8 6.4

6.6 6.1 5.9 6.0 6.2

6.9 6.5 6.2 6.1 6.9

11 9.7 7.6 6.8 6.7

8.3 7.9 7.6 7.2 6.8

7.8 6.7 6.5 6.3 20

5.0 4.4 5.1 8.3 6.9

e7.3 e8.3 e7.5 e7.5 7.0

4.7 4.9 5.9 6.6 8.6

3.5 4.4 4.1 4.2 4.6

21 22 23 24 25

7.1 7.2 7.0 8.5 8.2

7.3 7.3 8.1 13 10

6.6 6.7 46 12 8.3

6.0 6.1 5.8 5.8 6.0

9.8 7.8 6.6 11 9.4

6.3 11 21 9.8 8.1

6.6 8.3 9.1 8.2 7.1

13 7.8 7.1 6.5 5.8

5.9 5.6 5.2 4.9 4.5

7.0 e10 e8.5 e7.7 e9.2

6.5 5.2 5.5 5.6 5.4

4.9 5.2 5.5 5.5 5.2

26 27 28 29 30 31

8.2 8.2 8.7 9.6 8.9 8.5

8.5 8.8 9.3 8.8 8.2 ---

7.1 6.4 6.0 6.0 5.9 5.7

5.9 5.9 5.6 7.1 12 8.6

9.0 9.5 27 -------

7.5 20 177 17 12 19

7.7 6.8 6.6 6.8 11 ---

5.6 5.4 5.2 5.2 6.1 6.0

5.8 31 40 14 e14 ---

e8.9 e9.4 e12 e16 e14 e16

5.7 5.4 5.3 4.8 e5.2 e5.4

4.2 3.9 2.9 3.1 2.5 ---

238.4 7.69 11 6.4 1.19 1.37

287.4 9.58 35 6.7 1.48 1.65

542.9 17.5 200 5.7 2.71 3.13

228.1 7.36 16 5.6 1.14 1.31

239.5 8.55 27 6.1 1.32 1.38

465.8 15.0 177 5.9 2.33 2.68

281.9 9.40 17 6.6 1.45 1.62

228.1 7.36 20 5.2 1.14 1.31

301.8 10.1 40 4.4 1.56 1.74

471.7 15.2 136 7.0 2.36 2.72

193.1 6.23 11 4.5 0.96 1.11

114.5 3.82 5.5 2.5 0.59 0.66

7.68 14.2 1989 1.23 2002

6.64 15.2 2005 1.24 2002

7.11 28.0 1994 2.27 2002

6.03 26.4 2004 2.29 1999

TOTAL MEAN MAX MIN CFSM IN.

e11 e136 e22 e12 e14

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1980 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

7.95 20.5 1993 2.55 2001

8.82 19.3 1993 3.85 2002

10.1 20.6 2003 4.82 2002

11.4 28.3 1993 5.22 1981

12.4 23.8 1990 5.52 2002

14.2 36.5 2003 6.59 2002

10.4 20.5 2003 4.26 2002

9.91 38.3 2003 4.03 2000

163

SANTEE RIVER BASIN 02156050 LAWSONS FORK CREEK AT DEWEY PLANT NEAR INMAN, SC--Continued SUMMARY STATISTICS

FOR 2004 CALENDAR YEAR

ANNUAL TOTAL ANNUAL MEAN HIGHEST ANNUAL MEAN LOWEST ANNUAL MEAN HIGHEST DAILY MEAN LOWEST DAILY MEAN ANNUAL SEVEN-DAY MINIMUM MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE ANNUAL RUNOFF (CFSM) ANNUAL RUNOFF (INCHES) 10 PERCENT EXCEEDS 50 PERCENT EXCEEDS 90 PERCENT EXCEEDS

FOR 2005 WATER YEAR

4265.0 11.7 223 3.2 4.5

Sep 8 Aug 17 Aug 14

e 200 2.5 a 2.9 Unknown 8.70 1.52 20.69 13 7.2 5.2

1.80 24.56 15 8.1 5.7

a b

Also occurred Sep. 15, 30. Also occurred Aug. 14, 2002.

e

Estimated

WATER YEARS 1980 - 2005

3593.2 9.84 Dec Sep Sep Dec Dec

9.37 17.9 2003 4.66 2002 420 Mar 20 2003 0.37 b Aug 7 2002 0.45 Aug 7 2002 564 May 22 2003 8.70 Dec 10 2004 1.45 19.72 14 6.9 3.3

10 14 9 10 10

1000

500

DISCHARGE, IN CUBIC FEET PER SECOND

200

100

50

20

10

5

2

1

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

164

SANTEE RIVER BASIN 02156449 NEAL SHOALS RESERVIOR NEAR CARLISLE, SC

LOCATION.--Lat 34°39'51'', long 81°26'57'', Union County, Hydrologic Unit Code 03050106, on right wingwall of Neal Shoals Reservior dam. DRAINAGE AREA.--2,730 mi2, approximately. GAGE-HEIGHT RECORDS PERIOD OF RECORD.--October 1996 to current year. GAGE.--Data collection platform. Datum of gage is NGVD of 1929 (from South Carolina Electric and Gas Company benchmark). REMARKS.--Lake is formed by granite block and concrete dam. Storage began in 1905. Capacity, 64,990,000 ft3 below 333.9 ft (maximum normal lake elevation). Contents above 333.9 are unknown. Prior to October 2003, midnight readings, month-end and annual contents were published EXTREMES FOR PERIOD OF RECORD.--Maximum gage height 340.07 ft, Sep. 9, 2004; minimum gage height, unknown, Jul. 7-14, 1997. EXTREMES FOR CURRENT YEAR.--Maximum gage height 337.03 ft, Mar. 29; minimum gage height, 330.00, Apr. 22. Gage height, feet WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

MEAN

MAX

1 2 3 4 5

334.39 334.18 334.09 334.06 333.92

334.18 334.09 334.06 333.92 333.60

MEAN

MAX

6 7 8 9 10

MEAN

MAX

MIN

334.28 334.12 334.07 333.96 333.74

333.42 333.44 333.53 334.91 335.43

333.07 333.04 333.35 333.53 334.90

333.26 333.24 333.45 333.92 335.24

333.69 333.84 333.72 333.73 333.65

333.65 333.65 333.61 333.64 333.51

333.67 333.71 333.65 333.67 333.58

333.78 333.77 333.51 333.71 333.80

333.70 333.48 333.43 333.44 333.56

333.73 333.65 333.47 333.53 333.68

333.81 333.78 333.67 333.67 333.64

333.74 333.51 333.51 333.50 333.50

333.78 333.68 333.60 333.62 333.59

334.90 334.28 334.06 333.79 333.92

334.28 334.06 333.74 333.65 333.68

334.52 334.17 333.86 333.72 333.79

333.51 333.89 333.91 333.85 336.90

333.37 333.50 333.82 333.64 333.65

333.46 333.63 333.86 333.74 335.17

333.80 333.79 333.69 333.72 333.59

333.67 333.66 333.59 333.51 333.33

333.74 333.74 333.63 333.64 333.49

11 12 13 14 15

333.59 333.56 333.62 333.59 333.62

333.31 333.38 333.45 333.51 333.55

333.47 333.49 333.54 333.57 333.58

333.69 333.66 334.39 334.39 334.02

333.49 333.49 333.62 334.02 333.68

333.57 333.58 334.00 334.20 333.84

337.00 335.44 334.49 334.17 334.07

335.44 334.49 334.16 334.07 333.98

336.42 334.90 334.30 334.10 334.01

333.75 333.84 333.81 334.85 334.92

332.88 333.05 333.47 333.60 334.43

333.41 333.61 333.57 334.14 334.75

16 17 18 19 20

333.56 333.54 333.25 333.31 333.53

333.44 333.25 333.16 333.14 333.31

333.51 333.38 333.21 333.22 333.47

333.70 333.76 333.69 333.61 333.63

333.61 333.61 333.55 333.54 333.56

333.66 333.67 333.60 333.57 333.62

334.01 334.00 333.79 333.74 333.80

333.87 333.79 333.66 333.56 333.36

333.95 333.89 333.73 333.65 333.50

334.43 333.98 333.87 333.85 ---

333.97 333.74 333.58 333.65 ---

334.18 333.88 333.70 333.73 ---

21 22 23 24 25

333.54 333.44 333.41 333.51 333.39

333.44 333.27 333.27 333.38 333.24

333.50 333.38 333.38 333.45 333.31

333.64 333.59 333.62 333.68 333.91

333.55 333.47 333.37 333.57 333.67

333.60 333.56 333.45 333.64 333.79

333.78 333.91 333.94 334.79 334.72

333.37 333.78 333.83 333.94 334.33

333.62 333.85 333.86 334.49 334.50

333.69 333.74 333.75 --333.53

333.55 333.60 333.40 --333.42

333.63 333.64 333.61 --333.48

26 27 28 29 30 31

333.48 333.43 333.43 333.50 333.50 333.48

333.23 333.30 333.32 333.28 333.42 333.38

333.38 333.39 333.39 333.42 333.47 333.44

334.01 333.85 333.78 333.76 333.69 ---

333.85 333.73 333.69 333.64 333.57 ---

333.96 333.77 333.73 333.73 333.63 ---

334.33 334.07 333.87 333.91 333.91 333.84

334.07 333.87 333.76 333.85 333.78 333.72

334.20 333.97 333.82 333.87 333.82 333.77

333.62 333.58 333.60 333.62 333.60 333.67

333.47 333.35 333.47 333.51 333.47 333.47

333.56 333.46 333.54 333.55 333.54 333.59

MONTH 334.39

333.14

333.56

335.43

333.04

333.78

337.00

333.36

334.01

---

---

---

OCTOBER

MIN NOVEMBER

MIN DECEMBER

MEAN

JANUARY

165

SANTEE RIVER BASIN 02156449 NEAL SHOALS RESERVIOR NEAR CARLISLE, SC--Continued Gage height, feet WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

MEAN

MAX

MIN

MEAN

MAX

MIN

MEAN

MAX

MIN

1 2 3 4 5

333.72 333.73 333.72 333.91 333.84

333.49 333.46 333.45 333.71 333.70

333.56 333.55 333.61 333.87 333.75

334.96 334.64 334.26 333.90 333.80

334.64 334.17 333.77 333.57 333.57

334.80 334.35 333.99 333.74 333.72

334.73 334.44 334.23 334.12 333.90

334.43 334.16 334.12 333.89 333.68

334.55 334.29 334.18 333.97 333.81

332.99 332.99 332.97 332.87 332.82

332.88 332.88 332.63 332.70 332.52

332.96 332.94 332.82 332.79 332.61

6 7 8 9 10

333.70 333.53 333.56 333.70 333.73

333.47 333.43 333.23 333.46 333.31

333.62 333.47 333.38 333.60 333.55

333.85 333.58 333.91 333.96 333.86

333.58 333.32 333.43 333.65 333.42

333.73 333.46 333.55 333.82 333.60

333.89 333.85 333.99 334.02 333.99

333.75 333.69 333.82 333.81 333.85

333.82 333.81 333.87 333.95 333.94

332.87 332.66 332.53 332.74 332.57

332.46 332.33 332.22 332.06 331.93

332.70 332.51 332.41 332.31 332.31

11 12 13 14 15

333.72 333.65 333.59 333.54 333.38

333.64 333.49 333.29 333.02 332.80

333.68 333.54 333.44 333.42 333.16

333.60 333.66 333.60 333.46 333.50

333.30 333.39 333.45 333.24 333.28

333.44 333.55 333.53 333.35 333.41

333.85 333.81 334.26 334.54 334.56

333.50 333.53 333.81 334.26 334.40

333.70 333.68 333.97 334.38 334.49

333.24 332.60 332.58 332.07 332.28

331.69 331.72 331.91 331.79 331.85

332.62 332.13 332.26 331.88 332.10

16 17 18 19 20

333.42 333.60 333.64 333.51 333.53

333.28 333.32 333.33 333.40 333.41

333.36 333.46 333.50 333.45 333.49

333.82 334.11 334.05 333.85 333.69

333.50 333.82 333.72 333.53 333.51

333.67 334.03 333.87 333.70 333.59

334.41 334.11 333.91 333.43 333.30

334.09 333.91 333.27 333.22 332.49

334.21 334.01 333.59 333.32 332.92

332.08 332.10 332.25 332.25 332.54

331.84 331.92 332.08 332.04 332.09

331.97 332.02 332.17 332.15 332.34

21 22 23 24 25

333.54 333.98 333.99 333.90 333.95

333.27 333.51 333.63 333.68 333.71

333.39 333.75 333.79 333.73 333.82

333.51 333.52 334.21 334.30 334.09

333.28 333.31 333.45 334.09 333.89

333.40 333.41 333.68 334.20 333.97

333.07 332.79 332.97 332.86 332.87

330.35 330.00 332.62 332.72 332.50

332.35 331.25 332.81 332.78 332.69

332.90 332.64 332.29 332.26 332.91

332.26 332.28 332.08 331.97 331.97

332.65 332.45 332.20 332.13 332.33

26 27 28 29 30 31

333.77 333.70 334.81 -------

333.59 333.60 333.59 -------

333.69 333.63 334.07 -------

333.90 333.81 336.78 337.03 336.48 334.83

333.75 333.68 333.75 336.48 334.83 334.49

333.82 333.75 335.35 336.88 335.52 334.61

332.87 332.95 333.19 332.66 332.88 ---

332.79 332.84 332.52 332.24 332.66 ---

332.83 332.91 332.93 332.45 332.80 ---

332.62 332.05 332.08 332.07 331.86 332.42

332.05 331.77 331.90 331.86 331.62 331.70

332.29 331.86 331.99 331.99 331.70 332.05

MONTH 334.81

332.80

333.58

337.03

333.24

333.98

334.73

330.00

333.48

333.24

331.62

332.31

MIN

MEAN

MAX

MIN

MEAN

MAX

MIN

MEAN

FEBRUARY

DAY

MAX

MARCH

JUNE

APRIL

Gage height, feet MIN MEAN MAX JULY

MEAN

MAY

AUGUST

SEPTEMBER

1 2 3 4 5

332.70 333.67 333.74 333.16 332.64

331.99 332.03 333.15 332.61 332.31

332.32 332.96 333.40 332.90 332.53

333.36 332.71 332.41 332.31 332.94

332.64 332.31 331.87 331.78 332.31

332.91 332.45 332.09 331.99 332.75

332.85 332.38 332.32 332.43 332.00

332.09 332.12 331.51 332.00 331.77

332.39 332.21 331.95 332.17 331.82

332.39 331.85 331.98 331.79 331.57

331.55 331.31 331.78 331.25 331.15

331.82 331.64 331.85 331.59 331.37

6 7 8 9 10

332.60 333.30 333.27 332.92 332.95

332.13 332.02 332.15 331.84 332.36

332.34 332.65 333.03 332.33 332.63

333.16 333.23 336.60 336.97 335.52

332.47 332.56 333.23 335.52 333.80

332.73 332.80 335.59 336.49 334.56

331.93 332.01 332.80 333.15 333.74

331.63 331.75 331.70 332.80 332.97

331.79 331.87 332.07 333.00 333.33

331.42 331.54 331.78 331.46 331.52

331.04 330.80 331.46 331.19 331.38

331.26 331.11 331.66 331.35 331.46

11 12 13 14 15

332.59 332.30 331.84 332.21 332.08

332.18 331.79 331.52 331.57 331.76

332.37 332.01 331.65 331.92 331.91

334.02 333.40 333.70 333.88 ---

333.39 333.24 333.25 333.42 ---

333.72 333.30 333.43 333.66 ---

333.70 332.74 332.31 332.23 332.62

332.74 332.22 332.20 331.91 331.90

333.20 332.41 332.25 332.08 332.17

331.59 331.41 331.42 331.29 331.86

331.41 330.98 331.23 330.87 331.23

331.52 331.17 331.36 331.15 331.42

16 17 18 19 20

331.76 331.80 331.73 331.76 331.76

331.45 331.22 331.53 331.03 331.13

331.53 331.56 331.62 331.45 331.46

------333.17 332.98

------332.68 332.62

------332.90 332.81

332.34 332.27 332.51 332.54 332.16

331.48 331.54 332.24 332.15 332.04

331.79 331.87 332.39 332.32 332.10

331.57 331.58 331.46 331.45 331.62

331.39 331.20 331.13 330.99 330.99

331.53 331.50 331.36 331.18 331.18

21 22 23 24 25

331.80 331.76 331.76 331.78 331.91

331.31 331.19 331.13 331.13 331.77

331.48 331.42 331.49 331.43 331.83

332.62 332.59 332.56 332.54 332.69

332.52 332.32 332.36 332.39 332.16

332.57 332.47 332.46 332.51 332.31

332.06 331.79 332.18 332.53 332.47

331.26 330.93 331.75 331.92 331.53

331.71 331.55 331.87 332.12 331.99

331.95 331.99 331.52 331.62 331.48

330.93 331.51 331.24 331.30 331.00

331.34 331.67 331.40 331.49 331.13

26 27 28 29 30 31

331.91 331.84 333.95 333.99 333.65 ---

331.79 331.63 331.84 333.46 333.36 ---

331.87 331.78 332.73 333.73 333.53 ---

332.49 332.61 332.25 332.65 333.12 333.02

331.72 332.04 331.98 332.25 332.65 332.62

332.01 332.21 332.12 332.44 332.94 332.82

331.79 331.84 331.93 332.06 332.06 331.94

331.08 331.73 331.73 331.66 331.90 331.74

331.60 331.79 331.84 331.87 331.95 331.85

331.37 331.45 331.72 331.65 331.60 ---

331.15 331.07 331.45 331.15 331.24 ---

331.27 331.26 331.60 331.32 331.48 ---

MONTH 333.99

331.03

332.20

---

---

---

333.74

330.93

332.11

332.39

330.80

331.41

166

SANTEE RIVER BASIN 02156500 BROAD RIVER NEAR CARLISLE, SC

LOCATION.--Lat 34°35'46'', long 81°25'20'', Union County, Hydrologic Unit 03050106, on right bank at downstream side of bridge on State Highway 72, 1.3 mi upstream from Sandy River, 2.0 mi downstream from Seaboard Coast Line Railroad bridge, 2.5 mi east of Carlisle, 5.0 mi downstream from Neal Shoals Dam, and at mile 226.0. DRAINAGE AREA.--2,790 mi2, approximately. WATER-DISCHARGE RECORDS PERIOD OF RECORD.--October 1938 to current year. Monthly discharge only for some periods, published in WSP 1303. REVISED RECORDS.--WSP 892: 1939(M), drainage area. GAGE.--Data collection platform. Datum of gage is 290.79 ft above NGVD of 1929. REMARKS.--Records good except for estimated daily discharges, which are poor. Some regulation at low and medium flow by powerplants above station. Capacity of reservoirs insufficient to affect monthly figures of runoff. Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

5830 5000 4750 4290 3480

2090 1930 2470 3810 12000

3290 3410 3240 3290 e2990

3720 3510 2890 3020 3530

3280 3170 3360 4280 3900

10100 7270 5410 4280 4020

8490 6860 6030 5230 4550

3490 3500 3230 3120 2840

2520 5140 6080 4680 3730

5060 4140 3570 3150 4770

3480 3390 2790 2660 2380

2100 1840 2130 1800 1460

6 7 8 9 10

3580 3310 2950 3090 2980

7290 5190 3920 3310 3580

e2660 3100 3940 3570 12000

3740 3760 3380 3480 2950

3440 2940 2720 3260 3230

3930 3330 3600 4600 3860

4570 4500 4600 5200 4950

3040 2930 2760 2430 2540

3090 2630 3490 3170 4260

4760 4970 19600 28900 11800

2350 2410 2360 3550 5640

1400 1270 1970 1500 1600

11 12 13 14 15

2630 2730 2830 2900 2970

2930 2910 4290 5480 3880

25500 10700 6450 5340 4900

2740 3390 3300 5340 9180

3600 3170 2910 2850 2130

3300 3590 3290 3040 2870

4230 4160 5190 7190 7830

3330 2580 2720 2570 2850

4300 3940 3510 3720 3830

5860 4980 5090 5880 7870

6050 4000 3170 2890 2880

1670 1310 1330 1080 1480

16 17 18 19 20

2760 2430 1970 1940 2560

3190 3220 3050 2970 3110

4590 4420 3750 3500 3030

5880 4410 3660 3790 3440

2640 2920 3010 2870 2980

3760 5280 4840 4100 3500

6280 5080 4370 4300 4190

2510 2600 2790 2700 3000

3430 2950 2650 2920 2810

8300 5370 4320 3970 3780

2490 2030 2420 2870 3020

1710 1720 1500 1310 1120

21 22 23 24 25

2700 2420 e2270 e2400 e2170

3100 2970 2640 3200 3640

3210 4060 4190 7100 7550

3430 3500 3530 2790 2950

2760 3810 4200 3900 4360

3220 3050 4030 6050 4960

4350 3260 3660 3370 3340

3530 3300 2770 2630 2640

3150 3000 2730 2120 2240

3460 3280 3150 3170 2950

2690 1970 2130 3210 2630

952 1800 1430 1370 1080

26 27 28 29 30 31

e2160 2390 2410 2430 2600 2520

4340 3640 3500 3480 3160 ---

5820 4690 4000 4190 4040 3870

3220 2920 3160 3180 3190 3300

3890 3550 5550 -------

4300 4100 15000 31200 17100 8710

3410 3520 3670 2700 3220 ---

2600 2320 2420 2390 2060 2070

2340 2150 4230 7700 5940 ---

2580 2720 2580 2840 3500 3430

2140 2040 2120 2190 2350 2160

1090 1110 1640 1380 1430 ---

TOTAL MEAN MAX MIN CFSM IN.

91450 2950 5830 1940 1.06 1.22

114290 3810 12000 1930 1.37 1.52

166390 5367 25500 2660 1.92 2.22

114280 3686 9180 2740 1.32 1.52

94680 3381 5550 2130 1.21 1.26

189690 6119 31200 2870 2.19 2.53

142300 4743 8490 2700 1.70 1.90

86260 2783 3530 2060 1.00 1.15

108450 3615 7700 2120 1.30 1.45

179800 5800 28900 2580 2.08 2.40

88460 2854 6050 1970 1.02 1.18

44582 1486 2130 952 0.53 0.59

2780 8092 1941 535 2002

2904 9495 1949 375 2002

2522 11010 2004 628 1954

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1939 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

3023 14720 1965 562 1955

3014 8651 1958 815 2002

3745 7549 1946 1150 2002

4763 10610 1978 1220 1956

5585 13040 1960 1546 2001

6164 14920 1952 2399 1988

5133 11660 2003 1889 2002

3837 10220 2003 1314 2001

3182 6763 1973 687 2002

167

SANTEE RIVER BASIN 02156500 BROAD RIVER NEAR CARLISLE, SC--Continued SUMMARY STATISTICS

FOR 2004 CALENDAR YEAR

ANNUAL TOTAL ANNUAL MEAN HIGHEST ANNUAL MEAN LOWEST ANNUAL MEAN HIGHEST DAILY MEAN LOWEST DAILY MEAN ANNUAL SEVEN-DAY MINIMUM MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE ANNUAL RUNOFF (CFSM) ANNUAL RUNOFF (INCHES) 10 PERCENT EXCEEDS 50 PERCENT EXCEEDS 90 PERCENT EXCEEDS

FOR 2005 WATER YEAR

1379091 3768

1420632 3892

e 68500 921 1360

Sep 9 Aug 31 Aug 5

31200 952 1260 32900 15.62 1.40 18.94 5710 3280 2080

1.35 18.39 5240 2660 1580

Mar 29 Sep 21 Sep 21 Jul 9 Jul 9

WATER YEARS 1939 - 2005 3880 5977 1255 114000 44 220 a 123000 31.51 1.39 18.89 6680 2830 1300

1965 2002 Oct 10 1976 Sep 2 1956 Aug 9 2002 Oct 10 1976 Oct 10 1976

a

From rating curve extended above 66,000 ft3/s on basis of computation of peak flow over Neal Shoals Dam.

e

Estimated 100,000

50,000

DISCHARGE, IN CUBIC FEET PER SECOND

20,000

10,000

5000

2000

1000

500

200

100

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

168

SANTEE RIVER BASIN 02156500 BROAD RIVER NEAR CARLISLE, SC--Continued WATER-QUALITY RECORDS

PERIOD OF RECORD.--Water years 1948, 1963-64, 1969 to current year. PERIOD OF DAILY RECORD.-SPECIFIC CONDUCTANCE: October 1973 to current year. pH: October 1973 to current year. WATER TEMPERATURE: October 1973 to current year. DISSOLVED OXYGEN: October 1973 to current year. INSTRUMENTATION.--Water-quality multiprobe and data collection platform. REMARKS.--Specific conductance records rated excellent except for Oct. 18-23, which are good, and Nov. 10-18, Feb 17-21, which are fair. pH records rated excellent except for Oct. 1 to Nov. 18, which are good. Temperature records rated excellent except for Oct. 1, Nov. 9-18, which are good. Dissolved oxygen records rated excellent except for Jan. 18-26, Apr. 27-29, May 17-29, Aug. 1-3, 16-19, Sep. 18-22, which are good, Oct. 6-22, Apr. 30 to May 2, May 30 to June 6, Aug. 20-22, which are fair, and Aug. 23-26, which is poor. EXTREMES FOR PERIOD OF DAILY RECORD.-SPECIFIC CONDUCTANCE: Maximum, 471 microsiemens, Aug. 27, 1987; minimum, 16 microsiemens, Mar. 18, 1990. pH: Maximum, 9.2 units, Jun. 25, 1986; minimum, 5.1 units, Aug. 6, 7, 1992, Apr. 27, 2002. WATER TEMPERATURE: Maximum, 35.5°C, Jul. 13, 1992; minimum, less than 0.5°C, Dec. 24-26,1989, Jan. 20, 1994, Jan. 3, 4, 2001. DISSOLVED OXYGEN: Maximum, 15.4 mg/L, Jan. 3, 2001, Jan. 11, 1993; minimum, 3.0 mg/L, Jul. 6, 1994. EXTREMES FOR CURRENT YEAR.-SPECIFIC CONDUCTANCE: Maximum, 124 microsiemens, Sep. 29, 30; minimum, 24 microsiemens, July 9. pH: Maximum, 8.1 units, May 9, 10, Sep. 14; minimum, 6.5 units, July 8. WATER TEMPERATURE: Maximum, 30.9°C, July 27, 28; minimum, 3.4°C, Jan. 20. DISSOLVED OXYGEN: Maximum measured, 14.4 mg/L, Dec. 28, 29; minimum measured, 6.0 mg/L, Oct. 21. Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

MEAN

MAX

OCTOBER

MIN

MEAN

MAX

NOVEMBER

MIN

MEAN

MAX

DECEMBER

MIN

MEAN

JANUARY

1 2 3 4 5

--66 69 73 75

--63 65 69 69

--65 68 70 72

95 95 96 103 91

92 92 91 91 64

94 93 92 100 73

72 74 77 80 79

68 71 74 77 75

70 73 76 79 76

66 66 68 72 75

61 64 64 66 72

64 65 66 68 74

6 7 8 9 10

79 82 82 83 86

74 76 79 80 81

75 79 80 82 84

67 67 68 71 81

64 64 65 67 68

65 65 67 70 75

79 79 81 79 75

74 77 78 73 45

76 78 79 77 68

73 71 71 76 75

69 68 69 69 73

71 69 70 73 74

11 12 13 14 15

87 86 85 83 86

83 83 76 75 81

84 84 82 79 83

85 88 93 90 79

74 76 79 71 66

80 82 85 80 72

54 55 59 63 64

44 53 55 59 63

49 54 57 60 63

82 82 79 78 77

73 77 74 73 63

76 80 78 75 71

16 17 18 19 20

91 84 85 86 90

81 81 82 84 86

86 82 83 85 89

80 85 84 81 84

69 74 76 77 80

74 80 79 80 82

67 71 73 77 84

64 67 71 72 76

65 69 72 76 80

64 66 70 74 76

60 61 66 69 73

62 63 69 73 74

21 22 23 24 25

93 93 -------

90 90 -------

92 91 -------

83 81 83 86 85

80 79 81 79 78

81 80 82 82 82

84 80 77 76 69

78 73 73 69 55

80 75 75 73 60

76 79 79 79 82

73 76 76 77 77

74 78 78 77 79

26 27 28 29 30 31

--94 95 94 95 96

--91 93 91 92 92

--93 94 92 94 94

81 76 71 65 69 ---

75 70 64 64 64 ---

78 74 68 64 66 ---

56 56 61 62 63 64

53 55 56 57 57 61

54 56 59 60 61 63

82 84 84 84 84 83

80 80 81 82 81 81

81 82 82 83 82 81

MONTH

---

---

---

103

64

78

84

44

68

84

60

74

169

SANTEE RIVER BASIN 02156500 BROAD RIVER NEAR CARLISLE, SC--Continued Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

88 88 89 85 85

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

MIN

82 87 85 81 82

85 88 87 83 83

75 64 64 69 73

56 52 60 64 69

67 58 62 66 71

61 64 66 68 70

56 61 64 66 68

59 63 65 67 69

----80 78 81

----77 76 76

----79 77 78

85 83 85 87 88

81 82 81 84 84

83 82 83 85 87

75 78 81 78 77

73 75 75 75 74

74 77 76 76 76

72 72 73 75 75

70 71 71 72 72

71 72 72 74 73

84 83 84 86 86

78 81 81 83 82

81 82 83 84 84

11 12 13 14 15

86 83 83 87 89

82 80 80 82 87

83 81 81 84 88

79 82 84 81 85

75 76 81 79 80

77 79 83 80 83

77 79 ----69

70 75 ----63

72 76 ----66

87 87 90 87 89

84 81 79 83 84

86 85 83 84 86

16 17 18 19 20

93 101 103 102 96

85 93 91 91 89

89 98 97 99 94

86 81 80 79 79

81 77 78 76 77

83 79 79 78 78

67 66 69 71 72

63 63 65 69 71

65 64 67 70 71

89 90 86 87 87

86 85 83 84 82

88 88 85 85 85

21 22 23 24 25

102 90 88 83 80

87 85 83 76 77

93 88 85 80 78

82 88 83 82 78

78 81 78 78 74

80 83 81 80 76

75 80 80 83 85

71 74 74 77 81

72 77 78 81 83

85 90 86 84 83

81 84 83 82 80

83 87 84 83 81

26 27 28 29 30 31

81 81 82 -------

79 79 74 -------

80 80 76 -------

77 78 74 55 51 58

75 74 55 46 47 51

76 75 63 48 50 54

86 80 80 82 91 ---

80 76 77 80 79 ---

84 77 79 81 85 ---

87 90 90 93 105 94

80 84 87 88 93 88

84 88 88 90 95 90

MONTH

103

74

86

88

46

73

---

---

---

---

---

---

Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN

MEAN

FEBRUARY

DAY

MIN MARCH

JUNE

MIN APRIL

JULY

MEAN

MAY

AUGUST

SEPTEMBER

1 2 3 4 5

95 86 76 70 72

86 75 70 68 67

90 78 73 69 70

63 67 70 72 71

61 63 66 70 63

62 64 67 71 69

81 79 78 77 ---

79 78 74 73 ---

80 78 76 75 ---

83 85 89 90 89

80 81 84 87 87

81 82 86 89 88

6 7 8 9 10

71 73 73 76 81

68 70 70 73 73

70 71 72 74 76

63 57 54 40 48

54 54 26 24 40

58 55 42 33 43

-----------

-----------

-----------

90 94 96 96 94

87 89 84 85 84

87 90 89 92 87

11 12 13 14 15

81 80 79 78 76

75 75 77 75 72

77 79 77 77 74

51 52 55 56 59

48 48 51 53 55

49 50 53 55 57

--67 71 75 78

--56 67 70 73

--62 70 73 75

85 87 91 99 95

81 80 87 90 90

84 83 88 93 92

16 17 18 19 20

73 76 78 83 85

72 73 74 77 81

73 75 76 79 83

55 59 64 67 67

49 54 59 64 65

51 56 61 66 66

81 79 89 88 92

77 76 77 82 84

79 77 83 86 89

103 106 109 106 102

95 103 105 99 97

98 105 107 101 99

21 22 23 24 25

85 91 84 83 87

79 84 81 79 83

82 88 82 81 84

71 75 78 -----

66 71 73 -----

69 74 76 -----

84 82 84 92 98

81 78 80 83 78

82 80 81 86 90

106 109 114 116 116

97 97 109 111 106

99 102 112 113 112

26 27 28 29 30 31

94 96 96 93 62 ---

87 91 89 61 60 ---

89 93 92 70 62 ---

77 81 81 79 81 80

75 74 78 75 76 79

76 77 79 77 78 79

--85 90 90 90 87

--81 81 85 87 82

--83 85 87 88 84

112 112 117 124 124 ---

106 109 110 116 118 ---

109 110 114 119 121 ---

MONTH

96

60

78

---

---

---

---

---

---

124

80

98

170

SANTEE RIVER BASIN 02156500 BROAD RIVER NEAR CARLISLE, SC--Continued pH, water, unfiltered, field, standard units WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

1 2 3 4 5

7.2 7.2 7.3 7.3 7.3

7.2 7.2 7.2 7.1 6.7

7.3 7.3 7.3 7.3 7.2

7.0 6.9 7.0 7.2 6.8

7.5 7.5 7.5 7.5 7.5

7.4 7.4 7.4 7.4 7.3

7.3 7.3 7.3 7.3 7.4

7.2 7.2 7.2 7.2 7.3

7.5 7.5 7.4 7.4 7.4

7.4 7.4 7.4 7.4 7.4

7.3 7.2 7.3 7.4 7.4

7.2 7.2 7.2 7.3 7.3

6 7 8 9 10

7.3 7.2 7.1 7.2 7.4

6.8 7.1 6.8 7.0 7.1

7.0 7.1 7.2 7.2 7.3

6.8 7.0 7.0 7.0 7.0

7.4 7.4 7.5 7.4 7.4

7.3 7.3 7.4 7.3 6.8

7.4 7.4 7.4 7.4 7.5

7.3 7.3 7.3 7.3 7.3

7.5 7.5 7.5 7.5 7.6

7.4 7.4 7.4 7.4 7.4

7.5 7.5 7.4 7.4 7.5

7.4 7.4 7.3 7.4 7.4

11 12 13 14 15

7.3 7.2 7.3 7.4 7.4

7.0 6.9 6.9 7.3 7.2

7.2 7.3 7.4 7.4 7.3

7.0 7.1 7.2 7.2 7.1

6.9 7.0 7.1 7.1 7.2

6.8 6.9 7.0 7.1 7.1

7.4 7.5 7.5 7.4 7.3

7.3 7.3 7.4 7.3 7.2

7.6 7.7 7.6 7.5 7.6

7.4 7.4 7.4 7.4 7.3

7.5 7.6 7.7 7.6 7.8

7.4 7.4 7.4 7.4 7.4

16 17 18 19 20

7.4 7.2 7.2 7.3 7.2

7.2 6.9 6.7 6.8 6.9

7.3 7.4 7.4 7.4 7.4

7.1 7.1 7.2 7.4 7.4

7.2 7.2 7.2 7.3 7.3

7.2 7.2 7.2 7.2 7.3

7.2 7.3 7.4 7.4 7.4

7.2 7.2 7.3 7.3 7.4

7.7 7.8 7.8 7.8 7.7

7.4 7.5 7.5 7.5 7.5

7.5 7.4 7.4 7.5 7.6

7.4 7.3 7.4 7.4 7.4

21 22 23 24 25

7.3 7.2 -------

7.1 6.8 -------

7.4 7.4 7.4 7.4 7.5

7.4 7.3 7.3 7.4 7.4

7.3 7.3 7.3 7.3 7.3

7.3 7.3 7.3 7.3 7.2

7.4 7.4 7.4 7.4 7.4

7.3 7.4 7.4 7.3 7.4

7.5 7.5 7.6 7.4 7.4

7.3 7.4 7.4 7.4 7.4

7.6 7.6 7.5 7.5 7.5

7.4 7.4 7.4 7.4 7.3

26 27 28 29 30 31

--7.1 7.1 7.1 7.3 7.3

--6.9 6.9 7.0 7.0 7.1

7.5 7.4 7.4 7.4 7.5 ---

7.4 7.4 7.4 7.4 7.4 ---

7.2 7.2 7.3 7.3 7.3 7.3

7.2 7.2 7.2 7.2 7.2 7.2

7.5 7.5 7.5 7.5 7.5 7.5

7.4 7.4 7.4 7.4 7.4 7.4

7.5 7.5 7.4 -------

7.4 7.4 7.3 -------

7.5 7.4 7.3 7.0 6.9 6.8

7.4 7.3 6.9 6.8 6.7 6.8

MONTH

---

---

7.5

6.8

7.5

6.8

7.5

7.2

7.8

7.3

7.8

6.7

DAY

MAX

MIN

MAX

MAX

MIN

MAX

MIN

OCTOBER

MAX

MIN

NOVEMBER

APRIL

MAX

MIN

DECEMBER

MAX

MIN

JANUARY

pH, water, unfiltered, field, standard units MIN MAX MIN MAX MIN MAY

JUNE

JULY

MAX

MIN

FEBRUARY

AUGUST

MAX

MIN

MARCH

SEPTEMBER

1 2 3 4 5

6.9 7.0 7.0 7.1 7.1

6.8 6.9 7.0 7.0 7.0

7.4 7.8 7.8 8.0 7.8

7.1 7.1 7.5 7.5 7.5

7.6 7.5 7.4 7.4 7.4

7.4 7.3 7.3 7.3 7.3

7.1 7.1 7.1 7.2 7.2

7.1 7.1 7.1 7.1 7.1

7.2 7.2 7.3 7.3 ---

7.1 7.2 7.2 7.2 ---

7.6 7.6 7.6 7.6 7.6

7.3 7.3 7.3 7.3 7.3

6 7 8 9 10

7.2 7.2 7.2 7.2 7.2

7.0 7.1 7.1 7.1 7.1

7.8 7.9 8.0 8.1 8.1

7.5 7.5 7.5 7.4 7.4

7.4 7.4 7.4 7.3 7.1

7.1 7.1 7.1 7.1 7.0

7.2 7.2 7.2 6.7 6.8

7.1 7.1 6.5 6.6 6.7

-----------

-----------

7.6 7.7 7.6 7.7 7.7

7.3 7.3 7.4 7.4 7.4

11 12 13 14 15

7.2 7.1 7.2 7.2 7.2

7.1 7.1 7.1 7.2 7.2

7.8 8.0 7.7 7.7 7.7

7.5 7.4 7.4 7.4 7.4

7.1 7.1 7.1 7.2 7.2

7.0 7.0 7.1 7.1 7.1

7.0 6.9 7.0 7.1 7.1

6.8 6.8 6.9 7.0 7.0

--7.1 7.2 7.3 7.3

--6.9 7.1 7.2 7.2

7.7 7.8 7.8 8.1 7.8

7.4 7.3 7.3 7.3 7.3

16 17 18 19 20

7.2 7.2 7.2 7.1 7.2

7.1 7.1 7.1 7.1 7.0

7.8 7.7 7.7 7.6 7.5

7.4 7.4 7.4 7.4 7.4

7.2 7.2 7.2 7.2 7.3

7.1 7.1 7.1 7.2 7.2

7.0 7.0 7.0 7.1 7.1

6.8 6.9 6.9 7.0 7.0

7.3 7.3 7.4 7.4 7.4

7.2 7.2 7.2 7.3 7.2

7.7 7.7 7.7 7.7 7.6

7.3 7.3 7.3 7.3 7.3

21 22 23 24 25

7.1 7.2 7.3 7.4 7.4

7.1 7.0 7.0 7.1 7.1

7.5 7.6 7.5 7.6 7.7

7.4 7.4 7.4 7.4 7.5

7.2 7.2 7.2 7.3 7.3

7.1 7.2 7.2 7.1 7.1

7.1 7.2 7.2 7.2 7.2

7.0 7.1 7.1 7.1 7.1

7.4 7.3 7.5 7.3 7.5

7.2 7.2 7.2 7.3 7.3

7.7 7.5 7.7 7.6 7.6

7.3 7.4 7.3 7.3 7.4

26 27 28 29 30 31

7.4 7.4 7.4 7.5 7.4 ---

7.2 7.2 7.2 7.2 7.2 ---

7.7 7.7 7.6 7.6 7.5 7.7

7.5 7.5 7.5 7.5 7.4 7.4

7.4 7.3 7.3 7.2 7.1 ---

7.2 7.2 7.2 7.0 7.1 ---

7.2 7.2 7.3 7.3 7.2 7.2

7.1 7.1 7.2 7.2 7.1 7.2

7.3 7.5 7.7 7.5 7.5 7.6

7.2 7.3 7.3 7.3 7.4 7.3

7.6 7.7 7.6 7.7 7.6 ---

7.4 7.4 7.3 7.4 7.4 ---

MONTH

7.5

6.8

8.1

7.1

7.6

7.0

7.3

6.5

---

---

8.1

7.3

171

SANTEE RIVER BASIN 02156500 BROAD RIVER NEAR CARLISLE, SC--Continued Temperature, water, degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

21.6 21.8 22.0 22.3 22.2

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

20.7 21.0 21.1 21.4 21.3

21.1 21.4 21.6 21.9 21.7

20.5 20.8 20.8 20.7 19.7

19.2 19.4 19.7 19.7 17.1

19.7 20.0 20.3 20.4 18.3

10.8 10.4 10.0 9.4 8.7

10.0 9.7 9.2 8.6 8.0

10.4 10.1 9.6 9.0 8.3

7.4 8.5 9.2 10.0 11.0

6.2 7.2 8.3 9.0 9.8

6.8 7.8 8.7 9.5 10.4

21.9 20.8 20.3 19.9 20.3

20.4 20.1 19.3 19.2 19.3

21.0 20.4 19.8 19.6 19.9

17.1 15.8 15.0 14.4 13.7

15.8 14.9 14.3 13.6 12.8

16.4 15.3 14.7 14.0 13.2

8.4 10.0 10.8 11.3 11.7

8.2 8.4 9.8 10.6 10.9

8.3 9.1 10.4 10.9 11.3

12.0 12.1 12.4 12.1 11.8

10.9 11.2 11.8 11.6 10.9

11.4 11.8 12.1 11.8 11.4

11 12 13 14 15

20.7 20.5 20.8 20.3 19.9

19.7 19.9 20.2 19.7 18.7

20.2 20.2 20.5 20.0 19.4

12.9 12.7 12.8 12.6 12.0

12.2 12.2 12.3 11.9 11.0

12.6 12.4 12.6 12.4 11.6

11.3 10.9 10.4 9.8 8.3

10.9 10.4 9.8 8.3 6.9

11.1 10.6 10.1 9.0 7.5

11.4 12.1 13.3 13.3 13.1

10.7 11.0 11.7 13.0 11.1

11.1 11.5 12.3 13.2 12.2

16 17 18 19 20

18.7 17.9 18.0 18.2 18.5

17.8 16.9 17.2 17.1 17.5

18.2 17.4 17.5 17.6 17.9

11.5 10.8 10.5 11.7 13.0

10.6 9.7 9.6 10.4 11.7

10.9 10.3 10.2 11.0 12.3

6.9 6.2 6.1 6.1 5.6

6.1 5.6 5.4 5.5 4.3

6.4 5.9 5.8 5.8 4.8

11.1 9.5 7.5 5.9 4.3

9.5 7.5 5.9 4.2 3.4

10.2 8.5 6.6 4.8 4.0

21 22 23 24 25

18.1 18.4 -------

17.8 17.8 -------

18.0 18.1 -------

14.1 14.8 15.2 15.8 15.8

13.0 14.1 14.8 15.2 14.6

13.6 14.4 15.0 15.6 15.4

4.5 5.0 6.8 7.4 7.4

3.9 3.5 5.0 6.4 6.7

4.2 4.2 6.1 6.8 7.2

5.2 5.2 5.3 4.7 4.4

4.2 5.0 4.5 3.9 3.6

4.7 5.1 4.9 4.3 4.0

26 27 28 29 30 31

--18.0 17.9 17.6 18.6 19.5

--17.6 17.6 17.4 17.6 18.2

--17.7 17.7 17.5 18.1 18.9

14.6 12.8 11.1 10.4 10.0 ---

12.8 11.1 10.4 9.7 9.4 ---

13.7 11.7 10.7 10.1 9.7 ---

6.7 5.3 4.7 4.8 5.7 6.3

5.3 4.6 4.0 3.9 4.6 5.4

6.0 5.0 4.4 4.4 5.1 5.8

5.5 6.2 5.8 5.5 4.9 5.4

4.2 5.2 5.4 4.5 4.4 4.5

4.8 5.7 5.6 4.9 4.6 5.0

MONTH

---

---

---

20.8

9.4

13.9

11.7

3.5

7.5

13.3

3.4

8.1

DAY

MAX

MIN

MEAN

Temperature, water, degrees Celsius MAX MIN MEAN MAX MIN

MEAN

MAX

MIN

MEAN

OCTOBER

MIN NOVEMBER

FEBRUARY

MIN DECEMBER

MARCH

MIN

MEAN

JANUARY

APRIL

MAY

1 2 3 4 5

5.9 5.6 5.5 6.0 6.2

5.0 5.3 5.2 5.1 5.0

5.4 5.5 5.3 5.5 5.7

8.2 7.6 7.8 8.1 9.2

7.4 6.8 6.6 6.7 7.7

7.7 7.2 7.2 7.6 8.5

14.3 14.8 14.2 14.6 15.8

14.1 13.9 13.0 13.0 13.8

14.2 14.3 13.7 13.9 14.9

18.5 19.1 18.9 18.9 18.8

16.8 17.5 17.4 17.3 17.5

17.8 18.5 18.3 18.3 17.9

6 7 8 9 10

6.8 7.5 8.3 8.9 9.7

5.6 6.2 7.1 8.3 8.6

6.3 6.9 7.6 8.5 9.0

10.0 10.8 11.6 11.1 10.6

8.5 9.2 10.7 10.0 9.4

9.3 10.1 11.1 10.6 10.1

16.6 17.1 17.4 18.0 18.4

14.9 16.2 16.8 16.8 17.0

15.9 16.6 17.0 17.4 17.8

18.0 18.6 19.7 20.8 21.5

16.7 16.8 17.9 19.2 20.3

17.5 17.8 18.9 20.1 20.8

11 12 13 14 15

9.2 8.4 7.7 7.5 8.1

8.2 7.3 7.2 7.2 7.5

8.7 7.9 7.3 7.3 7.8

10.2 10.8 12.2 12.5 12.5

9.5 9.1 10.3 12.0 11.6

9.9 10.1 11.3 12.2 12.1

19.0 18.8 18.2 16.4 15.4

17.4 18.1 16.4 15.2 14.6

18.3 18.4 17.3 15.9 15.0

22.2 23.4 23.2 23.1 23.3

20.4 21.0 22.2 22.0 22.5

21.2 22.3 22.6 22.6 23.0

16 17 18 19 20

10.1 10.8 10.3 10.1 9.7

8.1 10.0 9.7 9.1 9.3

9.2 10.3 10.0 9.7 9.6

12.3 10.5 9.5 10.3 11.6

10.5 9.0 8.3 8.6 9.5

11.3 9.7 9.0 9.5 10.6

15.4 16.1 16.7 17.7 18.7

14.5 14.2 14.8 16.0 17.0

15.0 15.3 15.9 16.9 17.9

23.2 22.9 23.1 23.1 22.8

22.2 22.2 22.0 22.1 21.5

22.8 22.5 22.5 22.6 22.0

21 22 23 24 25

9.7 10.3 11.1 11.0 11.0

9.2 9.2 9.6 10.6 10.2

9.5 9.7 10.4 10.8 10.5

12.1 12.0 12.9 13.7 14.6

10.9 11.2 11.3 12.2 13.0

11.6 11.6 12.1 13.0 13.9

19.7 20.5 20.6 19.1 17.6

17.8 18.9 19.1 17.5 16.3

18.8 19.8 19.9 18.3 17.1

22.0 22.4 22.9 22.8 22.1

20.8 21.0 21.3 21.8 21.3

21.6 21.9 22.3 22.3 21.6

26 27 28 29 30 31

10.8 10.3 9.6 -------

9.6 9.6 8.2 -------

10.3 9.9 8.7 -------

15.2 15.2 14.9 13.4 14.4 14.4

14.3 14.9 13.4 12.6 13.1 14.0

14.8 15.1 14.3 12.9 13.8 14.2

17.0 16.6 16.9 17.6 17.6 ---

15.6 15.4 15.0 16.3 17.0 ---

16.1 16.1 16.1 17.0 17.4 ---

22.1 22.7 23.4 23.1 22.0 21.8

21.0 21.4 22.1 21.7 20.4 20.4

21.7 22.1 22.6 22.4 21.2 21.0

MONTH

11.1

5.0

8.3

15.2

6.6

11.0

20.6

13.0

16.6

23.4

16.7

21.0

172

SANTEE RIVER BASIN 02156500 BROAD RIVER NEAR CARLISLE, SC--Continued Temperature, water, degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

MEAN

MAX

1 2 3 4 5

21.0 19.9 18.7 20.4 22.7

19.9 18.7 18.4 18.3 20.1

MEAN

MAX

6 7 8 9 10

MEAN

MAX

20.5 19.3 18.6 19.3 21.4

26.7 27.5 27.2 26.6 27.0

25.1 25.7 26.4 25.9 25.7

25.9 26.6 26.6 26.3 26.5

25.8 26.6 27.3 28.3 ---

25.1 25.0 25.5 27.0 ---

25.5 25.9 26.6 27.6 ---

28.9 28.7 28.3 28.1 27.1

27.0 26.6 26.3 25.8 25.1

27.8 27.5 27.2 26.9 26.2

24.4 25.2 25.7 26.8 26.4

22.0 23.6 24.1 24.9 25.0

23.3 24.5 25.0 25.8 25.7

26.8 25.9 25.6 23.6 24.3

25.6 24.8 22.6 22.5 23.3

26.2 25.5 23.7 23.0 23.8

-----------

-----------

-----------

25.8 25.1 25.5 25.8 25.6

24.2 23.5 23.7 23.1 22.8

25.1 24.4 24.4 24.4 24.2

11 12 13 14 15

25.4 25.5 26.1 27.2 27.8

24.8 24.8 25.0 25.2 25.9

25.1 25.1 25.6 26.3 26.9

24.8 25.9 26.1 25.8 25.6

23.8 24.3 25.2 24.9 24.9

24.3 25.1 25.7 25.4 25.2

--28.1 28.4 29.0 29.4

--26.0 27.3 27.8 27.9

--27.0 28.0 28.4 28.7

25.2 24.9 25.0 25.9 26.3

23.2 22.6 22.7 23.7 23.7

24.1 23.8 24.0 24.7 25.1

16 17 18 19 20

27.8 27.6 26.9 26.8 25.5

26.2 26.2 25.8 25.2 24.0

27.2 26.9 26.5 25.9 24.9

25.5 26.5 27.7 28.5 28.8

24.1 25.0 25.7 26.6 27.2

24.8 25.7 26.7 27.6 28.0

29.6 30.3 29.7 29.5 29.5

28.4 29.0 29.0 28.9 28.4

29.1 29.6 29.3 29.3 29.1

27.3 27.8 27.8 27.8 27.6

24.7 25.3 24.9 25.1 25.3

25.8 26.3 26.4 26.5 26.5

21 22 23 24 25

24.9 25.1 25.6 26.0 26.3

23.2 23.1 23.9 24.9 25.3

24.2 24.3 24.9 25.5 25.9

29.3 29.5 29.4 29.4 29.6

27.6 28.0 28.3 28.4 28.2

28.5 28.8 29.0 29.0 29.1

29.7 29.6 29.8 28.7 28.4

28.5 28.2 28.2 27.6 27.2

29.3 29.0 28.8 28.2 27.7

28.1 27.6 28.0 27.2 26.6

25.6 25.9 25.7 25.1 25.6

27.0 26.7 26.8 26.3 26.2

26 27 28 29 30 31

26.6 27.4 27.0 25.4 25.8 ---

25.5 25.7 25.4 24.4 23.9 ---

26.0 26.4 26.5 24.7 24.9 ---

30.2 30.9 30.9 30.1 28.3 26.6

28.7 29.6 29.8 28.3 26.6 25.7

29.6 30.3 30.3 29.2 27.3 26.1

27.5 27.8 28.4 28.3 27.9 28.4

26.3 26.3 26.4 27.0 27.2 27.2

26.9 26.8 27.3 27.6 27.5 27.6

26.1 26.4 26.0 26.0 24.8 ---

25.1 24.7 24.4 24.2 23.1 ---

25.6 25.6 25.1 25.0 23.9 ---

MONTH

27.8

18.3

24.6

30.9

22.5

26.8

---

---

---

28.9

22.6

25.6

JUNE

MIN JULY

MIN AUGUST

MIN

MEAN

SEPTEMBER

173

SANTEE RIVER BASIN 02156500 BROAD RIVER NEAR CARLISLE, SC--Continued

Dissolved oxygen, water, unfiltered, milligrams per liter WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

MEAN

MAX

OCTOBER

MIN

MEAN

MAX

NOVEMBER

MIN

MEAN

MAX

DECEMBER

MIN

MEAN

JANUARY

1 2 3 4 5

-----------

-----------

-----------

9.8 8.5 8.4 9.0 ---

7.9 7.6 7.4 7.1 ---

8.7 8.0 8.0 8.0 ---

12.0 12.1 11.6 11.8 11.9

11.7 11.0 11.1 11.2 11.5

11.8 11.6 11.3 11.5 11.7

12.7 12.4 11.8 11.6 11.3

12.3 11.8 11.4 11.1 10.8

12.6 12.2 11.7 11.4 11.2

6 7 8 9 10

--9.1 8.7 9.2 9.0

--7.3 7.1 7.8 7.6

--8.3 8.0 8.4 8.2

-----------

-----------

-----------

11.9 11.8 11.5 11.1 12.0

11.6 11.3 11.1 10.8 10.4

11.8 11.6 11.3 11.0 11.2

10.9 10.8 10.6 10.8 10.9

10.5 10.5 10.4 10.4 10.4

10.8 10.7 10.5 10.6 10.6

11 12 13 14 15

8.7 8.4 8.1 8.4 8.5

7.7 6.9 6.4 7.1 7.2

8.1 7.7 7.3 7.7 7.9

-----------

-----------

-----------

12.0 11.7 11.8 12.3 12.8

11.7 11.6 11.6 11.8 12.3

11.9 11.7 11.7 12.0 12.6

10.9 10.9 10.6 10.4 11.0

10.4 10.4 9.9 9.8 10.4

10.6 10.7 10.4 10.1 10.7

16 17 18 19 20

8.9 8.5 8.3 7.6 8.0

6.9 6.7 6.6 6.5 6.2

7.9 7.6 7.7 7.2 7.1

------12.1 11.5

------11.4 11.0

------11.8 11.3

13.2 13.4 13.3 13.2 13.7

12.8 13.1 13.0 12.9 13.0

13.1 13.3 13.2 13.1 13.4

11.2 11.7 12.3 12.9 13.1

11.0 11.2 11.7 12.3 12.7

11.1 11.5 12.1 12.7 12.9

21 22 23 24 25

7.8 ---------

6.0 ---------

7.0 ---------

11.2 10.8 10.4 10.3 10.4

10.7 10.3 10.2 9.9 9.9

11.0 10.6 10.3 10.1 10.1

14.1 14.3 13.7 13.4 13.4

13.4 13.7 12.9 13.0 13.1

13.8 14.1 13.3 13.2 13.2

12.8 12.5 12.6 12.9 13.0

12.4 12.2 12.2 12.3 12.3

12.6 12.4 12.4 12.6 12.6

26 27 28 29 30 31

--9.2 9.5 9.4 10.2 10.0

--7.9 9.0 8.6 8.7 8.4

--8.6 9.2 9.0 9.3 9.1

11.0 11.5 11.8 12.2 12.2 ---

10.4 11.0 11.5 11.7 11.8 ---

10.8 11.4 11.7 12.0 12.0 ---

13.8 14.1 14.4 14.4 13.6 13.1

13.4 13.8 14.1 13.6 13.1 12.7

13.6 14.0 14.2 14.1 13.5 13.0

12.7 11.9 12.2 12.3 12.4 12.7

11.7 11.6 11.7 11.9 12.2 12.3

12.3 11.8 11.9 12.1 12.3 12.4

MONTH

---

---

---

---

---

---

14.4

10.4

12.6

13.1

9.8

11.6

DAY

MAX

MIN

MAX

MIN

MEAN

1 2 3 4 5

12.6 12.5 12.3 12.6 12.7

12.0 12.1 12.2 12.3 12.2

12.3 12.3 12.3 12.4 12.4

12.6 12.8 12.7 12.6 12.2

12.1 12.1 11.9 11.7 11.6

12.4 12.5 12.4 12.2 12.0

10.7 10.6 10.9 10.8 10.6

10.4 10.2 10.5 10.3 10.1

10.6 10.4 10.7 10.6 10.3

9.9 10.1 10.3 10.6 10.3

9.1 9.1 9.2 9.3 9.4

9.5 9.4 9.7 9.9 9.8

6 7 8 9 10

12.6 12.4 12.1 11.7 11.6

12.0 11.7 11.3 11.3 11.3

12.3 12.0 11.8 11.4 11.4

12.2 11.8 11.1 11.5 11.8

11.4 11.0 10.5 11.0 11.1

11.9 11.4 10.8 11.2 11.5

10.4 10.0 10.0 9.9 10.2

9.8 9.7 9.7 9.4 9.6

10.1 9.9 9.8 9.7 9.9

10.6 10.6 10.6 10.6 10.3

9.6 9.4 9.2 9.0 8.7

10.1 10.0 9.9 9.7 9.4

11 12 13 14 15

12.0 12.4 12.4 12.3 12.4

11.4 11.6 11.7 11.8 11.6

11.7 12.0 12.1 12.1 11.9

11.8 12.0 12.0 11.0 11.9

10.9 11.0 10.8 10.4 10.6

11.4 11.5 11.5 10.7 11.2

9.9 9.6 10.2 10.9 11.2

9.2 9.3 9.6 10.2 10.9

9.6 9.4 9.7 10.6 11.1

10.1 9.9 9.5 9.3 9.2

8.8 8.5 8.4 8.3 8.2

9.3 9.1 8.8 8.8 8.6

16 17 18 19 20

12.0 11.8 12.2 12.4 12.3

11.0 10.9 10.9 11.1 11.4

11.7 11.2 11.4 11.7 11.8

11.5 12.3 12.6 12.6 12.5

10.9 11.5 11.8 11.8 11.4

11.3 11.9 12.2 12.2 12.0

11.2 11.2 11.6 11.6 11.2

10.8 10.7 10.8 10.9 10.7

11.0 11.0 11.2 11.3 11.0

9.3 9.3 9.3 9.1 8.7

8.2 8.4 8.4 8.3 8.3

8.7 8.7 8.7 8.7 8.5

21 22 23 24 25

11.7 12.0 11.9 11.0 11.3

11.2 11.4 10.8 10.8 10.8

11.5 11.7 11.5 10.9 11.1

11.7 11.7 11.5 11.6 11.3

10.8 11.0 10.8 11.0 10.6

11.3 11.3 11.1 11.3 11.0

11.1 10.7 10.2 10.5 10.5

10.3 9.8 9.7 9.8 9.9

10.8 10.2 9.9 10.1 10.1

9.0 8.8 8.8 8.9 9.5

8.3 8.5 8.2 8.2 8.3

8.7 8.7 8.5 8.5 8.8

26 27 28 29 30 31

11.5 11.6 12.1 -------

10.9 11.1 11.2 -------

11.2 11.4 11.5 -------

11.0 10.5 11.8 12.2 12.1 10.8

10.4 10.3 9.4 11.8 10.8 10.5

10.7 10.4 10.8 12.1 11.5 10.7

10.5 10.6 10.8 10.3 9.6 ---

9.9 9.9 9.6 9.3 9.3 ---

10.2 10.2 10.2 9.7 9.4 ---

9.5 9.1 8.8 8.8 8.6 9.2

8.5 8.4 8.3 8.2 8.3 8.3

8.9 8.7 8.5 8.5 8.4 8.6

MONTH

12.7

10.8

11.8

12.8

9.4

11.5

11.6

9.2

10.3

10.6

8.2

9.0

Dissolved oxygen, water, unfiltered, milligrams per liter MEAN MAX MIN MEAN MAX MIN MEAN

FEBRUARY

MARCH

APRIL

MAY

174

SANTEE RIVER BASIN 02156500 BROAD RIVER NEAR CARLISLE, SC--Continued Dissolved oxygen, water, unfiltered, milligrams per liter WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

9.0 9.6 9.8 9.1 8.6

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

8.4 8.6 8.8 8.6 8.1

8.7 8.8 9.2 9.0 8.5

8.4 7.6 7.3 7.4 7.8

7.4 7.2 7.2 7.2 7.3

7.9 7.4 7.3 7.3 7.6

7.6 7.7 7.6 7.3 ---

7.4 7.5 7.0 6.9 ---

7.5 7.6 7.3 7.1 ---

7.7 7.7 7.8 8.0 8.3

7.0 7.1 7.1 7.3 7.4

7.3 7.3 7.4 7.6 7.8

8.2 8.2 8.2 7.7 7.3

7.5 7.5 7.3 7.2 7.1

8.0 7.7 7.9 7.3 7.2

7.8 7.9 9.6 9.6 8.9

7.6 7.7 7.7 8.9 7.7

7.7 7.8 9.0 9.3 8.3

-----------

-----------

-----------

8.5 8.8 8.4 8.6 8.8

7.5 7.5 7.7 7.9 7.9

7.9 8.0 8.0 8.2 8.2

11 12 13 14 15

7.1 7.2 7.2 7.2 7.2

7.0 7.0 7.1 7.1 7.0

7.1 7.1 7.1 7.1 7.1

8.6 7.7 7.9 8.0 8.6

7.6 7.5 7.5 7.5 7.8

7.9 7.6 7.6 7.7 8.0

--7.0 7.2 7.3 7.5

--6.9 6.9 7.0 7.0

--6.9 7.1 7.2 7.2

8.9 9.1 9.2 9.6 9.0

7.9 8.0 7.7 7.7 7.7

8.3 8.5 8.4 8.4 8.2

16 17 18 19 20

7.1 7.3 7.4 7.5 7.7

6.9 6.9 7.1 7.1 7.3

7.0 7.1 7.2 7.3 7.5

8.6 7.7 7.5 7.4 7.4

7.7 7.3 7.2 7.1 7.1

8.1 7.5 7.3 7.3 7.3

7.5 7.6 7.6 7.7 7.5

7.0 7.0 7.1 7.1 7.1

7.2 7.2 7.3 7.3 7.3

8.6 8.3 8.3 8.6 8.4

7.5 7.4 7.3 7.3 7.3

7.9 7.8 7.7 7.8 7.7

21 22 23 24 25

7.8 7.9 7.9 7.7 7.8

7.5 7.6 7.3 7.3 7.3

7.6 7.8 7.6 7.5 7.5

7.2 7.0 7.0 7.2 7.2

6.9 6.8 6.7 6.7 6.9

7.1 6.9 6.9 7.0 7.0

7.7 7.7 7.9 7.6 8.1

7.2 7.2 7.3 7.4 7.5

7.4 7.4 7.5 7.5 7.8

8.5 8.0 8.0 8.1 8.2

7.2 7.1 7.0 7.0 7.2

7.7 7.5 7.4 7.5 7.6

26 27 28 29 30 31

7.7 7.5 8.2 8.6 8.7 ---

7.4 7.2 7.1 8.2 8.3 ---

7.5 7.3 7.4 8.4 8.6 ---

7.2 7.3 7.1 7.2 7.5 7.8

6.6 6.6 6.8 6.9 7.0 7.4

7.0 7.0 6.9 7.0 7.3 7.6

7.8 -----------

7.6 -----------

7.7 -----------

8.0 8.4 8.2 8.5 8.5 ---

7.3 7.4 7.3 7.7 7.7 ---

7.5 7.7 7.7 7.9 8.1 ---

MONTH

9.8

6.9

7.7

9.6

6.6

7.5

---

---

---

9.6

7.0

7.8

JUNE

MIN JULY

MIN AUGUST

MIN

MEAN

SEPTEMBER

175

SANTEE RIVER BASIN 02157470 MIDDLE TYGER RIVER NEAR GRAMLING, SC

LOCATION.--Lat 35°02'20'', long 82°13'07'', Spartanburg County, Hydrologic Unit 03050107, on downstream side of County Road 75 bridge, approximately 5.5 mi southwest of Gramling, and 1.5 mi upstream of Lyman Lake. DRAINAGE AREA.--34.7 mi2. PERIOD OF RECORD.--February 2002 to current year. GAGE.--Data collection platform. Elevation of gage is 860 ft above NGVD of 1929 (from topographic map). REMARKS.--No estimated daily discharges. Records good. Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

81 71 69 61 53

37 38 66 197 125

57 50 46 44 42

60 57 56 55 54

55 52 78 69 61

86 74 69 65 63

91 81 72 65 60

57 53 51 49 50

64 97 68 59 52

85 72 139 223 98

53 47 44 42 41

31 30 29 28 27

6 7 8 9 10

49 47 44 42 41

77 63 55 49 46

46 61 55 228 844

54 53 56 52 51

58 56 55 55 53

61 61 76 66 63

56 57 91 86 69

49 46 45 43 45

51 50 47 47 47

77 1440 266 139 104

40 63 77 85 56

27 27 26 26 25

11 12 13 14 15

40 38 45 40 38

45 75 67 54 49

177 120 94 79 70

49 49 51 142 79

52 51 51 53 52

62 61 61 61 59

62 67 442 155 113

47 43 41 52 58

45 47 62 49 44

96 86 77 72 68

48 43 40 39 37

25 24 24 23 23

16 17 18 19 20

37 37 37 47 43

47 46 44 43 43

65 61 58 56 54

67 60 58 55 55

52 51 49 49 53

69 71 66 64 62

94 83 76 70 66

54 46 44 42 86

41 39 38 41 43

64 62 58 56 53

36 36 47 43 40

24 26 23 23 23

21 22 23 24 25

39 38 38 40 39

42 41 43 51 66

53 51 232 143 101

53 52 50 49 49

61 63 56 68 63

61 62 87 75 69

63 64 67 61 59

76 59 53 49 47

44 41 38 36 35

52 52 54 48 47

38 36 36 37 35

22 22 22 22 22

26 27 28 29 30 31

37 37 37 42 40 38

52 48 48 44 43 ---

85 76 71 68 64 62

49 48 46 49 69 63

59 58 109 -------

67 70 522 167 107 98

59 60 56 54 59 ---

45 43 43 43 44 42

36 93 454 235 111 ---

45 43 45 59 56 57

34 33 32 32 33 34

23 24 22 26 24 ---

1385 44.7 81 37 1.29 1.48

1744 58.1 197 37 1.68 1.87

3313 107 844 42 3.08 3.55

1790 57.7 142 46 1.66 1.92

1642 58.6 109 49 1.69 1.76

2705 87.3 522 59 2.51 2.90

2558 85.3 442 54 2.46 2.74

1545 49.8 86 41 1.44 1.66

2154 71.8 454 35 2.07 2.31

3893 126 1440 43 3.62 4.17

1337 43.1 85 32 1.24 1.43

743 24.8 31 22 0.71 0.80

56.8 84.0 2003 14.9 2002

72.9 126 2005 8.34 2002

38.3 75.0 2003 5.97 2002

65.8 167 2004 24.8 2005

TOTAL MEAN MAX MIN CFSM IN.

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 2002 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

46.0 49.2 2003 44.0 2004

52.2 58.1 2005 41.7 2003

86.2 107 2005 62.4 2004

47.4 57.7 2005 42.1 2003

68.8 88.1 2004 58.6 2005

72.3 122 2003 33.5 2002

61.0 89.5 2003 26.9 2002

65.3 151 2003 27.3 2002

176

SANTEE RIVER BASIN 02157470 MIDDLE TYGER RIVER NEAR GRAMLING, SC--Continued SUMMARY STATISTICS

FOR 2004 CALENDAR YEAR

ANNUAL TOTAL ANNUAL MEAN HIGHEST ANNUAL MEAN LOWEST ANNUAL MEAN HIGHEST DAILY MEAN LOWEST DAILY MEAN ANNUAL SEVEN-DAY MINIMUM MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE ANNUAL RUNOFF (CFSM) ANNUAL RUNOFF (INCHES) 10 PERCENT EXCEEDS 50 PERCENT EXCEEDS 90 PERCENT EXCEEDS

FOR 2005 WATER YEAR

22912 62.6 1240 22 24

Sep 8 a Aug 30 Aug 25

1440 22 b 22 2610 10.63 1.96 26.60 86 53 35

1.80 24.56 78 43 28

a b

Also occurred Aug. 31, Sep. 6. Also occurred Sep. 22-25, 28.

e

Estimated.

WATER YEARS 2002 - 2005

24809 68.0

69.1 80.8 58.7 e 1500 2.3 2.5 2610 10.63 1.99 27.07 98 49 29

Jul 7 Sep 21 Sep 19 Jul 7 Jul 7

2003 2004 Mar 20 2003 Aug 13 2002 Aug 8 2002 Jul 7 2005 Jul 7 2005

10,000

5000

DISCHARGE, IN CUBIC FEET PER SECOND

2000

1000

500

200

100

50

20

10

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

177

SANTEE RIVER BASIN 02157490 BEAVERDAM CREEK ABOVE GREER, SC LOCATION.--Lat 34°58'31'', long 82°11'44'', Spartanburg County, Hydrologic Unit 03050107, on upstream side of S.C.Hwy 357 bridge, approximately 0.5 mi upstream of Middle Tyger River, and 3.2 mi northwest of Greer. DRAINAGE AREA.--15.9 mi2. PERIOD OF RECORD.--March 2002 to current year. GAGE.--Data collection platform. Elevation of gage is 820 ft above NGVD of 1929 (from topographic map). REMARKS.--Records poor. Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

26 27 35 30 24

17 18 23 e50 e80

23 23 20 19 19

27 27 27 26 26

26 25 37 37 29

37 26 24 23 22

39 29 24 22 22

26 20 18 17 19

28 58 33 26 22

36 30 24 132 59

23 17 15 14 14

12 11 11 10 9.7

6 7 8 9 10

21 21 20 19 19

31 25 23 21 20

22 32 25 47 442

26 26 27 26 25

27 26 26 26 26

21 21 27 24 21

21 22 36 46 28

19 17 16 16 16

25 26 21 21 20

28 592 370 48 31

12 26 41 30 40

9.3 8.9 8.5 8.6 8.8

11 12 13 14 15

18 17 18 17 17

20 29 31 21 20

114 41 33 28 25

25 25 26 63 38

25 24 24 25 25

20 20 19 19 18

25 26 65 56 30

21 18 17 23 23

19 19 25 22 17

28 28 24 26 23

29 22 19 18 17

8.6 8.4 8.4 8.2 7.8

16 17 18 19 20

16 16 16 18 20

20 19 19 17 20

24 23 23 22 21

31 28 26 26 27

24 23 22 22 23

23 24 20 19 18

26 24 23 22 21

22 18 17 17 42

16 15 15 17 21

21 20 19 20 21

16 17 18 19 18

7.9 7.7 7.4 7.0 7.3

21 22 23 24 25

18 18 17 19 19

20 20 21 25 32

21 21 74 82 40

27 26 25 e23 24

28 30 25 30 29

18 19 33 26 21

20 21 31 22 19

38 23 20 18 17

24 20 17 15 14

19 19 18 17 16

18 16 16 17 16

7.9 8.1 8.2 8.0 7.8

26 27 28 29 30 31

17 17 17 17 17 17

25 20 20 18 18 ---

34 31 30 29 28 28

24 23 23 24 33 33

25 24 47 -------

20 22 256 105 36 33

19 22 19 18 23 ---

16 16 16 18 17 18

15 57 192 212 51 ---

16 13 13 23 25 19

15 14 14 14 14 13

8.1 8.7 8.4 11 12 ---

608 19.6 35 16 1.23 1.42

743 24.8 80 17 1.56 1.74

1444 46.6 442 19 2.93 3.38

863 27.8 63 23 1.75 2.02

760 27.1 47 22 1.71 1.78

1035 33.4 256 18 2.10 2.42

821 27.4 65 18 1.72 1.92

619 20.0 42 16 1.26 1.45

1083 36.1 212 14 2.27 2.53

1778 57.4 592 13 3.61 4.16

592 19.1 41 12 1.20 1.39

264.7 8.82 12 7.0 0.55 0.62

22.5 36.1 2005 3.85 2002

35.6 60.6 2003 3.38 2002

21.0 46.3 2003 2.93 2002

32.2 81.4 2004 8.82 2005

TOTAL MEAN MAX MIN CFSM IN.

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 2002 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

20.7 24.6 2003 18.0 2004

23.1 25.5 2004 19.2 2003

41.7 47.8 2003 30.8 2004

22.2 27.8 2005 19.4 2003

34.9 44.8 2004 27.1 2005

39.5 66.1 2003 18.9 2004

25.4 46.7 2003 9.52 2002

25.5 56.9 2003 10.6 2002

178

SANTEE RIVER BASIN 02157490 BEAVERDAM CREEK ABOVE GREER, SC--Continued SUMMARY STATISTICS

FOR 2004 CALENDAR YEAR

ANNUAL TOTAL ANNUAL MEAN HIGHEST ANNUAL MEAN LOWEST ANNUAL MEAN HIGHEST DAILY MEAN LOWEST DAILY MEAN ANNUAL SEVEN-DAY MINIMUM MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE ANNUAL RUNOFF (CFSM) ANNUAL RUNOFF (INCHES) 10 PERCENT EXCEEDS 50 PERCENT EXCEEDS 90 PERCENT EXCEEDS e

FOR 2005 WATER YEAR

10487.9 28.7 622 9.3 10

WATER YEARS 2002 - 2005

10610.7 29.1 Sep 8 Aug 30 Aug 25

592 7.0 7.6 1130 11.26 1.83 24.83 36 22 14

1.80 24.54 40 19 12

31.8 39.2 27.2 656 0.14 0.17 1130 11.26 2.00 27.20 47 21 12

Jul 7 Sep 19 Sep 15 Jul 7 Jul 7

2003 2004 Mar 20 2003 Aug 14 2002 Aug 8 2002 Jul 7 2005 Jul 7 2005

Estimated 1000

500

DISCHARGE, IN CUBIC FEET PER SECOND

200

100

50

20

10

5

2

1

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

179

SANTEE RIVER BASIN 02157510 MIDDLE TYGER RIVER NEAR LYMAN, SC

LOCATION.--Lat 34°56'24'', long 82°07'25'', Spartanburg County, Hydrologic Unit 03050107, on downstream side of County Road 242 bridge, approximately 100 ft below treatment plant dam, and 2.2 mi southeast of Lyman. DRAINAGE AREA.--69.0 mi2. PERIOD OF RECORD.--February 2000 to current year. GAGE.--Data collection platform and crest-stage gage. Elevation of gage is 758 ft above NGVD of 1929 (from topographic map). REMARKS.--Records good, except for estimated daily discharges and those above 150 ft3/s, which are poor. Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

e120 e110 e125 e100 e95

67 65 83 179 330

88 92 86 79 75

93 92 94 88 87

94 85 114 131 104

169 117 100 95 87

208 165 136 122 111

109 92 80 77 80

102 223 165 115 94

161 139 104 348 288

87 78 67 61 58

43 40 38 36 37

6 7 8 9 10

92 88 79 75 76

167 119 94 89 76

89 111 105 e204 e1650

88 88 90 89 84

93 87 85 85 87

85 83 103 100 87

104 105 147 195 147

79 74 71 70 71

100 92 77 78 75

147 e1870 e2880 e375 e210

60 79 144 135 162

33 31 45 38 35

11 12 13 14 15

79 80 76 81 70

76 99 136 101 91

824 e278 e182 e153 119

83 82 85 182 169

76 73 76 81 82

81 80 81 82 79

124 120 328 368 204

75 70 66 79 96

73 72 84 84 69

e155 e145 e130 e185 e150

118 82 69 66 76

34 32 30 29 28

16 17 18 19 20

65 58 59 69 78

81 79 77 75 77

109 105 100 96 91

121 99 87 84 85

80 98 95 39 62

91 108 95 88 81

147 125 115 107 100

96 81 72 68 131

60 54 51 58 64

e115 e100 e90 e105 e110

106 144 105 41 45

30 35 29 29 30

21 22 23 24 25

72 68 67 69 72

80 76 78 89 115

83 85 238 379 199

86 84 82 73 75

89 102 89 100 102

79 83 130 125 103

95 96 122 103 91

172 111 90 79 69

86 71 60 53 50

e50 68 78 72 68

38 34 33 38 39

26 26 27 28 28

26 27 28 29 30 31

65 64 69 66 70 66

98 90 87 82 80 ---

143 125 108 103 99 96

78 71 70 74 102 112

89 88 151 -------

92 113 903 697 243 194

88 98 88 84 96 ---

66 63 62 62 66 69

53 136 420 861 312 ---

64 59 58 85 107 97

45 48 46 47 48 46

29 33 29 33 36 ---

2423 78.2 125 58 1.13 1.31

3036 101 330 65 1.47 1.64

6294 203 1650 75 2.94 3.39

2877 92.8 182 70 1.35 1.55

2537 90.6 151 39 1.31 1.37

4654 150 903 79 2.18 2.51

4139 138 368 84 2.00 2.23

2546 82.1 172 62 1.19 1.37

3892 130 861 50 1.88 2.10

8613 278 2880 50 4.03 4.64

2245 72.4 162 33 1.05 1.21

977 32.6 45 26 0.47 0.53

72.1 149 2003 10.8 2002

102 278 2005 7.24 2002

54.3 166 2003 7.01 2002

81.6 291 2004 11.2 2000

TOTAL MEAN MAX MIN CFSM IN.

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 2000 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

53.6 94.1 2003 7.96 2001

64.5 101 2005 24.5 2002

114 203 2005 39.9 2002

75.0 92.8 2005 49.4 2001

104 160 2004 55.4 2002

124 261 2003 56.0 2001

106 192 2003 44.1 2002

94.7 312 2003 30.9 2001

180

SANTEE RIVER BASIN 02157510 MIDDLE TYGER RIVER NEAR LYMAN, SC--Continued SUMMARY STATISTICS

FOR 2004 CALENDAR YEAR

ANNUAL TOTAL ANNUAL MEAN HIGHEST ANNUAL MEAN LOWEST ANNUAL MEAN HIGHEST DAILY MEAN LOWEST DAILY MEAN ANNUAL SEVEN-DAY MINIMUM MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE ANNUAL RUNOFF (CFSM) ANNUAL RUNOFF (INCHES) 10 PERCENT EXCEEDS 50 PERCENT EXCEEDS 90 PERCENT EXCEEDS a

Also occurred Sep. 22.

e

Estimated

FOR 2005 WATER YEAR

39705 108

WATER YEARS 2000 - 2005

44233 121

e 1780 24 31

Sep 8 May 28 May 28

e 2880 26 a 28 Unknown 8.12 1.76 23.85 165 86 44

1.57 21.41 140 76 41

91.1 161 36.5 e 2880 0.66 1.1 Unknown 8.12 1.32 17.93 150 65 14

Jul 8 Sep 21 Sep 19 Jul 8 Jul 8

2003 2002 Jul 8 2005 Aug 29 2002 Aug 23 2002 Jul 8 2005 Jul 8 2005

10,000

5000

DISCHARGE, IN CUBIC FEET PER SECOND

2000

1000

500

200

100

50

20

10

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

181

SANTEE RIVER BASIN 02158408 SOUTH TYGER RIVER BELOW DUNCAN, SC

LOCATION.--Lat 34°55'15'', long 82°07'49'', Spartanburg County, Hydrologic Unit 03050107, on downstream side of County Road 242 bridge, 2.0 mi south of Lyman and 1.5 mi southwest of Duncan, SC. DRAINAGE AREA.--94.4 mi2. PERIOD OF RECORD.--February 2001 to current year. GAGE.--Data collection platform. Elevation of gage is 728 ft above NGVD of 1929 (from topographic map). REMARKS.--Records good except for estimated daily discharges, which are poor. Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

233 195 181 170 144

102 107 127 374 395

133 134 126 119 114

147 145 142 138 135

149 139 219 196 174

229 185 167 156 149

340 282 225 190 172

165 147 132 123 130

235 377 218 176 147

439 331 237 275 303

139 126 113 105 100

73 69 65 61 58

6 7 8 9 10

131 120 112 105 106

280 206 165 137 122

144 180 159 397 2300

138 136 142 138 134

159 149 141 138 139

141 136 186 161 148

160 162 308 312 207

123 119 114 110 108

162 172 137 151 159

228 e2530 1840 858 476

100 203 195 172 199

56 55 54 54 52

11 12 13 14 15

105 101 106 105 105

114 164 172 158 141

1020 536 362 281 230

129 128 133 290 227

132 122 123 132 131

140 137 130 134 131

179 189 352 489 337

130 123 112 158 169

158 157 169 167 146

361 326 280 451 361

126 113 103 95 91

52 51 49 48 49

16 17 18 19 20

100 94 91 99 108

128 121 117 112 115

198 182 172 165 155

186 164 142 132 133

131 127 124 120 123

168 176 159 147 142

254 209 184 167 153

149 129 119 112 322

126 113 106 112 121

212 183 171 153 185

90 85 89 108 103

51 51 49 49 50

21 22 23 24 25

108 107 103 114 112

114 114 117 152 160

143 138 478 452 335

136 133 135 128 117

159 172 149 183 168

136 152 260 202 175

146 160 199 163 140

245 183 153 131 117

155 158 125 109 99

159 134 127 119 113

95 87 83 87 84

48 47 47 46 47

26 27 28 29 30 31

105 105 103 104 104 104

147 135 136 124 114 ---

256 212 182 169 161 154

121 119 118 123 173 165

152 144 294 -------

161 214 1510 766 442 408

136 150 138 131 165 ---

107 104 98 96 109 107

99 553 1000 1220 717 ---

107 102 102 190 164 158

82 77 74 71 73 78

48 50 48 56 63 ---

TOTAL MEAN MAX MIN CFSM IN.

3680 119 233 91 1.26 1.45

4670 156 395 102 1.65 1.84

9787 316 2300 114 3.34 3.86

4527 146 290 117 1.55 1.78

4289 153 294 120 1.62 1.69

7548 243 1510 130 2.58 2.97

6399 213 489 131 2.26 2.52

4244 137 322 96 1.45 1.67

7544 251 1220 99 2.66 2.97

11675 377 2530 102 3.99 4.60

3346 108 203 71 1.14 1.32

1596 53.2 73 46 0.56 0.63

138 251 2005 26.7 2002

184 377 2005 28.4 2002

121 362 2003 22.8 2001

144 363 2004 53.2 2005

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 2001 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

104 143 2003 43.4 2002

120 156 2005 44.2 2002

205 316 2005 68.9 2002

129 146 2005 116 2004

165 232 2004 92.9 2002

194 352 2003 106 2002

155 293 2003 68.6 2002

151 400 2003 47.5 2001

182

SANTEE RIVER BASIN 02158408 SOUTH TYGER RIVER BELOW DUNCAN, SC--Continued SUMMARY STATISTICS

FOR 2004 CALENDAR YEAR

ANNUAL TOTAL ANNUAL MEAN HIGHEST ANNUAL MEAN LOWEST ANNUAL MEAN HIGHEST DAILY MEAN LOWEST DAILY MEAN ANNUAL SEVEN-DAY MINIMUM MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE ANNUAL RUNOFF (CFSM) ANNUAL RUNOFF (INCHES) 10 PERCENT EXCEEDS 50 PERCENT EXCEEDS 90 PERCENT EXCEEDS e

FOR 2005 WATER YEAR

59134 162

WATER YEARS 2001 - 2005

69305 190

2300 51 59

Dec 10 Aug 31 Aug 25

e 2530 46 48 Unknown 16.68 2.01 27.31 305 138 83

1.71 23.30 238 115 73

164 249 68.8 e 2530 9.5 10 Unknown 16.68 1.74 23.59 284 119 40

Jul 7 Sep 24 Sep 20 Jul 7 Jul 7

2003 2002 Jul 7 2005 Aug 11 2002 Aug 8 2002 Jul 7 2005 Jul 7 2005

Estimated 10,000

5000

DISCHARGE, IN CUBIC FEET PER SECOND

2000

1000

500

200

100

50

20

10

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

183

SANTEE RIVER BASIN 02160105 TYGER RIVER NEAR DELTA, SC

LOCATION.--Lat 34°32'07'', long 81°32'54'', Union County, Hydrologic Unit 03050107, on upstream side of bridge on State Highway 72 and 121, 0.9 mi downstream from Seaboard Coast Line Railroad, 0.8 mi southeast of Delta, and at mile 9.0. DRAINAGE AREA.--759 mi2. WATER-DISCHARGE RECORDS PERIOD OF RECORD.--October 1973 to current year. GAGE.--Data collection platform. Datum of gage is 300 ft above NGVD of 1929 (from topographic map). REMARKS.--No estimated daily discharges. Records good. Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

2620 1210 976 995 853

419 412 414 466 726

554 571 594 567 539

667 645 628 619 609

791 690 732 1170 1040

2250 1600 1120 958 869

2870 2370 1680 1330 1150

684 758 676 617 587

569 2040 2520 1620 1060

2680 1510 1170 1060 996

665 698 561 496 449

380 362 348 331 316

6 7 8 9 10

735 661 607 559 528

1130 917 727 630 564

527 587 813 728 1030

598 599 602 584 586

853 768 721 697 682

802 759 1020 1120 957

1040 1000 1190 2060 1660

588 595 564 540 523

856 756 887 732 837

1140 934 1380 4890 6450

418 458 593 1050 1160

298 286 277 272 272

11 12 13 14 15

506 484 621 555 504

522 511 557 706 625

3140 6710 3420 1460 1130

574 569 560 1020 1560

655 628 602 602 656

826 755 715 745 762

1230 1060 1260 1370 1570

531 585 543 518 550

907 796 687 655 646

1980 1260 1090 1020 942

1300 892 667 605 619

251 243 232 229 224

16 17 18 19 20

473 443 423 414 410

563 531 511 496 489

969 869 807 766 722

1190 929 799 722 681

655 625 599 614 565

1020 2030 1540 1130 949

1260 1050 935 868 814

647 646 573 531 585

598 542 500 503 787

1280 881 746 672 625

514 491 556 607 530

217 212 210 211 203

21 22 23 24 25

437 463 451 447 466

478 486 510 553 634

683 650 677 1300 1570

664 650 634 608 597

650 1470 1120 1050 1260

855 805 1030 1530 1230

768 735 789 861 779

1100 1060 771 648 571

642 633 621 553 496

629 619 555 578 509

480 452 458 526 465

201 205 199 193 192

26 27 28 29 30 31

467 447 433 429 429 425

721 643 638 607 571 ---

1190 960 836 767 720 692

587 582 568 546 588 732

1010 858 1650 -------

988 997 3320 7890 7850 3300

703 691 715 674 648 ---

519 484 461 448 487 501

487 923 2580 4710 4050 ---

476 449 430 461 588 733

431 399 398 392 385 381

188 191 197 207 204 ---

19471 628 2620 410 0.83 0.95

17757 592 1130 412 0.78 0.87

36548 1179 6710 527 1.55 1.79

21497 693 1560 546 0.91 1.05

23413 836 1650 565 1.10 1.15

51722 1668 7890 715 2.20 2.53

35130 1171 2870 648 1.54 1.72

18891 609 1100 448 0.80 0.93

34193 1140 4710 487 1.50 1.68

38733 1249 6450 430 1.65 1.90

18096 584 1300 381 0.77 0.89

7351 245 380 188 0.32 0.36

711 1517 1975 143 2002

599 1507 1984 109 2002

622 2295 1995 78.2 2002

525 2037 2004 149 1999

TOTAL MEAN MAX MIN CFSM IN.

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1974 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

763 3011 1991 156 2001

795 2519 1986 255 2002

981 2354 1984 348 2002

1412 3020 1978 474 2001

1443 2683 1979 494 2001

1735 3545 1993 660 2004

1246 2699 2003 515 1986

947 2404 2003 277 2001

184

SANTEE RIVER BASIN 02160105 TYGER RIVER NEAR DELTA, SC--Continued SUMMARY STATISTICS

FOR 2004 CALENDAR YEAR

ANNUAL TOTAL ANNUAL MEAN HIGHEST ANNUAL MEAN LOWEST ANNUAL MEAN HIGHEST DAILY MEAN LOWEST DAILY MEAN ANNUAL SEVEN-DAY MINIMUM MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE INSTANTANEOUS LOW FLOW ANNUAL RUNOFF (CFSM) ANNUAL RUNOFF (INCHES) 10 PERCENT EXCEEDS 50 PERCENT EXCEEDS 90 PERCENT EXCEEDS a b

FOR 2005 WATER YEAR

286923 784

WATER YEARS 1974 - 2005

322802 884

9070 217 244

Sep 9 Aug 11 Jun 3

7890 188 195 8980 15.77

1.03 14.06 1160 565 320

Mar Sep Sep Mar Mar

980 1474 420 26000 28 32 37500 a 26.31 26 b 1.29 17.54 1740 679 271

29 26 22 30 30

1.17 15.82 1370 647 411

Oct Aug Aug Oct Oct Aug

10 14 10 11 11 14

2003 2002 1976 2002 2002 1976 1976 2002

From floodmarks. Also occurred Aug. 15, 2002. 10,000

DISCHARGE, IN CUBIC FEET PER SECOND

5000

2000

1000

500

200

100

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

185

SANTEE RIVER BASIN 02160105 TYGER RIVER NEAR DELTA, SC--Continued WATER-QUALITY RECORDS PERIOD OF RECORD.--Water years 1972 to current year. PERIOD OF DAILY RECORD.-SPECIFIC CONDUCTANCE: October 1973 to current year. pH: October 1973 to current year. WATER TEMPERATURE: October 1973 to current year. DISSOLVED OXYGEN: October 1973 to current year. INSTRUMENTATION.--Water-quality multiprobe and data collection platform.

REMARKS.--Specific conductance records rated excellent except for Oct. 1-3, 24-27, which are good. pH records rated excellent. Temperature records rated excellent. Dissolved oxygen records rated excellent except for Jan. 24-26, June 4-6, which are good and Oct. 1 to Nov. 5, which are poor. EXTREMES FOR PERIOD OF RECORD.-SPECIFIC CONDUCTANCE: Maximum, 291 microsiemens, Aug. 31, 1988; minimum, 13 microsiemens, Oct. 9, 10, 1976. pH: Maximum, 9.4 units, Aug. 9, 10, 2002; minimum 5.6 units, Jul. 17, 1989. WATER TEMPERATURE: Maximum, 33.5°C, July 31, 2002; minimum, less than 0.5°C many days, many years. DISSOLVED OXYGEN: Maximum, 14.9 mg/L, Aug. 10, 2002; minimum, 1.6 mg/L, Feb. 19, 1984. EXTREMES FOR CURRENT YEAR.-SPECIFIC CONDUCTANCE: Maximum, 124 microsiemens, Sep. 27; minimum, 38 microsiemens, July 9, 10. pH: Maximum 7.6 units, July 28, Aug. 27-31; minimum, 6.6 units, Oct. 1, July 9, 10. WATER TEMPERATURE: Maximum, 30.7°C, July 27; minimum, 1.7°C, Jan. 24. DISSOLVED OXYGEN: Maximum, 13.6 mg/L, Dec. 29; minimum 6.4 mg/L, July 10, 11. Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

62 72 80 82 80

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

51 61 70 77 77

57 67 74 80 79

103 104 104 104 106

99 100 101 99 87

101 102 102 102 97

83 85 86 84 84

82 83 84 82 82

83 84 85 83 84

80 81 81 82 81

78 79 80 80 80

79 80 81 81 81

82 85 87 88 92

79 81 85 86 88

80 84 86 87 90

87 70 75 80 85

69 69 70 75 80

79 70 73 78 83

85 86 85 81 80

84 83 81 80 74

85 85 84 80 78

83 84 85 85 86

80 82 83 84 84

82 83 84 85 85

11 12 13 14 15

92 95 96 92 95

89 89 88 85 91

91 92 93 89 92

86 88 89 89 82

83 85 86 82 78

85 87 88 87 80

74 48 58 63 68

47 46 48 58 63

60 46 54 61 65

86 86 87 85 78

84 84 84 77 73

86 85 86 81 75

16 17 18 19 20

95 95 96 97 97

91 91 92 89 94

93 93 94 94 96

80 83 83 85 86

78 80 82 82 85

79 82 83 84 86

72 75 78 80 81

68 72 75 78 80

70 74 77 79 81

73 75 78 81 82

72 73 75 78 81

73 74 77 80 82

21 22 23 24 25

97 95 95 94 95

94 92 92 90 91

95 94 94 92 93

87 88 89 89 90

86 86 87 88 87

87 87 88 89 89

83 83 82 83 72

81 82 81 72 63

82 83 82 79 66

84 84 86 87 88

82 82 84 85 86

83 83 85 86 87

26 27 28 29 30 31

95 95 95 98 102 103

91 92 92 93 98 98

94 94 93 95 99 100

87 85 83 83 83 ---

85 80 80 82 82 ---

86 82 82 82 83 ---

66 70 73 75 77 78

63 66 70 73 74 76

64 68 72 74 76 78

88 87 87 87 90 91

86 86 86 85 85 89

87 87 86 86 88 90

MONTH

103

51

89

106

69

86

86

46

75

91

72

83

OCTOBER

MIN NOVEMBER

MIN DECEMBER

MIN

MEAN

JANUARY

186

SANTEE RIVER BASIN 02160105 TYGER RIVER NEAR DELTA, SC--Continued Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

90 91 88 89 83

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

89 87 86 81 79

90 89 86 84 80

68 70 74 76 78

64 67 70 74 76

66 68 72 75 78

60 65 69 72 74

57 60 65 69 72

59 62 67 71 73

86 85 84 84 86

82 82 82 82 83

84 84 83 83 85

80 81 82 82 84

78 78 81 81 82

79 80 81 82 83

80 82 82 79 79

78 80 77 77 76

80 81 79 77 77

75 77 79 75 70

74 75 75 68 68

74 76 78 69 68

88 91 89 89 91

86 87 87 87 89

87 88 88 89 90

11 12 13 14 15

85 85 86 87 87

84 84 85 85 85

85 85 85 86 86

80 82 83 83 85

77 80 82 82 83

79 81 83 83 84

73 75 76 75 71

70 73 74 71 64

71 74 75 74 66

91 90 89 90 91

87 87 87 88 88

90 89 88 89 90

16 17 18 19 20

86 85 85 85 86

84 83 84 83 83

85 85 85 84 85

85 70 74 76 79

66 65 70 74 76

78 66 72 76 78

69 73 75 77 79

65 69 73 75 77

67 71 74 77 78

90 90 85 86 86

88 83 83 82 81

89 87 84 84 83

21 22 23 24 25

87 84 79 78 79

80 73 75 75 74

85 76 78 77 76

81 82 80 78 75

79 79 78 72 72

80 81 79 75 73

81 82 84 84 82

79 80 81 81 80

80 81 82 83 81

85 69 72 76 78

69 67 68 72 75

79 68 71 75 78

26 27 28 29 30 31

79 80 79 -------

77 78 64 -------

77 79 69 -------

78 79 76 50 51 57

75 76 49 46 46 51

77 78 57 47 48 56

84 84 86 86 87 ---

81 82 83 83 82 ---

82 83 84 84 85 ---

82 85 88 90 90 92

78 81 84 87 85 88

81 84 87 89 88 90

MONTH

91

64

82

85

46

74

87

57

75

92

67

85

Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN

MEAN

FEBRUARY

DAY

MIN MARCH

JUNE

MIN APRIL

JULY

MIN

MEAN

MAY

AUGUST

SEPTEMBER

1 2 3 4 5

92 72 67 71 76

72 56 65 67 71

86 63 66 69 74

59 65 72 81 81

53 59 65 71 74

55 62 69 76 77

85 86 79 84 89

77 77 78 79 84

82 82 79 82 87

106 104 100 100 99

101 100 98 98 98

103 103 99 99 99

6 7 8 9 10

79 83 83 85 90

76 79 79 82 83

78 82 81 83 87

75 77 88 60 55

67 67 60 38 38

70 72 79 44 46

91 91 97 83 75

89 88 70 71 56

90 90 89 77 68

100 101 103 104 109

98 99 100 100 100

99 100 102 102 103

11 12 13 14 15

87 88 87 89 89

80 80 85 87 87

83 83 86 88 88

59 63 68 69 74

50 57 63 68 69

56 61 67 69 73

70 71 78 83 87

59 65 71 78 81

64 67 75 82 84

113 112 118 118 119

109 109 111 115 115

112 110 115 117 118

16 17 18 19 20

87 90 92 94 100

86 87 89 90 83

87 89 91 92 91

73 73 78 81 84

63 64 73 78 81

65 70 77 80 82

92 91 89 89 94

87 85 82 81 88

89 90 86 86 92

120 120 119 117 121

117 117 114 114 115

118 118 116 115 118

21 22 23 24 25

86 93 89 88 91

81 86 82 83 87

84 90 85 87 90

86 84 86 86 88

82 83 82 81 82

84 83 84 84 86

96 92 97 102 98

88 88 91 88 88

92 91 93 95 93

118 116 122 121 121

112 111 116 119 120

115 113 120 120 120

26 27 28 29 30 31

93 96 62 51 53 ---

90 56 50 48 51 ---

92 86 56 50 52 ---

90 91 91 94 93 87

87 89 87 84 87 85

89 90 90 89 91 86

100 103 102 103 107 107

90 91 97 99 101 102

94 98 100 101 105 104

121 124 123 118 115 ---

119 121 118 115 114 ---

120 123 120 116 114 ---

MONTH

100

48

81

94

38

74

107

56

87

124

98

112

YEAR

124

38

83

187

SANTEE RIVER BASIN 02160105 TYGER RIVER NEAR DELTA, SC--Continued pH, water, unfiltered, field, standard units WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

1 2 3 4 5

6.7 6.9 7.0 7.0 7.0

6.6 6.7 6.9 6.9 7.0

7.2 7.2 7.2 7.2 7.2

7.2 7.2 7.2 7.2 7.2

7.4 7.4 7.4 7.4 7.4

7.4 7.3 7.3 7.3 7.3

7.2 7.2 7.2 7.2 7.2

7.2 7.2 7.2 7.2 7.2

7.2 7.2 7.2 7.2 7.2

7.2 7.2 7.2 7.2 7.2

7.1 7.2 7.2 7.2 7.2

7.0 7.1 7.1 7.2 7.2

6 7 8 9 10

7.0 7.1 7.1 7.1 7.1

7.0 7.0 7.1 7.1 7.1

7.2 7.2 7.2 7.2 7.3

7.1 7.1 7.2 7.2 7.2

7.3 7.3 7.3 7.3 7.3

7.3 7.3 7.3 7.3 7.1

7.2 7.2 7.2 7.2 7.2

7.2 7.2 7.2 7.2 7.2

7.2 7.2 7.2 7.2 7.3

7.2 7.2 7.2 7.2 7.2

7.2 7.3 7.2 7.3 7.3

7.2 7.2 7.2 7.2 7.2

11 12 13 14 15

7.2 7.2 7.2 7.2 7.2

7.1 7.1 7.1 7.1 7.2

7.3 7.3 7.3 7.3 7.4

7.3 7.3 7.3 7.3 7.2

7.1 6.8 7.0 7.1 7.1

6.8 6.8 6.8 7.0 7.1

7.2 7.2 7.2 7.2 7.1

7.2 7.2 7.2 7.1 7.1

7.3 7.3 7.3 7.3 7.3

7.2 7.2 7.2 7.2 7.2

7.3 7.3 7.3 7.3 7.3

7.2 7.3 7.3 7.3 7.3

16 17 18 19 20

7.2 7.2 7.2 7.2 7.2

7.2 7.2 7.2 7.2 7.2

7.4 7.4 7.4 7.4 7.4

7.4 7.4 7.4 7.3 7.3

7.2 7.2 7.2 7.2 7.2

7.1 7.2 7.2 7.2 7.2

7.2 7.2 7.2 7.2 7.2

7.1 7.2 7.2 7.2 7.2

7.3 7.3 7.3 7.3 7.3

7.2 7.2 7.3 7.3 7.3

7.3 7.1 7.2 7.2 7.2

7.1 7.0 7.1 7.2 7.2

21 22 23 24 25

7.3 7.2 7.3 7.2 7.2

7.2 7.2 7.2 7.2 7.2

7.4 7.4 7.3 7.4 7.4

7.3 7.3 7.3 7.3 7.3

7.2 7.2 7.3 7.3 7.2

7.2 7.2 7.2 7.2 7.2

7.2 7.2 7.2 7.2 7.2

7.2 7.2 7.2 7.2 7.2

7.3 7.2 7.2 7.2 7.2

7.2 7.1 7.1 7.2 7.2

7.3 7.3 7.2 7.2 7.2

7.2 7.2 7.2 7.2 7.2

26 27 28 29 30 31

7.3 7.2 7.2 7.2 7.2 7.2

7.1 7.1 7.1 7.1 7.1 7.2

7.4 7.4 7.4 7.4 7.4 ---

7.4 7.4 7.4 7.4 7.4 ---

7.2 7.2 7.2 7.2 7.2 7.2

7.2 7.2 7.2 7.2 7.2 7.2

7.3 7.2 7.2 7.2 7.2 7.2

7.2 7.2 7.2 7.2 7.2 7.2

7.2 7.2 7.2 -------

7.2 7.2 7.0 -------

7.3 7.2 7.2 6.8 6.9 6.9

7.2 7.2 6.7 6.8 6.8 6.8

MONTH

7.3

6.6

7.4

7.1

7.4

6.8

7.3

7.1

7.3

7.0

7.3

6.7

DAY

MAX

MIN

MAX

MAX

MIN

MAX

MIN

OCTOBER

MAX

MIN

NOVEMBER

APRIL

MAX

MIN

DECEMBER

MAX

MIN

JANUARY

pH, water, unfiltered, field, standard units MIN MAX MIN MAX MIN MAY

JUNE

JULY

MAX

MIN

FEBRUARY

AUGUST

MAX

MIN

MARCH

SEPTEMBER

1 2 3 4 5

6.9 7.0 7.1 7.1 7.1

6.8 6.9 7.0 7.1 7.1

7.3 7.3 7.3 7.3 7.3

7.3 7.3 7.3 7.3 7.3

7.5 7.2 7.1 7.2 7.2

7.2 7.0 7.1 7.1 7.2

7.0 7.1 7.2 7.2 7.3

6.9 7.0 7.1 7.2 7.2

7.4 7.4 7.5 7.5 7.5

7.4 7.4 7.4 7.4 7.4

7.3 7.3 7.3 7.3 7.3

7.2 7.2 7.2 7.2 7.2

6 7 8 9 10

7.2 7.2 7.2 7.2 7.1

7.1 7.2 7.2 7.1 7.1

7.4 7.4 7.4 7.4 7.4

7.3 7.3 7.3 7.3 7.3

7.3 7.4 7.4 7.4 7.4

7.2 7.3 7.3 7.3 7.3

7.3 7.3 7.3 7.0 6.8

7.2 7.2 7.0 6.6 6.6

7.5 7.5 7.5 7.3 7.3

7.4 7.5 7.3 7.3 7.1

7.3 7.3 7.3 7.3 7.3

7.2 7.2 7.3 7.3 7.3

11 12 13 14 15

7.2 7.2 7.2 7.2 7.2

7.1 7.1 7.1 7.2 7.1

7.4 7.4 7.4 7.4 7.4

7.3 7.3 7.3 7.3 7.4

7.3 7.4 7.4 7.4 7.4

7.3 7.3 7.3 7.3 7.4

7.0 7.1 7.2 7.2 7.3

6.8 7.0 7.1 7.2 7.2

7.2 7.3 7.4 7.4 7.4

7.1 7.2 7.3 7.4 7.4

7.3 7.3 7.4 7.4 7.4

7.3 7.3 7.3 7.3 7.3

16 17 18 19 20

7.2 7.2 7.2 7.2 7.2

7.1 7.2 7.2 7.2 7.2

7.4 7.4 7.4 7.4 7.4

7.4 7.4 7.4 7.4 7.3

7.4 7.5 7.5 7.5 7.4

7.4 7.4 7.4 7.4 7.3

7.3 7.2 7.3 7.4 7.4

7.2 7.2 7.2 7.3 7.3

7.5 7.5 7.5 7.5 7.5

7.4 7.4 7.4 7.4 7.4

7.4 7.4 7.4 7.4 7.4

7.3 7.3 7.3 7.3 7.3

21 22 23 24 25

7.2 7.2 7.3 7.3 7.3

7.2 7.2 7.2 7.3 7.2

7.4 7.3 7.3 7.4 7.4

7.3 7.2 7.3 7.3 7.3

7.4 7.4 7.5 7.5 7.5

7.3 7.4 7.4 7.4 7.4

7.4 7.4 7.5 7.4 7.5

7.4 7.4 7.4 7.4 7.4

7.5 7.5 7.5 7.5 7.5

7.4 7.4 7.4 7.4 7.4

7.4 7.4 7.4 7.4 7.4

7.3 7.3 7.3 7.3 7.3

26 27 28 29 30 31

7.3 7.3 7.3 7.3 7.3 ---

7.3 7.3 7.3 7.3 7.3 ---

7.4 7.4 7.5 7.5 7.5 7.5

7.4 7.4 7.4 7.4 7.4 7.4

7.5 7.4 7.1 6.9 6.9 ---

7.4 7.1 6.9 6.8 6.9 ---

7.5 7.5 7.6 7.5 7.4 7.4

7.4 7.4 7.4 7.4 7.4 7.4

7.5 7.6 7.6 7.6 7.6 7.6

7.5 7.5 7.5 7.5 7.5 7.2

7.4 7.4 7.4 7.4 7.4 ---

7.3 7.3 7.3 7.3 7.3 ---

7.5

7.2

7.5

6.8

7.6

6.6

7.6

7.1

7.4

7.2

MONTH

7.3

6.8

YEAR

7.6

6.6

188

SANTEE RIVER BASIN 02160105 TYGER RIVER NEAR DELTA, SC--Continued Temperature, water, degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

21.5 21.7 21.8 22.0 21.2

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

20.7 20.7 20.6 20.7 19.9

21.1 21.2 21.2 21.3 20.6

21.2 20.8 21.4 21.1 20.6

19.6 19.6 20.2 20.4 16.6

20.5 20.3 20.8 20.8 18.2

11.4 10.2 8.8 8.2 7.7

9.9 8.6 7.6 6.9 6.3

10.6 9.2 8.3 7.6 7.2

8.3 9.2 10.0 11.2 11.8

6.4 7.6 8.4 9.3 10.2

7.3 8.4 9.2 10.2 11.0

20.4 20.2 19.3 19.6 20.6

19.3 18.9 17.8 18.1 18.6

19.7 19.5 18.7 18.9 19.6

16.6 14.6 14.5 13.7 12.2

14.6 13.6 13.0 12.2 10.8

15.4 14.0 13.7 12.8 11.5

9.0 11.3 12.2 11.6 12.3

7.7 9.0 11.0 11.0 11.2

8.3 10.0 11.5 11.2 11.7

12.7 12.6 13.2 12.8 11.2

10.9 11.5 12.1 11.1 9.7

11.8 12.1 12.6 11.9 10.6

11 12 13 14 15

20.7 20.3 20.8 21.1 20.7

18.8 19.1 19.8 19.7 17.7

19.7 19.8 20.3 20.4 19.0

11.5 12.4 13.6 12.7 10.6

11.1 11.5 12.4 10.6 9.1

11.4 11.8 12.9 11.6 9.8

11.6 10.9 10.0 9.4 7.4

10.9 10.0 9.3 7.4 5.5

11.2 10.3 9.6 8.4 6.4

11.1 12.2 14.8 14.8 12.9

9.8 10.5 12.1 12.9 10.1

10.5 11.3 13.2 14.3 11.3

16 17 18 19 20

17.7 17.0 17.7 18.3 18.7

15.7 15.0 16.1 16.8 17.7

16.7 16.1 16.9 17.6 18.3

9.5 9.8 11.2 13.0 14.4

8.3 8.0 8.9 11.1 13.0

9.0 9.0 10.0 12.0 13.7

5.5 5.3 5.7 5.9 5.3

4.4 4.0 4.2 4.7 3.4

5.0 4.6 5.0 5.3 4.1

10.1 8.3 6.0 3.9 4.0

8.3 6.0 3.9 2.6 2.0

9.1 7.1 4.8 2.9 3.0

21 22 23 24 25

18.6 19.1 18.6 17.6 18.8

17.9 17.9 17.5 17.0 17.0

18.2 18.5 18.0 17.3 17.9

14.9 15.4 15.8 16.2 16.0

13.8 14.5 15.3 15.6 13.6

14.4 15.0 15.5 15.9 15.3

4.0 4.6 7.9 7.6 7.1

2.4 2.8 4.6 7.0 5.6

3.2 3.6 6.5 7.2 6.2

5.8 5.7 5.3 3.4 4.0

3.9 5.3 3.4 1.7 1.9

4.8 5.4 4.2 2.6 3.0

26 27 28 29 30 31

17.9 18.3 18.2 18.3 20.2 21.3

17.3 17.3 17.7 17.6 18.1 19.1

17.6 17.8 18.0 17.9 19.1 20.2

13.6 10.7 10.2 9.9 9.9 ---

10.7 9.0 8.9 8.7 8.3 ---

11.9 9.4 9.4 9.3 9.1 ---

5.6 4.8 4.2 4.6 6.0 6.7

4.7 3.8 3.2 3.0 4.2 5.4

5.2 4.3 3.7 3.8 5.1 6.0

6.4 7.0 6.3 5.0 4.2 5.7

3.6 5.4 5.0 3.3 3.2 4.2

4.9 6.2 5.4 3.9 3.6 4.9

MONTH

22.0

15.0

18.9

21.4

8.0

13.5

12.3

2.4

7.1

14.8

1.7

7.8

MAX

MIN

MEAN

Temperature, water, degrees Celsius MAX MIN MEAN MAX MIN

MEAN

MAX

MIN

MEAN

OCTOBER

DAY

MIN NOVEMBER

FEBRUARY

MIN DECEMBER

MARCH

MIN

MEAN

JANUARY

APRIL

MAY

1 2 3 4 5

6.6 6.0 5.6 6.0 6.7

5.1 5.3 5.2 4.5 4.9

5.8 5.6 5.4 5.3 5.8

7.9 7.7 7.8 8.7 10.5

7.1 6.1 6.0 5.8 7.5

7.6 6.9 6.9 7.3 8.9

14.8 15.5 15.2 15.8 17.0

14.3 14.4 13.1 13.0 14.1

14.5 14.8 14.2 14.5 15.6

19.0 18.8 18.3 18.4 17.6

16.6 16.5 15.9 15.5 16.2

17.7 17.7 17.2 17.0 16.9

6 7 8 9 10

7.1 7.7 9.1 10.1 10.4

5.3 5.8 6.8 9.0 9.0

6.2 6.8 7.8 9.4 9.8

10.9 11.8 12.5 11.2 10.3

8.4 8.6 11.2 9.1 8.2

9.8 10.3 11.8 9.9 9.3

18.0 17.6 17.4 18.2 18.5

15.2 16.8 16.7 16.4 16.5

16.7 17.2 17.1 17.2 17.6

17.7 18.7 20.0 21.2 20.6

15.2 15.4 16.4 17.8 19.0

16.5 17.1 18.3 19.6 19.9

11 12 13 14 15

9.0 8.0 7.3 8.0 9.5

7.2 5.9 6.2 6.8 8.0

8.0 7.1 6.7 7.3 8.7

10.3 11.5 14.2 13.9 12.6

8.5 8.1 10.4 12.3 10.9

9.4 9.8 12.3 13.1 11.8

19.3 18.6 17.7 15.5 16.0

16.9 17.7 14.7 13.9 13.9

18.1 18.1 16.3 14.7 15.0

21.4 22.4 21.6 22.8 22.6

18.4 19.2 20.4 20.2 21.2

19.9 20.8 21.0 21.5 21.9

16 17 18 19 20

11.8 12.3 10.9 9.6 9.2

9.5 10.9 8.6 7.3 8.4

10.6 11.6 9.6 8.6 8.8

12.2 9.2 9.7 10.7 12.5

9.2 7.8 6.9 7.9 9.1

10.6 8.4 8.3 9.4 10.8

16.0 16.3 17.4 18.8 19.6

14.3 13.7 14.1 15.6 16.7

15.2 15.1 15.8 17.2 18.2

22.0 22.0 22.3 21.7 21.6

19.7 19.8 19.8 20.1 20.0

20.9 20.9 21.0 21.1 20.7

21 22 23 24 25

9.9 12.1 12.6 12.2 11.3

8.9 9.6 10.6 10.7 9.8

9.3 10.7 11.7 11.5 10.5

12.7 12.3 14.2 14.6 15.8

10.9 11.5 11.2 12.3 13.0

11.9 11.8 12.6 13.5 14.4

20.3 20.9 20.2 18.2 16.5

17.3 18.4 18.2 15.5 13.9

18.8 19.6 19.2 16.8 15.3

20.6 21.2 22.4 21.8 20.6

19.1 19.6 19.9 20.0 18.8

19.9 20.3 21.2 21.0 19.8

26 27 28 29 30 31

10.7 10.0 8.8 -------

9.0 8.8 7.7 -------

9.9 9.2 8.0 -------

16.0 15.7 14.9 14.6 15.8 15.7

14.4 14.9 13.5 12.8 13.6 14.6

15.2 15.2 14.2 13.6 14.6 14.9

15.6 16.5 16.4 17.8 17.3 ---

14.6 14.4 14.0 15.4 16.6 ---

15.0 15.4 15.4 16.6 16.9 ---

21.6 22.5 22.0 21.5 20.4 20.1

18.3 19.0 19.9 19.8 18.7 18.5

20.0 20.8 21.1 20.8 19.2 19.2

MONTH

12.6

4.5

8.4

16.0

5.8

11.1

20.9

13.0

16.4

22.8

15.2

19.7

189

SANTEE RIVER BASIN 02160105 TYGER RIVER NEAR DELTA, SC--Continued Temperature, water, degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

MEAN

MAX

1 2 3 4 5

19.8 18.1 18.1 20.5 23.1

18.1 17.3 17.6 18.0 20.2

MEAN

MAX

MEAN

MAX

19.0 17.5 17.8 19.2 21.6

25.7 25.9 26.0 25.6 27.1

24.9 25.0 24.8 24.2 24.6

25.3 25.4 25.3 24.9 25.8

25.7 26.6 27.4 28.3 27.4

24.4 24.1 24.8 25.4 25.9

25.0 25.3 26.1 26.8 26.6

27.6 27.1 27.0 26.0 25.0

25.3 24.2 24.2 23.1 22.7

26.5 25.7 25.5 24.6 23.9

6 7 8 9 10

24.8 24.8 25.1 25.8 24.8

21.8 22.8 23.3 23.3 23.9

23.3 23.9 24.1 24.5 24.3

26.7 26.5 26.0 24.5 24.5

25.7 25.4 24.5 23.5 23.9

26.2 25.9 25.3 23.9 24.2

27.4 26.2 25.5 25.6 26.4

25.4 25.2 24.0 24.0 24.7

26.4 25.6 24.8 24.7 25.3

23.5 23.8 24.8 24.3 24.2

21.6 21.1 21.2 20.7 20.7

22.7 22.4 23.0 22.6 22.5

11 12 13 14 15

24.3 25.1 26.1 27.4 28.0

23.1 23.3 24.0 24.4 25.1

23.7 24.1 25.0 25.9 26.6

25.2 26.5 26.5 26.0 26.6

24.4 24.8 25.4 24.9 24.6

24.8 25.6 25.9 25.4 25.5

26.2 27.6 28.1 28.6 28.5

24.7 25.5 26.0 26.2 26.0

25.4 26.5 27.0 27.3 27.3

24.3 23.9 24.4 24.9 26.4

21.0 20.3 20.8 22.4 22.5

22.6 22.1 22.6 23.6 24.4

16 17 18 19 20

27.1 26.3 25.9 24.8 23.3

24.8 24.4 23.3 23.2 22.0

26.1 25.4 24.7 23.9 22.6

26.3 27.3 28.4 28.7 29.2

25.4 25.2 26.0 26.2 26.7

25.8 26.2 27.1 27.5 27.9

29.2 29.5 27.8 28.2 29.3

26.7 26.9 26.3 25.8 26.6

27.9 28.0 27.1 27.0 28.0

26.6 27.0 26.9 26.5 26.6

23.3 23.2 23.2 22.5 23.3

24.9 25.1 25.0 24.5 24.9

21 22 23 24 25

23.3 24.3 25.6 25.8 24.8

21.0 21.6 22.5 22.9 23.3

22.3 23.0 24.0 24.4 24.1

29.4 29.3 29.2 28.7 29.3

27.0 27.0 26.9 26.6 26.5

28.2 28.1 28.0 27.6 27.9

30.0 28.1 27.8 26.6 26.8

27.2 26.4 25.6 25.6 24.8

28.4 27.1 26.6 26.0 25.8

26.7 26.9 26.5 26.0 25.5

23.4 23.8 22.9 22.8 23.4

25.1 25.1 24.7 24.5 24.6

26 27 28 29 30 31

24.9 25.7 23.9 23.9 25.0 ---

23.4 23.5 23.1 23.0 23.8 ---

24.1 24.5 23.5 23.3 24.3 ---

30.1 30.7 30.1 28.2 25.4 25.5

27.0 27.7 27.9 25.3 24.7 24.6

28.6 29.2 28.9 26.7 25.0 25.0

26.4 26.6 27.0 27.1 27.4 28.5

24.1 23.7 24.4 25.1 25.8 25.6

25.3 25.2 25.8 26.2 26.6 27.0

24.8 25.5 23.9 24.9 23.5 ---

23.2 22.8 21.6 21.7 21.2 ---

24.1 24.1 22.9 23.3 22.3 ---

MONTH

28.0

YEAR

30.7

17.3

23.4

30.7

23.5

26.4

30.0

23.7

26.4

27.6

20.3

24.0

1.7

17.0

JUNE

MIN JULY

MIN AUGUST

MIN

MEAN

SEPTEMBER

190

SANTEE RIVER BASIN 02160105 TYGER RIVER NEAR DELTA, SC--Continued

Dissolved oxygen, water, unfiltered, milligrams per liter WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

MEAN

MAX

OCTOBER

MIN

MEAN

MAX

NOVEMBER

MIN

MEAN

MAX

DECEMBER

MIN

MEAN

JANUARY

1 2 3 4 5

8.8 8.8 -------

6.9 8.4 -------

7.7 8.6 -------

-----------

-----------

-----------

10.8 10.9 10.7 11.1 11.3

10.4 10.4 10.4 10.7 10.9

10.5 10.6 10.6 10.9 11.1

11.5 11.2 10.9 10.6 10.3

11.1 10.8 10.6 10.3 10.0

11.4 11.0 10.8 10.5 10.2

6 7 8 9 10

--8.7 8.8 8.3 ---

--8.0 7.8 7.8 ---

--8.2 8.3 8.1 ---

8.6 9.0 9.3 9.8 10.3

7.9 8.6 9.0 9.2 9.8

8.3 8.9 9.2 9.6 10.2

11.0 10.7 10.2 10.2 10.2

10.7 10.2 10.0 10.0 9.7

10.9 10.5 10.1 10.2 10.0

10.1 10.0 9.9 10.2 10.5

9.7 9.7 9.7 9.8 10.1

10.0 9.9 9.8 10.0 10.3

11 12 13 14 15

-----------

-----------

-----------

10.3 10.2 10.0 10.6 11.3

10.2 9.9 9.9 9.9 10.6

10.3 10.1 9.9 10.3 11.1

9.7 10.2 10.6 11.4 12.3

9.5 9.7 10.1 10.6 11.4

9.6 10.0 10.3 11.0 11.9

10.6 10.4 10.0 9.4 10.4

10.3 10.0 9.4 9.0 9.3

10.4 10.3 9.8 9.2 9.9

16 17 18 19 20

-----------

-----------

-----------

11.4 11.5 11.2 10.6 10.0

11.1 11.1 10.6 10.0 9.6

11.3 11.3 11.0 10.4 9.9

12.8 12.9 12.7 12.5 13.1

12.3 12.6 12.4 12.2 12.3

12.6 12.8 12.6 12.4 12.8

10.9 11.8 12.6 13.1 13.1

10.4 10.9 11.8 12.6 12.5

10.8 11.4 12.3 13.0 12.9

21 22 23 24 25

-----------

-----------

-----------

9.8 9.6 9.3 9.1 9.5

9.5 9.3 9.1 8.8 8.8

9.7 9.5 9.2 9.0 9.0

13.5 13.5 13.0 11.8 12.4

13.1 13.0 11.6 11.6 11.8

13.3 13.3 12.3 11.7 12.1

12.5 12.0 12.6 13.2 13.2

12.0 11.8 11.8 12.6 12.6

12.3 11.9 12.2 13.0 12.9

26 27 28 29 30 31

-------------

-------------

-------------

10.3 10.9 10.9 11.0 11.2 ---

9.5 10.3 10.7 10.7 10.8 ---

10.0 10.7 10.8 10.9 11.0 ---

12.8 13.2 13.5 13.6 12.3 11.9

12.4 12.8 13.2 12.3 11.8 11.5

12.6 13.1 13.4 13.1 12.2 11.7

12.6 11.6 12.1 12.5 12.6 12.3

11.5 11.4 11.5 12.0 12.3 12.0

12.2 11.5 11.8 12.3 12.5 12.2

MONTH

---

---

---

---

---

---

13.6

9.5

11.6

13.2

9.0

11.2

DAY

MAX

MIN

MAX

MIN

MEAN

1 2 3 4 5

12.0 12.0 12.0 12.2 12.1

11.8 11.7 11.9 11.9 11.9

11.9 11.9 11.9 12.1 12.0

11.7 12.1 12.4 12.5 12.0

11.3 11.7 12.1 11.9 11.4

11.5 12.0 12.2 12.2 11.8

8.9 8.9 9.3 9.3 9.1

8.8 8.7 8.9 9.0 8.8

8.8 8.8 9.1 9.1 9.0

8.8 8.8 8.9 9.2 9.1

8.4 8.5 8.5 8.8 8.9

8.7 8.6 8.8 9.0 9.0

6 7 8 9 10

12.0 11.9 11.5 11.0 10.8

11.7 11.4 11.0 10.6 10.5

11.9 11.7 11.4 10.8 10.6

11.6 11.6 10.8 11.5 11.8

11.2 10.8 10.6 10.8 11.5

11.4 11.3 10.6 11.3 11.7

9.0 8.6 8.5 8.4 8.6

8.6 8.4 8.4 8.3 8.3

8.8 8.5 8.5 8.4 8.5

9.4 9.3 9.1 8.8 8.6

9.0 8.8 8.5 8.3 8.3

9.2 9.1 8.8 8.6 8.5

11 12 13 14 15

11.3 11.8 11.9 11.7 11.4

10.8 11.3 11.5 11.4 10.8

11.1 11.6 11.7 11.6 11.1

11.8 11.8 11.2 10.7 11.2

11.5 11.1 10.4 10.3 10.6

11.6 11.5 10.9 10.5 11.0

8.6 8.4 8.9 9.3 9.3

8.3 8.3 8.2 8.9 9.1

8.5 8.4 8.5 9.2 9.2

8.8 8.7 8.4 8.5 8.2

8.4 8.2 8.2 8.0 8.0

8.6 8.4 8.3 8.3 8.1

16 17 18 19 20

10.8 10.3 11.1 11.5 11.3

10.2 10.1 10.3 11.0 11.0

10.6 10.2 10.8 11.3 11.2

11.4 11.9 12.2 11.9 11.5

10.8 11.4 11.7 11.4 10.9

11.1 11.7 12.0 11.7 11.3

9.4 9.5 9.4 9.1 8.8

9.1 9.2 8.9 8.6 8.4

9.3 9.4 9.2 8.9 8.6

8.5 8.5 8.6 8.5 8.3

8.1 8.3 8.3 8.2 8.0

8.3 8.4 8.5 8.3 8.2

21 22 23 24 25

11.0 10.6 10.3 10.3 10.6

10.6 10.0 9.8 9.9 10.3

10.9 10.3 10.1 10.0 10.5

11.0 10.9 10.7 10.3 10.1

10.6 10.6 10.2 10.0 9.7

10.9 10.8 10.5 10.2 10.0

8.6 8.3 8.2 8.9 9.3

8.2 7.8 7.8 8.2 8.9

8.4 8.1 8.1 8.6 9.1

8.5 8.4 8.3 8.4 8.8

8.2 8.2 8.0 8.1 8.3

8.4 8.3 8.2 8.3 8.6

26 27 28 29 30 31

11.1 11.3 11.3 -------

10.6 11.0 11.2 -------

10.9 11.2 11.3 -------

9.8 9.6 9.5 9.1 9.1 8.8

9.6 9.5 8.8 8.9 8.3 8.2

9.7 9.5 9.1 9.0 8.8 8.5

9.3 9.3 9.4 9.1 8.8 ---

9.0 9.0 9.0 8.6 8.6 ---

9.2 9.2 9.2 8.9 8.7 ---

8.9 8.8 8.7 8.8 8.9 8.9

8.4 8.3 8.3 8.4 8.6 8.6

8.7 8.6 8.5 8.6 8.8 8.8

MONTH

12.2

9.8

11.2

12.5

8.2

10.8

9.5

7.8

8.8

9.4

8.0

8.6

Dissolved oxygen, water, unfiltered, milligrams per liter MEAN MAX MIN MEAN MAX MIN MEAN

FEBRUARY

MARCH

APRIL

MAY

191

SANTEE RIVER BASIN 02160105 TYGER RIVER NEAR DELTA, SC--Continued Dissolved oxygen, water, unfiltered, milligrams per liter WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

8.8 8.7 8.7 8.6 8.3

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

8.6 8.5 8.6 8.3 7.8

8.7 8.6 8.6 8.5 8.1

6.7 7.0 7.2 7.3 7.3

6.6 6.7 7.0 7.2 7.1

6.7 6.9 7.1 7.2 7.2

7.5 7.6 7.5 7.2 7.2

7.3 7.2 7.0 6.8 6.9

7.4 7.4 7.2 7.0 7.0

7.3 7.5 7.6 7.8 8.0

6.9 7.1 7.2 7.3 7.5

7.1 7.3 7.4 7.6 7.7

8.0 7.4 7.3 7.3 7.3

7.3 7.2 7.1 7.0 7.1

7.7 7.3 7.2 7.2 7.2

7.2 7.2 7.4 7.0 6.7

7.1 7.1 7.0 6.6 6.4

7.2 7.2 7.3 6.7 6.6

7.2 7.3 7.4 7.3 7.2

7.0 7.1 7.1 7.1 6.8

7.1 7.2 7.3 7.2 7.1

8.2 8.3 8.2 8.3 8.4

7.7 7.9 7.7 7.8 7.9

8.0 8.1 8.0 8.0 8.1

11 12 13 14 15

7.2 7.2 7.2 7.2 7.0

7.1 7.1 7.0 6.8 6.7

7.2 7.2 7.1 7.0 6.9

7.1 6.8 6.8 7.0 7.0

6.4 6.8 6.8 6.8 6.9

6.8 6.8 6.8 6.9 7.0

7.0 7.0 7.1 7.1 7.1

6.8 6.9 6.9 6.9 6.8

7.0 7.0 7.0 7.0 7.0

8.3 8.5 8.4 8.1 8.1

7.9 8.0 7.8 7.7 7.5

8.1 8.2 8.1 7.9 7.8

16 17 18 19 20

7.2 7.3 7.5 7.6 7.8

6.8 6.9 7.1 7.3 7.5

7.0 7.1 7.3 7.4 7.6

7.0 6.9 6.9 6.9 6.9

6.8 6.8 6.7 6.6 6.6

6.9 6.9 6.8 6.8 6.8

7.2 7.1 7.1 7.3 7.2

6.9 6.7 6.9 7.0 6.9

7.0 6.9 7.0 7.2 7.0

8.0 8.0 8.1 8.3 8.2

7.4 7.4 7.5 7.6 7.5

7.7 7.7 7.7 7.9 7.8

21 22 23 24 25

7.8 7.9 7.8 7.7 7.7

7.5 7.5 7.4 7.3 7.4

7.7 7.7 7.6 7.5 7.6

6.8 6.8 7.0 7.0 7.1

6.5 6.5 6.6 6.7 6.7

6.7 6.7 6.8 6.9 6.9

7.1 7.3 7.5 7.5 7.8

6.9 6.9 7.3 7.3 7.5

7.0 7.2 7.4 7.4 7.6

8.2 8.2 8.0 8.0 8.0

7.6 7.3 7.3 7.3 7.4

7.8 7.7 7.6 7.6 7.6

26 27 28 29 30 31

7.7 7.5 7.1 6.8 6.8 ---

7.4 6.9 6.8 6.5 6.6 ---

7.6 7.4 7.0 6.6 6.7 ---

7.0 6.9 7.0 7.3 7.4 7.4

6.6 6.6 6.6 6.8 7.2 7.3

6.8 6.7 6.8 7.1 7.3 7.4

7.9 8.0 7.9 7.8 7.6 7.7

7.6 7.6 7.5 7.5 7.4 6.9

7.7 7.8 7.7 7.6 7.5 7.3

8.0 8.0 8.3 8.2 8.4 ---

7.5 7.4 7.6 7.5 7.6 ---

7.7 7.7 7.9 7.8 8.0 ---

MONTH

8.8

6.5

7.5

7.4

6.4

6.9

8.0

6.7

7.2

8.5

6.9

7.8

JUNE

MIN JULY

MIN AUGUST

MIN

MEAN

SEPTEMBER

192

SANTEE RIVER BASIN 02160200 ENOREE RIVER AT TAYLORS, SC

LOCATION.--Lat 34°55'25'', long 82°17'40'', Greenville County, Hydrologic Unit 03050108, on downstream side of bridge on county road 38, 0.6 mi downstream from Mountain Creek, at Taylors. DRAINAGE AREA.--49.7 mi2. PERIOD OF RECORD.--March 1998 to current year. GAGE.--Data collection platform. Elevation of gage is 827 ft above NGVD of 1929 (from topographic map). REMARKS.--Records good except for estimated daily discharges, which are poor. Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

101 86 81 75 68

54 59 80 370 178

89 80 63 57 68

81 79 77 75 74

71 67 136 100 83

119 96 88 83 78

187 156 130 118 112

109 92 83 79 83

135 177 100 86 76

300 193 143 174 158

87 79 74 71 68

48 47 48 47 45

6 7 8 9 10

64 63 60 59 58

99 82 74 68 59

73 105 76 335 1430

75 72 77 71 69

76 73 71 70 70

75 74 110 84 77

107 109 376 237 154

80 76 74 71 75

111 118 199 210 237

116 e1700 e1250 249 187

69 96 104 114 79

44 44 44 43 42

11 12 13 14 15

56 55 62 56 55

58 113 86 68 63

296 160 121 102 92

67 67 71 215 101

66 65 64 68 70

74 72 71 73 70

131 146 513 204 150

84 70 68 94 88

165 124 148 106 90

168 161 135 127 120

73 68 69 83 66

42 41 41 43 47

16 17 18 19 20

53 52 52 64 62

61 58 58 57 61

87 83 79 76 71

94 81 73 71 71

67 64 61 61 65

97 91 81 77 75

128 117 110 105 99

93 73 68 67 267

81 75 71 89 112

114 107 103 99 150

62 60 73 82 64

42 40 38 37 37

21 22 23 24 25

56 55 54 59 57

59 58 61 83 116

70 69 375 190 131

70 68 68 64 65

92 96 76 108 90

74 86 156 106 95

96 103 130 97 92

129 92 82 73 67

112 82 73 68 65

113 94 89 85 83

60 59 59 62 57

37 37 38 38 37

26 27 28 29 30 31

54 54 54 56 56 57

78 67 70 62 60 ---

111 99 92 89 86 83

64 63 60 e65 e110 e80

83 76 179 -------

92 116 1280 313 188 220

93 101 87 86 115 ---

65 63 61 61 65 62

68 541 1040 978 933 ---

79 76 98 127 105 89

55 54 54 53 61 50

38 39 37 51 44 ---

1894 61.1 101 52 1.23 1.42

2520 84.0 370 54 1.69 1.89

4938 159 1430 57 3.21 3.70

2438 78.6 215 60 1.58 1.82

2268 81.0 179 61 1.63 1.70

4391 142 1280 70 2.85 3.29

4389 146 513 86 2.94 3.29

2614 84.3 267 61 1.70 1.96

6470 216 1040 65 4.34 4.84

6792 219 1700 76 4.41 5.08

2165 69.8 114 50 1.41 1.62

1256 41.9 51 37 0.84 0.94

77.7 216 2005 17.5 2002

76.5 219 2005 17.5 2002

49.6 149 2003 12.3 2001

58.5 193 2004 19.5 1999

TOTAL MEAN MAX MIN CFSM IN.

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1998 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

53.5 108 2003 14.5 2001

56.6 84.0 2005 26.9 2002

88.2 163 2003 39.2 2002

69.0 78.6 2005 54.0 2001

80.1 122 2004 44.1 2001

111 213 2003 56.6 1999

102 180 2003 38.1 2002

84.3 225 2003 27.4 2001

193

SANTEE RIVER BASIN 02160200 ENOREE RIVER AT TAYLORS, SC--Continued SUMMARY STATISTICS

FOR 2004 CALENDAR YEAR

ANNUAL TOTAL ANNUAL MEAN HIGHEST ANNUAL MEAN LOWEST ANNUAL MEAN HIGHEST DAILY MEAN LOWEST DAILY MEAN ANNUAL SEVEN-DAY MINIMUM MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE ANNUAL RUNOFF (CFSM) ANNUAL RUNOFF (INCHES) 10 PERCENT EXCEEDS 50 PERCENT EXCEEDS 90 PERCENT EXCEEDS

FOR 2005 WATER YEAR

31044 84.8 1430 28 31

Dec 10 Jun 12 May 24

e 1700 37 a 37 4330 b 13.25 2.32 31.54 163 76 54

1.71 23.24 118 59 36

a b

Also occurred Sep. 20-22, 25, 28. From floodmarks.

e

Estimated

WATER YEARS 1998 - 2005

42135 115

74.2 141 36.9 e 2000 2.3 3.1 5600 b 13.77 1.49 20.28 126 53 17

Jul 7 Sep 19 Sep 19 Jul 7 Jul 7

Mar Aug Aug Mar Mar

20 14 9 20 20

2003 2002 2003 2002 2002 2003 2003

10,000

5000

DISCHARGE, IN CUBIC FEET PER SECOND

2000

1000

500

200

100

50

20

10

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

194

SANTEE RIVER BASIN 02160325 BRUSHY CREEK NEAR GREENVILLE, SC

LOCATION.--Lat 34°53'00'', long 82°18'05'', Greenville County, Hydrologic Unit 03050108, 0.5 mi southeast of St. Luke Church, 0.7 mi south of Eastside High School, 5.0 mi upstream from the mouth at Enoree, at the (J-180) crossing of Brushy Creek. DRAINAGE AREA.--9.05 mi2. PERIOD OF RECORD.--August 1985 to September 2005. GAGE.--Data collection platform. Elevation of gage is 245 ft above NGVD of 1929 (from topographic map). REMARKS.--Records fair except for estimated daily discharges, which are poor. Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

DEC

1 2 3 4 5

11 9.8 15 8.8 8.0

6.9 16 20 98 15

19 8.7 8.4 8.3 8.0

6 7 8 9 10

7.8 7.9 7.6 7.5 7.4

10 9.1 8.4 8.0 7.8

11 12 13 14 15

7.3 7.3 13 6.8 6.8

16 17 18 19 20

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

11 10 10 10 11

11 10 51 14 12

17 14 12 12 11

13 14 16 15 13

15 11 10 9.9 13

85 54 18 15 12

e21 e15 e19 e14 e12

e12 e12 e11 e10 e10

5.5 6.5 6.2 6.1 6.2

47 21 12 201 320

13 11 13 10 10

11 11 11 11 10

11 11 37 11 10

8.2 17 82 19 15

10 9.7 9.4 9.1 17

98 31 113 33 31

e11 480 43 e23 e18

e11 e61 e12 e12 e11

6.1 6.5 6.3 6.1 5.6

8.3 31 9.8 8.3 8.1

32 19 15 13 12

10 11 27 42 13

9.3 9.0 7.3 12 9.9

9.6 9.5 9.3 12 6.9

14 34 24 16 15

10 8.9 9.7 43 48

18 21 23 13 e11

e32 e24 e17 e15 e14

e16 e10 e12 e9.6 e9.2

5.7 5.8 5.7 5.6 5.3

6.2 6.1 6.2 12 6.9

7.9 7.9 7.6 7.5 9.9

11 11 11 11 10

12 12 11 11 10

9.5 9.8 8.8 8.8 14

27 8.5 8.4 9.6 9.3

13 12 12 9.5 11

14 11 9.9 9.6 138

e10 e9.9 e9.7 e37 e12

e14 e13 e12 e12 e69

e8.8 e8.9 e10 e9.2 e8.6

5.5 5.4 5.2 5.2 5.1

21 22 23 24 25

6.9 6.8 6.9 13 6.6

8.0 8.1 11 34 15

10 9.9 118 21 16

11 11 9.9 9.9 11

46 16 11 34 12

8.1 33 39 16 11

11 25 14 11 11

22 15 12 11 11

e16 e10 e9.0 e8.7 e8.5

e19 e13 e13 e12 e11

e8.3 e8.6 e25 e9.0 e8.0

5.1 5.3 5.3 5.2 5.1

26 27 28 29 30 31

6.5 6.5 6.6 7.2 6.9 6.9

9.3 11 10 8.1 8.0 ---

14 12 12 12 11 11

9.5 11 9.2 12 29 13

11 12 65 -------

8.4 95 268 25 20 45

20 12 10 10 31 ---

10 9.7 9.9 9.5 15 10

e54 e195 e217 e108 e51 ---

e11 e10 e80 e42 e17 e14

e8.2 e11 e8.8 e9.4 6.5 5.5

5.5 5.5 5.5 14 5.4 ---

250.2 8.07 15 6.1

428.0 14.3 98 6.9

1045.3 33.7 320 8.0

404.5 13.0 42 9.2

457.4 16.3 65 7.3

824.6 26.6 268 6.9

527.7 17.6 82 8.2

551.3 17.8 138 8.9

1331.8 44.4 217 8.5

1120 36.1 480 10

372.6 12.0 61 5.5

177.5 5.92 14 5.1

36.1 36.1 2005 36.1 2005

12.0 12.0 2005 12.0 2005

5.92 5.92 2005 5.92 2005

TOTAL MEAN MAX MIN

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 2005 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

8.07 8.07 2005 8.07 2005

14.3 14.3 2005 14.3 2005

33.7 33.7 2005 33.7 2005

13.0 13.0 2005 13.0 2005

16.3 16.3 2005 16.3 2005

26.6 26.6 2005 26.6 2005

17.6 17.6 2005 17.6 2005

17.8 17.8 2005 17.8 2005

44.4 44.4 2005 44.4 2005

195

SANTEE RIVER BASIN 02160325 BRUSHY CREEK NEAR GREENVILLE, SC--Continued SUMMARY STATISTICS

FOR 2005 WATER YEAR

ANNUAL TOTAL ANNUAL MEAN HIGHEST DAILY MEAN LOWEST DAILY MEAN ANNUAL SEVEN-DAY MINIMUM MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE 10 PERCENT EXCEEDS 50 PERCENT EXCEEDS 90 PERCENT EXCEEDS e

7490.9 20.5 480 5.1 5.2 2470 12.05 34 11 6.6

Jul 7 Sep 20 Sep 19 Jul 7 Jul 7

Estimated 1000

500

DISCHARGE, IN CUBIC FEET PER SECOND

200

100

50

20

10

5

2

1

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

196

SANTEE RIVER BASIN 02160326 ENOREE RIVER AT PELHAM, SC

LOCATION.--Lat 34°51'23'', long 82°13'35'', Spartanburg County, Hydrologic Unit 03050108, near left bank, on downstream side of bridge on S.C. Highway 14, 0.5 mi downstream from Brushy Creek, at Pelham, and at mile 81.2. DRAINAGE AREA.--84.2 mi2. PERIOD OF RECORD.--March 1993 to current year. GAGE.--Data collection platform. Elevation of gage is 730 ft above NGVD of 1929 (from topographic map). REMARKS.--Records poor. Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

182 154 154 138 125

95 116 131 559 484

150 140 119 106 115

147 143 143 143 142

143 130 301 199 161

230 176 160 153 153

364 254 199 175 163

179 139 125 115 127

378 541 221 172 145

586 362 241 281 256

152 138 130 123 119

87 85 83 82 80

6 7 8 9 10

116 112 109 106 105

173 139 126 117 108

211 240 152 563 2660

145 142 149 140 134

149 144 148 149 138

142 143 257 160 147

156 166 482 552 242

121 113 112 111 116

228 300 305 419 341

194 2620 2130 433 282

118 160 191 201 154

79 77 77 76 76

11 12 13 14 15

104 102 120 102 100

104 202 168 121 108

1000 353 261 185 164

132 132 144 437 190

126 125 121 134 140

141 140 143 147 132

198 220 539 410 207

137 114 109 220 216

302 201 241 175 147

254 248 229 205 190

134 125 123 147 120

74 73 72 72 82

16 17 18 19 20

93 89 91 107 114

109 103 102 100 104

153 152 149 141 126

167 144 131 124 130

141 132 122 122 135

203 179 149 141 143

172 158 156 150 145

174 129 115 115 642

133 125 119 178 154

175 164 157 152 203

128 114 118 157 122

75 69 65 64 64

21 22 23 24 25

101 103 98 114 106

102 102 110 190 205

129 129 698 409 211

134 127 116 109 122

231 230 165 254 184

135 183 377 217 182

138 178 197 139 130

308 170 146 131 118

202 145 124 116 111

235 155 144 141 134

111 109 109 121 106

63 63 64 63 62

26 27 28 29 30 31

101 97 97 97 96 97

140 122 129 114 108 ---

178 163 151 150 153 147

128 121 111 111 197 175

162 150 419 -------

175 293 1960 e920 317 438

139 156 126 127 198 ---

114 111 106 105 117 112

137 1220 1300 1660 1260 ---

130 127 180 295 208 165

101 99 99 97 112 106

64 69 67 89 88 ---

TOTAL MEAN MAX MIN CFSM IN.

3430 111 182 89 1.31 1.52

4591 153 559 95 1.82 2.03

9658 312 2660 106 3.70 4.27

4610 149 437 109 1.77 2.04

4755 170 419 121 2.02 2.10

8436 272 1960 132 3.23 3.73

6636 221 552 126 2.63 2.93

4767 154 642 105 1.83 2.11

11100 370 1660 111 4.39 4.90

11276 364 2620 127 4.32 4.98

3944 127 201 97 1.51 1.74

2204 73.5 89 62 0.87 0.97

143 370 2005 44.7 2002

135 364 2005 54.3 2000

147 529 1995 37.9 1999

119 410 2004 46.7 1999

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1993 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

116 226 1996 33.6 2001

124 252 1996 62.5 2002

164 312 2005 82.4 2002

189 367 1998 105 2001

206 387 1998 95.7 2001

219 384 2003 110 2004

184 323 1998 86.6 2002

154 367 2003 62.9 2001

197

SANTEE RIVER BASIN 02160326 ENOREE RIVER AT PELHAM, SC--Continued SUMMARY STATISTICS

FOR 2004 CALENDAR YEAR

ANNUAL TOTAL ANNUAL MEAN HIGHEST ANNUAL MEAN LOWEST ANNUAL MEAN HIGHEST DAILY MEAN LOWEST DAILY MEAN ANNUAL SEVEN-DAY MINIMUM MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE ANNUAL RUNOFF (CFSM) ANNUAL RUNOFF (INCHES) 10 PERCENT EXCEEDS 50 PERCENT EXCEEDS 90 PERCENT EXCEEDS

FOR 2005 WATER YEAR

60913 166 3000 52 60

WATER YEARS 1993 - 2005

75407 207 Sep 8 Aug 31 Aug 5

2660 62 63 5000 15.61 2.45 33.32 303 141 97

1.98 26.91 226 110 73

159 246 85.5 8500 16 a 19 b 11300 c 22.98 1.88 25.59 257 111 51

Dec 10 Sep 25 Sep 19 Jul 7 Jul 7

Aug Sep Sep Aug Aug

27 18 14 27 27

2003 2001 1995 1999 1999 1995 1995

a b c

Also occurred Sep. 19, 1999. From rating curve extended aboe 3,000 ft3/s on basis of contracted-opening and flow-over-road measurement of peak flow. From floodmarks.

e

Estimated 10,000

5000

DISCHARGE, IN CUBIC FEET PER SECOND

2000

1000

500

200

100

50

20

10

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

198

SANTEE RIVER BASIN 02160381 DURBIN CREEK ABOVE FOUNTAIN INN, SC

LOCATION.--Lat 34°42'45'', long 82°09'42'', Laurens County, Hydrologic Unit 03050108, at Durbin Creek Treatment Plant, off State Road 418, approximately 2.5 mi northeast of Fountain Inn. DRAINAGE AREA.--14.0 mi2. WATER-DISCHARGE RECORDS PERIOD OF RECORD.--July 1994 to current year. GAGE.--Data collection platform. Elevation of gage is 640 ft above NGVD of 1929 (from topographic map). REMARKS.--Records good except for estimated daily discharges, which are poor. Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY 1 2 3 4 5

OCT 18 15 15 12 12

NOV

DEC

7.9 7.9 12 28 12

12 9.1 8.7 8.4 8.2

FEB

MAR

APR

AUG

SEP

12 12 11 11 11

JAN

11 11 34 18 15

22 18 17 16 15

41 31 24 22 20

15 13 13 12 13

MAY

56 83 29 21 16

JUN

16 14 14 13 12

JUL

18 12 10 9.1 9.4

7.3 7.1 6.9 7.0 6.8

6 7 8 9 10

10 9.9 8.8 8.4 8.8

8.9 8.4 8.0 7.5 7.3

14 14 11 36 222

12 11 11 11 11

13 13 12 12 12

14 14 25 15 14

19 24 86 39 27

12 12 11 12 38

14 13 13 13 24

11 44 17 13 12

9.7 14 11 10 69

6.4 6.3 6.4 6.1 5.9

11 12 13 14 15

8.6 8.4 8.8 7.9 7.9

7.7 15 9.8 8.3 8.0

33 22 18 15 14

11 10 15 38 15

11 11 11 13 12

14 13 13 16 13

23 26 27 22 19

22 13 12 12 19

19 15 13 12 11

12 42 81 35 22

20 13 13 12 10

5.8 5.8 5.4 5.3 5.3

16 17 18 19 20

7.6 7.1 7.3 8.4 8.2

7.9 7.8 7.7 7.6 8.0

13 13 12 12 e11

13 12 12 e12 11

12 11 11 10 12

31 26 18 16 15

18 17 18 16 16

15 12 12 11 212

10 9.7 9.3 14 10

17 14 13 12 11

9.8 11 11 11 9.3

5.3 5.3 5.3 5.1 5.2

21 22 23 24 25

8.4 8.0 7.8 e11 e8.5

8.2 8.6 12 18 16

e11 11 47 21 16

11 11 11 e10 11

61 39 21 35 21

15 18 42 21 18

16 21 22 15 14

32 18 15 13 12

14 14 9.7 8.9 8.6

11 11 9.9 9.4 9.1

8.9 14 11 9.9 9.2

5.2 4.9 4.8 4.7 4.8

26 27 28 29 30 31

7.9 e8.2 e8.2 8.4 8.2 7.7

11 9.8 10 9.0 8.8 ---

15 14 13 13 12 12

10 10 9.7 11 18 13

18 17 41 -------

16 76 e485 44 32 61

16 17 14 14 15 ---

11 10 10 9.9 13 11

17 116 187 32 20 ---

8.6 8.3 13 29 15 29

8.9 8.6 8.4 8.4 8.3 7.9

5.1 5.3 5.0 4.9 4.3 ---

TOTAL MEAN MAX MIN CFSM IN.

290.4 9.37 18 7.1 0.67 0.77

307.1 10.2 28 7.3 0.73 0.82

691.4 22.3 222 8.2 1.59 1.84

387.7 12.5 38 9.7 0.89 1.03

518 18.5 61 10 1.32 1.38

1173 37.8 485 13 2.70 3.12

699 23.3 86 14 1.66 1.86

645.9 20.8 212 9.9 1.49 1.72

832.2 27.7 187 8.6 1.98 2.21

578.3 18.7 81 8.3 1.33 1.54

395.8 12.8 69 7.9 0.91 1.05

169.0 5.63 7.3 4.3 0.40 0.45

12.2 27.7 2005 3.48 2000

10.1 18.7 2005 2.31 2002

13.5 61.5 1995 0.72 2002

14.4 67.7 2004 3.63 1999

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1994 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

11.3 24.8 2000 4.07 2001

12.6 23.5 1996 6.52 2002

15.8 25.0 2003 7.55 2002

20.9 47.3 1995 9.50 2001

25.1 51.4 1998 8.16 2001

27.3 40.9 2003 11.2 2004

20.4 57.2 1998 9.92 2004

14.3 33.2 2003 5.91 2001

199

SANTEE RIVER BASIN 02160381 DURBIN CREEK ABOVE FOUNTAIN INN, SC--Continued SUMMARY STATISTICS

FOR 2004 CALENDAR YEAR

ANNUAL TOTAL ANNUAL MEAN HIGHEST ANNUAL MEAN LOWEST ANNUAL MEAN HIGHEST DAILY MEAN LOWEST DAILY MEAN ANNUAL SEVEN-DAY MINIMUM MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE ANNUAL RUNOFF (CFSM) ANNUAL RUNOFF (INCHES) 10 PERCENT EXCEEDS 50 PERCENT EXCEEDS 90 PERCENT EXCEEDS a

From floodmarks.

e

Estimated

FOR 2005 WATER YEAR

5939.4 16.2 e 785 2.5 3.2

WATER YEARS 1994 - 2005

6687.8 18.3 Sep 28 Aug 10 Aug 5

e 485 4.3 4.9 Unknown 7.38 1.31 17.77 29 12 7.7

1.16 15.78 18 9.1 4.6

Mar Sep Sep Mar Mar

16.4 26.2 8.90 e 800 0.15 0.27 Unknown a 14.58 1.17 15.90 26 10 4.5

28 30 24 28 28

Aug Aug Aug Aug Aug

27 13 9 27 27

1998 2002 1995 2002 2002 1995 1995

1000

500

DISCHARGE, IN CUBIC FEET PER SECOND

200

100

50

20

10

5

2

1

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

200

SANTEE RIVER BASIN 02160381 DURBIN CREEK ABOVE FOUNTAIN INN, SC--Continued PRECIPITATION RECORDS

PERIOD OF RECORD.--May 2001 to current year. INSTRUMENTATION.--Tipping bucket raingage and data collection platform. REMARKS.--Precipitation data collected during freezing periods may not be accurately reflected in daily record; consequently, winter record is poor. Precipitation, total, inches WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY SUM VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

0.00 0.00 0.13 0.00 0.00

0.01 0.08 0.33 0.99 0.00

0.24 0.00 0.00 0.00 0.01

0.00 0.00 0.00 0.00 0.00

0.00 0.02 0.85 0.00 0.00

0.00 0.00 0.00 0.00 0.00

0.20 0.01 0.00 0.00 0.00

0.07 0.00 0.00 0.00 0.08

2.28 0.54 0.02 0.01 0.00

0.00 0.00 0.06 0.00 0.00

0.01 0.00 0.00 0.00 0.00

0.00 0.00 0.00 0.00 0.00

6 7 8 9 10

0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00 0.00 0.00

0.52 0.04 0.00 1.03 0.44

0.08 0.00 0.03 0.00 0.00

0.00 0.00 0.00 0.07 0.00

0.00 0.42 0.15 0.00 0.00

0.00 1.39 0.95 0.00 0.00

0.00 0.00 0.00 0.00 0.09

0.00 0.00 0.07 0.00 0.18

0.00 0.32 0.00 0.00 0.00

0.03 0.04 0.04 0.00 2.70

0.00 0.00 0.00 0.00 0.00

11 12 13 14 15

0.00 0.07 0.02 0.00 0.03

0.12 0.44 0.00 0.00 0.00

0.00 0.00 0.00 0.00 0.00

0.00 0.00 1.02 0.16 0.00

0.00 0.00 0.00 0.24 0.00

0.00 0.00 0.00 0.32 0.01

0.00 0.32 0.09 0.07 0.00

0.01 0.00 0.00 0.00 0.47

0.01 0.18 0.02 0.00 0.00

0.10 0.88 0.71 0.02 0.73

0.01 0.00 0.47 0.00 0.02

0.00 0.00 0.00 0.00 0.00

16 17 18 19 20

0.00 0.00 0.00 0.11 0.00

0.00 0.00 0.00 0.00 0.05

0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00 0.00 0.00

0.01 0.00 0.00 0.00 0.22

0.91 0.04 0.00 0.00 0.00

0.00 0.00 0.00 0.00 0.00

0.00 0.08 0.00 0.00 2.24

0.00 0.00 0.29 0.20 0.00

0.01 0.00 0.00 0.00 0.01

0.00 0.02 0.22 0.01 0.20

0.00 0.00 0.00 0.00 0.00

21 22 23 24 25

0.01 0.00 0.00 -----

0.20 0.22 0.19 0.46 0.12

0.00 0.00 1.25 0.00 0.00

0.00 0.02 0.01 0.00 0.00

1.40 0.00 0.00 0.57 0.00

0.00 0.40 0.25 0.00 0.00

0.00 0.51 0.02 0.00 0.00

0.00 0.00 0.00 0.00 0.00

0.40 0.01 0.00 0.00 0.02

0.00 0.01 0.00 0.00 0.00

0.00 0.92 0.02 0.01 0.00

0.00 0.00 0.00 0.00 0.00

26 27 28 29 30 31

0.00 ----0.04 0.00 0.03

0.00 0.13 0.00 0.00 0.00 ---

0.00 0.00 0.00 0.00 0.00 0.00

0.00 0.00 0.00 0.00 0.33 0.00

0.00 0.42 0.33 -------

0.00 1.80 0.84 0.00 0.00 0.78

0.14 0.12 0.00 0.00 0.16 ---

0.00 0.00 0.00 0.08 0.33 0.00

0.92 2.57 0.95 0.00 0.00 ---

0.00 0.00 0.18 0.38 0.09 0.09

0.00 0.00 0.00 0.00 0.17 0.00

0.01 0.00 0.00 0.01 0.00 ---

TOTAL

---

3.34

3.53

1.65

4.13

5.92

3.98

3.45

8.67

3.59

4.89

0.02

201

SANTEE RIVER BASIN 02160390 ENOREE RIVER NEAR WOODRUFF, SC

LOCATION.--Lat 34°41'00'', long 82°02'24'', Spartanburg County-Laurens County Line, Hydrologic Unit 03050108, on downstream side of bridge on S.C. Highway 202, 0.7 mi downstream from Durbin Creek, and 4.0 mi south of Woodruff, and at mi 58.7. DRAINAGE AREA.--249 mi2. PERIOD OF RECORD.--March 1993 to current year. GAGE.--Data collection platform. Elevation of gage is 542 ft above NGVD of 1929 (from topographic map). REMARKS.--No estimated daily discharges. Records good. Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

580 478 424 428 359

221 218 270 445 943

250 291 246 222 214

297 287 280 281 273

306 276 513 551 372

669 460 402 369 350

1120 742 589 519 478

443 340 303 286 278

406 1590 723 481 391

1110 760 517 478 457

500 340 305 286 272

188 176 168 166 162

6 7 8 9 10

331 317 303 290 283

407 306 272 252 238

239 535 346 349 3890

272 279 268 274 255

326 303 293 291 285

332 320 483 451 356

448 446 990 1130 648

293 273 261 255 256

338 488 366 593 544

411 1170 6100 1840 732

271 287 388 334 805

156 154 152 150 146

11 12 13 14 15

275 268 271 276 257

229 266 439 279 243

3600 873 597 490 429

253 248 255 733 502

272 262 258 262 299

332 318 310 326 326

521 475 692 794 515

315 269 244 355 403

573 417 399 366 311

609 579 653 647 566

388 306 283 312 287

142 138 138 134 131

16 17 18 19 20

248 240 236 240 274

232 228 222 219 216

396 371 357 339 320

360 325 296 283 278

272 264 252 245 248

423 593 437 378 355

443 409 392 375 357

405 301 259 241 1100

281 261 247 293 324

484 434 401 379 365

257 289 309 292 276

137 130 123 118 121

21 22 23 24 25

252 244 238 247 277

223 221 236 255 472

306 300 866 958 524

276 270 264 252 252

413 711 410 510 490

337 332 770 601 436

344 340 490 385 336

873 443 359 315 282

305 391 280 245 231

488 381 344 326 315

252 242 258 244 236

121 121 119 118 116

26 27 28 29 30 31

239 232 229 228 229 223

316 258 258 245 228 ---

420 375 344 330 314 304

254 250 241 242 321 411

386 357 797 -------

392 467 4450 3000 917 888

327 384 335 312 313 ---

264 253 242 238 254 266

264 1410 2580 1970 1460 ---

303 290 281 505 596 395

218 209 204 200 202 214

114 121 120 119 146 ---

TOTAL MEAN MAX MIN CFSM IN.

9016 291 580 223 1.17 1.35

8857 295 943 216 1.19 1.32

19395 626 3890 214 2.51 2.90

9332 301 733 241 1.21 1.39

10224 365 797 245 1.47 1.53

20580 664 4450 310 2.67 3.07

15649 522 1130 312 2.09 2.34

10669 344 1100 238 1.38 1.59

18528 618 2580 231 2.48 2.77

22916 739 6100 281 2.97 3.42

9266 299 805 200 1.20 1.38

4145 138 188 114 0.55 0.62

304 618 2005 104 2002

287 739 2005 119 2002

314 1161 1995 81.8 1999

291 982 2004 98.2 1999

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1993 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

265 494 1996 78.9 2001

297 728 1996 153 2002

394 675 2003 181 2002

441 862 1998 236 2001

510 1041 1998 210 2001

630 1228 1993 265 2004

473 1040 1998 219 2002

362 971 2003 151 2001

202

SANTEE RIVER BASIN 02160390 ENOREE RIVER NEAR WOODRUFF, SC--Continued SUMMARY STATISTICS

FOR 2004 CALENDAR YEAR

ANNUAL TOTAL ANNUAL MEAN HIGHEST ANNUAL MEAN LOWEST ANNUAL MEAN HIGHEST DAILY MEAN LOWEST DAILY MEAN ANNUAL SEVEN-DAY MINIMUM MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE ANNUAL RUNOFF (CFSM) ANNUAL RUNOFF (INCHES) 10 PERCENT EXCEEDS 50 PERCENT EXCEEDS 90 PERCENT EXCEEDS a b

FOR 2005 WATER YEAR

134476 367

WATER YEARS 1993 - 2005

158577 434

6420 123 138

Sep 28 Sep 1 Aug 26

6100 114 118 7510 16.16 1.74 23.69 659 306 215

1.48 20.09 521 249 164

377 603 213 20000 34 36 a 52200 b 29.90 1.52 20.59 614 264 121

Jul 8 Sep 26 Sep 23 Jul 8 Jul 8

Aug Aug Aug Aug Aug

27 13 9 27 27

2003 2002 1995 2002 2002 1995 1995

From rating curve extended above 5,690 ft3/s and on basis of contracted-opening of peak flow. From floodmarks. 10,000

DISCHARGE, IN CUBIC FEET PER SECOND

5000

2000

1000

500

200

100

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

203

SANTEE RIVER BASIN 02160700 ENOREE RIVER AT WHITMIRE, SC LOCATION.--Lat 34°30'33'', long 81°35'54'', Union County-Newberry County Line, Hydrologic Unit 03050108, on left bank, at upstream side of bridge on U.S. Highway 176, 0.4 mi downstream from Seaboard Coast Line Railroad, 0.5 mi northeast of Whitmire, and at mile 19.2. DRAINAGE AREA.--444 mi2. WATER-DISCHARGE RECORDS PERIOD OF RECORD.--October 1973 to current year. GAGE.--Data collection platform. Datum of gage is 300.00 ft above NGVD of 1929. REMARKS.--No estimated daily discharges. Records good. Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

1310 919 714 630 584

303 301 300 354 663

342 356 393 354 328

402 393 385 378 377

496 408 425 799 654

1400 858 650 570 525

1700 1530 1040 850 756

471 542 459 423 406

418 1430 1920 848 620

1680 1150 793 605 577

493 504 389 350 328

236 218 205 198 193

6 7 8 9 10

508 464 440 422 405

825 485 400 364 339

316 360 592 442 747

369 365 373 362 362

508 454 428 416 412

494 469 588 739 606

694 669 859 1790 1390

401 410 392 378 370

519 459 579 497 728

544 506 1430 3860 2900

310 314 327 436 524

189 183 180 177 174

11 12 13 14 15

393 384 456 414 389

325 325 370 493 373

2720 3970 1020 701 584

345 342 339 575 976

398 383 371 372 394

518 483 459 475 527

886 755 902 1060 975

377 418 383 357 449

672 654 516 497 458

783 664 644 700 639

765 456 370 363 387

171 166 161 158 155

16 17 18 19 20

360 345 330 325 329

336 323 319 311 309

523 488 464 449 428

611 491 443 409 393

415 389 372 357 351

651 1350 980 707 599

709 634 593 567 543

519 495 410 372 378

404 373 348 346 390

600 516 468 434 413

343 313 336 359 337

151 154 151 144 137

21 22 23 24 25

357 343 331 329 345

307 315 327 352 404

407 393 404 1100 897

387 378 371 358 347

422 949 854 692 913

546 515 597 1060 733

517 499 521 623 520

1320 825 533 455 406

409 389 453 361 323

396 493 405 369 349

320 293 275 293 277

136 137 137 137 136

26 27 28 29 30 31

364 327 318 315 312 310

558 428 394 379 358 ---

598 514 470 442 429 414

348 348 338 331 352 438

682 566 953 -------

601 597 2010 4140 4210 1400

475 472 514 468 447 ---

375 356 342 330 352 364

323 440 1730 3020 2540 ---

336 323 309 317 666 615

270 253 245 237 234 230

136 134 137 138 139 ---

13772 444 1310 310 1.00 1.15

11640 388 825 300 0.87 0.98

21645 698 3970 316 1.57 1.81

12686 409 976 331 0.92 1.06

14833 530 953 351 1.19 1.24

30057 970 4210 459 2.18 2.52

23958 799 1790 447 1.80 2.01

14068 454 1320 330 1.02 1.18

22664 755 3020 323 1.70 1.90

24484 790 3860 309 1.78 2.05

10931 353 765 230 0.79 0.92

4868 162 236 134 0.37 0.41

391 769 2003 108 2002

342 858 1997 104 1986

358 1660 1995 76.1 1988

301 1115 2004 118 1999

TOTAL MEAN MAX MIN CFSM IN.

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1974 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

423 1654 1977 116 2001

440 1236 1993 152 1982

558 1537 1984 209 2002

777 1680 1993 282 2001

825 1554 1990 256 2001

989 2076 1993 359 1988

725 1705 1998 289 1986

537 1407 1984 190 2001

204

SANTEE RIVER BASIN 02160700 ENOREE RIVER AT WHITMIRE, SC--Continued SUMMARY STATISTICS

FOR 2004 CALENDAR YEAR

ANNUAL TOTAL ANNUAL MEAN HIGHEST ANNUAL MEAN LOWEST ANNUAL MEAN HIGHEST DAILY MEAN LOWEST DAILY MEAN ANNUAL SEVEN-DAY MINIMUM MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE INSTANTANEOUS LOW FLOW ANNUAL RUNOFF (CFSM) ANNUAL RUNOFF (INCHES) 10 PERCENT EXCEEDS 50 PERCENT EXCEEDS 90 PERCENT EXCEEDS a b c

FOR 2005 WATER YEAR

168001 459

WATER YEARS 1974 - 2005

205606 563

4860 155 180

a Sep 29 Aug 11 May 26

4210 134 136 5160 25.57 133 b 1.27 17.23 906 413 273

1.03 14.08 656 336 211

Mar Sep Sep Jul Jul Sep

554 859 267 22700 30 c 32 31200 37.32 26 1.25 16.96 981 380 166

30 27 21 9 9 27

Aug Aug Aug Aug Aug Aug

29 14 10 28 28 15

1984 1988 1995 2002 2002 1995 1995 2002

Also occurred Sep. 30. Also occurred Sep. 28. Also occurred Aug. 15, 2002. 10,000

DISCHARGE, IN CUBIC FEET PER SECOND

5000

2000

1000

500

200

100

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

205

SANTEE RIVER BASIN 02160700 ENOREE RIVER AT WHITMIRE, SC--Continued WATER-QUALITY RECORDS PERIOD OF RECORD.--Water years 1974 to current year. PERIOD OF DAILY RECORD.-SPECIFIC CONDUCTANCE: October 1973 to current year. pH: October 1973 to current year. WATER TEMPERATURE: October 1973 to current year. DISSOLVED OXYGEN: October 1973 to current year. INSTRUMENTATION.--Water-quality multiprobe and data collection platform.

REMARKS.--Specific conductance records rated excellent except for Oct. 1 to Nov. 5, Aug. 23-31, which are good. pH records rated excellent except for Oct. 2 to Nov. 5, which are good and Oct. 1, which are poor. Temperature records rated excellent except for Nov. 1-5, which are good. Dissolved oxygen records rated excellent except for Feb. 18-23, which are good, and Oct. 7-10, 27-30, which are fair. EXTREMES FOR PERIOD OF DAILY RECORD.-SPECIFIC CONDUCTANCE: Maximum, 216 microsiemens Aug. 17, 2002; minimum, 21 microsiemens, Feb. 28, 1984. pH: Maximum, 8.7 units Aug. 11, 2002; minimum, 5.0 units Jul. 4, 1987. WATER TEMPERATURE: Maximum, 32.5°C Jul. 19-21, 1986; minimum, <0.5°C many days, many years. DISSOLVED OXYGEN: Maximum, 14.4 mg/L Jan. 20, 1976; minimum, 2.0 mg/L Sep. 6, 1981. EXTREMES FOR CURRENT YEAR.-SPECIFIC CONDUCTANCE: Maximum, 126 microsiemens, Sep. 28, 29; minimum, 35 microsiemens, July 9. pH: Maximum, 7.7 units, Sep. 22-24, 29, 30; minimum, 6.3 units, Oct. 17. WATER TEMPERATURE: Maximum, 30.0°C, July 27; minimum, 2.2°C, Jan. 24. DISSOLVED OXYGEN: Maximum, 13.5 mg/L, Jan. 24; minimum, 5.8 mg/L, July 10. Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

MEAN

MAX

OCTOBER

MIN

MEAN

MAX

NOVEMBER

MIN

MEAN

MAX

DECEMBER

MIN

MEAN

JANUARY

1 2 3 4 5

59 69 75 81 85

50 58 63 69 74

56 62 69 75 80

109 105 105 104 100

100 99 101 95 89

104 102 103 100 97

88 91 93 91 90

86 87 90 88 88

88 90 92 89 89

86 85 86 85 86

81 82 84 83 83

83 84 85 84 85

6 7 8 9 10

83 90 93 98 105

78 81 85 85 91

81 85 88 92 96

89 69 79 87 90

62 64 69 79 87

68 66 75 83 89

92 94 95 77 81

90 90 76 72 65

91 92 87 73 77

86 88 90 91 89

84 85 88 88 88

85 86 88 90 89

11 12 13 14 15

103 100 102 95 101

89 89 84 83 91

95 94 94 89 95

90 91 94 95 83

89 90 91 83 80

90 91 93 92 81

65 51 61 67 72

39 40 51 61 67

45 44 56 64 69

92 92 91 87 83

89 89 86 83 66

91 90 90 85 73

16 17 18 19 20

105 107 108 105 106

93 97 100 99 99

99 101 102 102 102

85 91 92 94 98

80 85 90 92 94

82 89 91 93 96

76 81 84 86 89

72 76 81 84 86

74 79 83 85 87

69 76 82 82 85

64 69 76 81 82

66 72 79 82 84

21 22 23 24 25

103 106 105 104 110

98 98 99 99 100

101 102 102 102 104

100 99 100 99 96

98 98 97 96 92

99 99 98 98 95

90 92 90 88 60

88 88 88 60 57

89 90 89 78 59

87 89 89 93 93

85 87 87 88 91

86 88 88 90 92

26 27 28 29 30 31

106 108 107 106 109 112

100 101 102 102 104 104

104 105 105 104 106 107

92 83 82 85 86 ---

83 77 79 82 84 ---

90 78 81 84 86 ---

68 73 76 80 81 84

60 68 72 75 79 81

63 71 74 76 80 82

93 92 91 93 92 93

90 89 88 89 90 88

92 91 90 91 91 91

MONTH

112

50

94

109

62

90

95

39

78

93

64

86

206

SANTEE RIVER BASIN 02160700 ENOREE RIVER AT WHITMIRE, SC--Continued Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

98 107 103 93 83

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

88 98 93 83 78

91 104 99 87 79

67 65 72 76 80

60 59 65 72 76

65 62 68 74 77

58 59 65 67 74

55 54 59 65 67

56 56 62 67 70

87 87 81 84 86

85 81 77 81 84

86 86 78 82 85

81 83 85 86 85

78 81 82 83 83

79 82 83 84 84

82 83 82 79 76

79 81 78 75 72

80 82 80 76 74

77 80 81 70 60

74 77 70 59 58

76 78 79 63 59

90 90 91 91 92

86 86 87 88 89

87 88 89 89 91

11 12 13 14 15

88 89 91 93 92

85 87 89 90 88

86 88 90 91 90

79 84 85 86 84

73 79 82 82 80

76 80 83 84 82

69 73 73 75 66

59 69 67 65 60

64 72 70 70 63

91 91 88 93 91

88 86 86 86 88

89 89 87 90 90

16 17 18 19 20

92 91 90 92 93

89 85 87 89 90

90 88 88 90 92

83 69 67 72 77

69 62 66 67 72

78 63 67 70 74

71 75 81 84 83

60 71 75 78 80

65 73 78 81 81

91 80 81 83 86

79 77 77 80 83

84 79 78 82 84

21 22 23 24 25

93 82 72 70 71

78 70 68 68 68

88 78 70 69 70

81 81 82 80 69

76 79 79 64 64

78 80 80 73 66

83 84 88 87 80

80 82 84 80 76

81 83 86 85 78

87 61 70 79 83

55 56 61 70 79

71 58 65 75 81

26 27 28 29 30 31

73 75 75 -------

71 72 65 -------

72 74 69 -------

75 77 76 49 50 55

69 75 49 39 39 50

73 76 59 43 43 54

83 86 87 88 86 ---

80 83 85 83 84 ---

81 84 86 84 85 ---

87 92 95 94 91 96

83 87 89 90 89 91

85 90 92 93 90 93

MONTH

107

65

84

86

39

72

88

54

74

96

55

84

Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN

MEAN

FEBRUARY

DAY

MIN MARCH

JUNE

MIN APRIL

JULY

MIN

MEAN

MAY

AUGUST

SEPTEMBER

1 2 3 4 5

95 74 65 68 75

74 64 55 59 68

91 68 57 62 71

51 54 62 69 71

43 46 54 62 69

48 49 59 65 70

77 80 79 85 89

70 73 73 79 85

73 77 75 83 87

106 105 105 109 110

104 103 104 105 108

104 104 105 107 109

6 7 8 9 10

79 84 84 82 78

74 78 81 71 68

77 81 82 74 75

74 75 75 37 53

71 73 37 35 36

73 73 62 36 45

92 98 95 93 92

87 92 88 90 75

91 95 92 92 85

110 111 113 113 113

109 107 109 109 111

110 109 111 111 112

11 12 13 14 15

70 76 72 79 80

66 69 68 72 79

68 71 69 76 79

62 69 71 76 73

53 62 69 71 69

58 66 70 73 71

75 74 82 86 85

55 67 74 82 82

62 71 77 84 83

114 113 114 117 120

112 109 111 113 116

113 110 113 116 118

16 17 18 19 20

81 87 90 92 93

78 81 87 89 90

79 84 89 91 91

75 75 81 84 87

70 73 75 81 84

72 74 78 82 85

88 90 91 91 90

84 79 81 87 86

87 87 87 89 88

117 119 118 118 116

116 116 117 115 114

116 117 118 117 115

21 22 23 24 25

94 88 88 84 92

88 85 84 81 83

90 86 86 82 88

87 88 87 86 89

85 85 77 80 86

86 87 82 83 88

93 93 96 103 100

88 90 90 96 97

92 91 93 100 98

118 117 120 124 124

115 111 110 120 122

116 114 115 122 123

26 27 28 29 30 31

95 90 88 45 45 ---

89 85 44 42 42 ---

93 88 63 44 44 ---

93 95 95 96 94 77

89 92 93 78 77 70

91 93 94 91 88 73

100 100 102 103 105 106

97 97 97 98 99 103

99 98 99 101 102 105

123 125 126 126 120 ---

122 123 124 120 119 ---

122 124 125 123 119 ---

96

35

73

106

55

88

126

103

115

MONTH

95

42

77

YEAR

126

35

84

207

SANTEE RIVER BASIN 02160700 ENOREE RIVER AT WHITMIRE, SC--Continued pH, water, unfiltered, field, standard units WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

1 2 3 4 5

6.8 6.9 7.1 7.1 7.1

6.5 6.6 6.8 6.9 6.7

7.0 7.0 7.2 7.2 7.2

6.7 6.7 6.8 7.0 7.0

7.3 7.3 7.3 7.3 7.3

7.3 7.3 7.3 7.3 7.3

7.2 7.2 7.2 7.3 7.3

7.2 7.2 7.2 7.2 7.2

7.3 7.2 7.2 7.3 7.2

7.2 7.2 7.2 7.2 7.2

7.1 7.1 7.2 7.2 7.2

7.1 7.1 7.1 7.2 7.2

6 7 8 9 10

7.0 7.1 6.9 6.9 7.0

6.7 6.7 6.8 6.7 6.8

7.1 7.1 7.2 7.2 7.3

7.0 7.0 7.1 7.2 7.2

7.3 7.3 7.3 7.2 7.2

7.3 7.3 7.2 7.2 7.0

7.3 7.3 7.3 7.3 7.3

7.2 7.2 7.2 7.3 7.3

7.2 7.2 7.3 7.2 7.3

7.2 7.2 7.2 7.2 7.2

7.2 7.3 7.2 7.3 7.2

7.2 7.2 7.2 7.2 7.2

11 12 13 14 15

7.0 7.2 7.2 7.0 7.0

6.8 6.8 6.9 6.8 6.5

7.3 7.3 7.3 7.3 7.2

7.3 7.3 7.3 7.2 7.2

7.0 6.6 6.8 7.0 7.0

6.6 6.6 6.6 6.8 7.0

7.3 7.3 7.3 7.3 7.2

7.3 7.3 7.3 7.2 7.1

7.3 7.4 7.3 7.3 7.3

7.3 7.3 7.3 7.3 7.3

7.3 7.3 7.3 7.3 7.3

7.2 7.2 7.3 7.2 7.2

16 17 18 19 20

6.8 7.0 6.8 6.8 6.9

6.4 6.3 6.4 6.6 6.7

7.3 7.3 7.3 7.3 7.3

7.2 7.3 7.3 7.3 7.2

7.1 7.1 7.1 7.2 7.2

7.0 7.1 7.1 7.1 7.2

7.2 7.2 7.3 7.3 7.3

7.1 7.2 7.2 7.2 7.2

7.3 7.4 7.4 7.4 7.4

7.3 7.3 7.3 7.3 7.3

7.3 7.2 7.2 7.2 7.2

7.2 7.1 7.1 7.2 7.2

21 22 23 24 25

7.0 7.1 7.1 7.1 7.2

6.8 6.8 6.8 6.8 6.8

7.3 7.3 7.3 7.3 7.3

7.2 7.2 7.2 7.2 7.3

7.2 7.2 7.2 7.2 7.0

7.2 7.2 7.2 7.0 7.0

7.3 7.3 7.3 7.3 7.3

7.2 7.3 7.3 7.3 7.3

7.3 7.2 7.2 7.1 7.2

7.2 7.2 7.1 7.1 7.1

7.3 7.3 7.3 7.3 7.2

7.2 7.2 7.2 7.1 7.1

26 27 28 29 30 31

7.3 7.3 7.2 7.2 7.3 7.1

6.8 7.0 7.0 7.1 7.0 6.8

7.3 7.3 7.3 7.3 7.3 ---

7.3 7.2 7.3 7.3 7.3 ---

7.1 7.2 7.2 7.2 7.2 7.2

7.0 7.1 7.2 7.1 7.2 7.2

7.3 7.3 7.3 7.3 7.3 7.3

7.2 7.3 7.3 7.3 7.3 7.3

7.2 7.2 7.2 -------

7.2 7.2 7.1 -------

7.2 7.2 7.2 6.8 6.7 6.9

7.2 7.2 6.8 6.6 6.6 6.7

MONTH

7.3

6.3

7.3

6.7

7.3

6.6

7.3

7.1

7.4

7.1

7.3

6.6

DAY

MAX

MIN

MAX

MAX

MIN

MAX

MIN

OCTOBER

MAX

MIN

NOVEMBER

APRIL

MAX

MIN

DECEMBER

MAX

MIN

JANUARY

pH, water, unfiltered, field, standard units MIN MAX MIN MAX MIN MAY

JUNE

JULY

MAX

MIN

FEBRUARY

AUGUST

MAX

MIN

MARCH

SEPTEMBER

1 2 3 4 5

6.9 7.0 7.0 7.0 7.1

6.9 6.9 6.9 7.0 7.0

7.3 7.3 7.3 7.3 7.3

7.3 7.3 7.2 7.2 7.3

7.4 7.2 7.1 7.1 7.2

7.2 7.1 7.0 7.0 7.1

6.9 7.0 7.0 7.1 7.2

6.8 6.8 7.0 7.0 7.1

7.3 7.3 7.3 7.4 7.4

7.2 7.2 7.2 7.2 7.3

7.6 7.6 7.6 7.6 7.6

7.4 7.4 7.4 7.4 7.5

6 7 8 9 10

7.1 7.1 7.2 7.1 7.0

7.1 7.1 7.1 7.0 7.0

7.3 7.3 7.3 7.3 7.3

7.3 7.3 7.3 7.3 7.3

7.2 7.2 7.3 7.2 7.2

7.1 7.2 7.2 7.2 7.2

7.2 7.2 7.2 6.7 6.7

7.2 7.2 6.7 6.4 6.4

7.4 7.4 7.4 7.4 7.4

7.3 7.3 7.3 7.3 7.2

7.6 7.6 7.6 7.6 7.6

7.5 7.5 7.5 7.5 7.5

11 12 13 14 15

7.1 7.1 7.1 7.2 7.2

7.0 7.1 7.1 7.1 7.1

7.3 7.3 7.3 7.4 7.3

7.3 7.3 7.3 7.3 7.3

7.2 7.2 7.2 7.2 7.3

7.1 7.2 7.1 7.2 7.2

6.9 7.0 7.1 7.1 7.1

6.7 6.9 7.0 7.0 7.0

7.2 7.2 7.3 7.3 7.3

7.0 7.1 7.2 7.3 7.3

7.6 7.6 7.6 7.6 7.6

7.5 7.5 7.5 7.5 7.5

16 17 18 19 20

7.2 7.2 7.2 7.2 7.2

7.1 7.1 7.2 7.2 7.2

7.3 7.3 7.3 7.3 7.3

7.3 7.2 7.2 7.3 7.3

7.3 7.3 7.4 7.4 7.4

7.2 7.2 7.3 7.3 7.3

7.1 7.2 7.2 7.2 7.3

7.1 7.1 7.1 7.2 7.2

7.3 7.4 7.4 7.4 7.4

7.3 7.3 7.3 7.3 7.3

7.6 7.6 7.6 7.6 7.6

7.5 7.5 7.4 7.4 7.4

21 22 23 24 25

7.2 7.3 7.3 7.3 7.3

7.2 7.2 7.2 7.2 7.2

7.3 7.1 7.2 7.3 7.3

7.0 7.0 7.1 7.2 7.3

7.4 7.4 7.3 7.3 7.4

7.3 7.3 7.3 7.3 7.3

7.3 7.3 7.3 7.3 7.4

7.2 7.2 7.2 7.3 7.3

7.4 7.4 7.4 7.5 7.5

7.3 7.3 7.3 7.4 7.4

7.6 7.7 7.7 7.7 7.6

7.4 7.4 7.5 7.5 7.5

26 27 28 29 30 31

7.3 7.3 7.3 7.3 7.3 ---

7.2 7.3 7.3 7.3 7.3 ---

7.4 7.4 7.4 7.4 7.4 7.4

7.3 7.3 7.3 7.3 7.3 7.4

7.4 7.3 7.3 6.8 6.8 ---

7.3 7.3 6.8 6.7 6.8 ---

7.4 7.4 7.4 7.4 7.3 7.2

7.3 7.3 7.3 7.1 7.2 7.2

7.5 7.5 7.5 7.5 7.5 7.6

7.4 7.4 7.4 7.4 7.4 7.4

7.6 7.6 7.6 7.7 7.7 ---

7.5 7.5 7.5 7.5 7.5 ---

7.4

7.0

7.4

6.7

7.4

6.4

7.6

7.0

7.7

7.4

MONTH

7.3

6.9

YEAR

7.7

6.3

208

SANTEE RIVER BASIN 02160700 ENOREE RIVER AT WHITMIRE, SC--Continued Temperature, water, degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

21.2 21.5 21.7 21.9 21.1

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

20.7 20.7 20.9 20.7 19.9

20.9 21.1 21.2 21.2 20.5

20.9 20.5 20.8 20.6 19.3

19.0 19.1 19.7 19.3 17.2

19.8 19.7 20.3 20.2 18.1

11.5 10.4 9.1 8.5 7.9

9.9 8.9 8.1 7.4 6.7

10.7 9.5 8.6 7.9 7.4

8.4 9.2 10.2 11.3 12.1

6.7 8.0 8.9 9.7 10.7

7.5 8.6 9.5 10.5 11.3

20.1 20.1 19.2 19.4 19.6

19.2 19.0 18.0 18.1 18.2

19.6 19.4 18.6 18.7 18.9

17.2 14.6 14.3 13.5 12.0

14.6 13.7 12.9 12.0 10.7

15.8 14.1 13.6 12.8 11.4

9.0 11.0 11.9 11.5 12.4

7.8 9.0 10.9 11.2 11.3

8.4 9.9 11.4 11.3 11.8

12.8 12.8 13.7 13.2 11.7

11.3 12.0 12.6 11.6 10.4

12.1 12.5 13.1 12.5 11.1

11 12 13 14 15

20.2 20.0 20.6 19.5 18.8

18.6 18.8 19.5 18.6 17.0

19.3 19.5 19.9 19.1 18.1

11.6 12.2 13.5 12.6 10.5

11.2 11.5 12.2 10.5 9.2

11.4 11.8 12.8 11.7 9.8

11.8 11.0 10.3 9.6 7.7

11.0 10.2 9.6 7.7 5.9

11.3 10.4 10.0 8.7 6.8

11.5 12.3 14.7 14.7 13.3

10.4 10.8 12.3 13.3 11.0

11.0 11.6 13.4 14.3 12.0

16 17 18 19 20

17.1 16.4 17.0 17.6 18.4

15.7 14.8 15.7 16.5 17.3

16.3 15.6 16.3 17.1 17.8

9.5 9.7 10.7 12.6 14.2

8.4 8.1 8.9 10.7 12.5

9.0 8.9 9.9 11.7 13.4

5.9 5.4 5.7 6.0 5.5

5.0 4.4 4.7 5.0 3.8

5.4 4.9 5.2 5.5 4.5

11.0 9.0 6.4 4.3 4.0

9.0 6.4 4.3 3.0 2.5

10.0 7.8 5.3 3.5 3.2

21 22 23 24 25

17.9 18.5 18.0 17.1 18.4

17.6 17.4 17.1 16.6 16.8

17.7 17.8 17.6 16.9 17.4

14.8 15.4 15.7 16.2 15.9

13.7 14.6 15.3 15.6 14.0

14.3 15.0 15.5 15.9 15.4

4.2 4.9 7.5 8.3 8.2

3.0 3.4 4.9 7.3 6.6

3.6 4.1 6.5 7.8 7.5

5.8 5.7 5.4 3.6 4.3

4.0 5.4 3.6 2.2 2.4

4.9 5.6 4.5 3.0 3.3

26 27 28 29 30 31

17.4 18.0 17.8 17.7 19.6 20.4

17.1 16.9 17.4 17.4 17.6 18.5

17.2 17.3 17.6 17.5 18.6 19.3

14.0 11.4 10.4 10.2 9.9 ---

11.4 9.6 9.4 9.2 8.6 ---

12.7 10.2 9.8 9.7 9.3 ---

6.6 5.4 4.6 4.9 6.2 6.9

5.4 4.4 3.8 3.5 4.6 5.8

6.0 4.9 4.2 4.2 5.4 6.4

6.4 7.5 6.4 5.2 4.5 5.9

3.8 5.8 5.2 3.6 3.5 4.5

5.1 6.5 5.8 4.3 3.9 5.2

MONTH

21.9

14.8

18.5

20.9

8.1

13.5

12.4

3.0

7.4

14.7

2.2

8.2

MAX

MIN

MEAN

Temperature, water, degrees Celsius MAX MIN MEAN MAX MIN

MEAN

MAX

MIN

MEAN

OCTOBER

DAY

MIN NOVEMBER

FEBRUARY

MIN DECEMBER

MARCH

MIN

MEAN

JANUARY

APRIL

MAY

1 2 3 4 5

6.7 6.2 5.9 6.1 6.6

5.6 5.9 5.6 5.1 5.7

6.0 6.1 5.8 5.6 6.2

8.3 7.7 7.7 8.4 10.2

7.7 6.9 6.9 6.6 7.9

8.0 7.4 7.3 7.5 9.0

14.8 15.2 14.7 15.1 16.4

14.2 14.6 13.6 13.8 14.8

14.5 14.9 14.3 14.5 15.5

18.9 18.5 18.1 18.2 17.4

16.7 16.9 16.5 16.0 16.3

17.6 17.7 17.3 17.1 17.0

6 7 8 9 10

7.2 7.8 8.9 10.2 10.5

5.9 6.3 7.2 8.9 9.3

6.5 7.0 8.0 9.7 10.0

10.9 11.6 12.8 11.3 10.6

8.8 9.2 11.3 10.1 9.3

9.8 10.4 11.8 10.5 9.9

17.6 17.5 17.5 17.3 17.5

15.8 17.1 16.8 16.1 16.6

16.6 17.3 17.2 16.7 17.2

17.7 18.5 19.8 21.0 20.6

15.6 15.8 16.8 18.3 19.3

16.6 17.1 18.3 19.6 20.0

11 12 13 14 15

9.3 8.3 7.4 8.1 9.4

7.7 6.6 6.8 7.2 8.1

8.4 7.5 7.2 7.6 8.7

10.5 11.2 13.7 13.6 12.6

9.5 8.8 10.8 12.5 11.4

9.9 10.0 12.2 13.3 12.1

18.3 18.2 17.8 15.3 15.2

17.0 17.8 15.2 14.5 14.1

17.7 18.1 16.6 14.9 14.7

21.0 21.9 21.7 22.6 22.2

18.6 19.5 20.6 20.6 21.4

19.8 20.7 21.1 21.5 21.8

16 17 18 19 20

11.5 12.6 11.0 9.9 9.6

9.4 11.0 9.3 7.9 9.0

10.5 11.7 10.1 9.0 9.3

12.1 9.8 9.2 10.1 11.8

9.8 8.4 7.7 8.8 9.7

11.2 9.0 8.5 9.5 10.8

15.6 15.9 16.8 18.2 19.2

14.3 14.0 14.6 15.8 17.1

14.9 14.9 15.7 17.0 18.0

21.5 21.4 22.0 21.7 21.4

20.1 19.9 19.9 20.5 20.3

20.7 20.5 20.9 21.2 20.9

21 22 23 24 25

9.9 11.5 12.1 12.4 11.3

9.2 9.8 11.2 11.2 10.6

9.5 10.5 11.7 11.9 11.0

12.6 12.2 13.6 13.6 14.9

11.4 11.8 11.5 12.6 13.3

11.9 12.0 12.5 13.3 14.1

19.9 20.6 20.3 18.7 16.7

17.7 18.8 18.7 16.2 14.8

18.7 19.5 19.4 17.4 15.8

20.3 20.3 21.5 21.8 20.5

19.1 19.4 19.9 20.4 19.1

19.7 19.8 20.7 21.0 19.8

26 27 28 29 30 31

10.9 10.1 9.0 -------

10.1 9.0 8.2 -------

10.5 9.6 8.5 -------

15.6 15.8 15.2 14.2 15.2 15.2

14.6 14.9 13.7 12.8 13.3 14.4

15.1 15.3 14.4 13.5 14.1 14.8

15.8 16.4 16.3 17.4 17.3 ---

15.0 14.7 14.5 15.6 16.8 ---

15.4 15.5 15.4 16.5 17.0 ---

21.3 22.1 21.7 21.5 20.6 19.8

18.6 19.3 20.1 20.0 19.1 18.8

19.9 20.6 21.0 20.8 19.6 19.2

MONTH

12.6

5.1

8.7

15.8

6.6

11.3

20.6

13.6

16.4

22.6

15.6

19.7

209

SANTEE RIVER BASIN 02160700 ENOREE RIVER AT WHITMIRE, SC--Continued Temperature, water, degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

MEAN

MAX

1 2 3 4 5

19.6 18.0 17.6 20.0 22.1

18.0 17.5 17.4 17.6 20.0

MEAN

MAX

MEAN

MAX

19.1 17.6 17.5 18.6 21.1

24.7 24.6 24.7 24.9 26.0

24.0 23.8 24.3 24.1 24.3

24.3 24.2 24.5 24.5 25.1

25.1 25.7 26.5 27.6 27.3

24.3 24.0 24.6 25.3 25.9

24.7 24.8 25.5 26.3 26.4

27.4 26.9 26.8 25.9 25.0

25.3 24.2 24.3 23.3 22.7

26.2 25.5 25.4 24.5 23.8

6 7 8 9 10

24.0 24.3 24.6 25.1 24.3

22.0 23.1 23.7 23.4 23.8

22.9 23.7 24.0 24.1 24.0

26.1 26.1 25.3 23.6 23.9

25.3 25.3 23.6 23.2 23.3

25.7 25.6 24.4 23.4 23.6

27.2 26.1 25.5 25.8 26.7

25.4 25.3 24.8 24.6 25.1

26.1 25.7 25.0 25.1 25.7

23.4 23.3 24.6 24.0 23.7

21.9 21.4 21.5 20.9 20.6

22.7 22.3 22.8 22.4 22.2

11 12 13 14 15

23.8 24.0 25.2 26.1 27.1

23.5 23.4 23.7 24.3 25.1

23.7 23.7 24.4 25.2 26.0

24.4 25.6 25.8 25.1 25.5

23.9 24.3 25.1 24.7 24.3

24.2 24.9 25.4 24.9 24.9

25.5 27.0 27.4 28.0 28.0

24.4 25.2 25.8 26.5 26.1

25.0 26.0 26.6 27.2 27.0

24.0 23.5 23.6 24.4 25.7

21.2 20.5 20.9 22.4 22.7

22.4 21.9 22.3 23.3 24.0

16 17 18 19 20

26.5 26.1 25.6 24.9 23.9

24.9 24.6 23.6 23.4 22.3

25.7 25.2 24.6 24.0 23.0

25.9 26.7 27.6 27.8 28.2

25.0 25.1 25.8 26.2 26.7

25.4 25.8 26.7 27.1 27.5

28.6 28.9 27.6 27.9 28.7

26.7 26.8 26.5 26.1 26.6

27.5 27.6 27.0 26.9 27.6

25.9 26.0 26.3 25.7 25.9

23.2 23.3 23.4 22.6 23.2

24.5 24.7 24.7 24.1 24.4

21 22 23 24 25

23.5 24.2 24.8 25.2 24.5

21.8 22.0 23.1 23.0 23.5

22.7 23.1 23.8 24.1 24.0

28.6 28.4 28.3 28.1 28.6

26.9 27.2 26.6 26.6 26.5

27.8 27.7 27.4 27.4 27.6

29.5 28.0 27.4 26.6 26.7

27.1 26.5 25.7 25.7 25.0

28.1 27.3 26.5 26.2 25.8

26.1 26.0 25.7 25.6 25.1

23.3 23.9 22.9 22.9 23.4

24.7 24.8 24.3 24.2 24.3

26 27 28 29 30 31

24.7 25.5 24.8 23.6 24.0 ---

23.4 23.8 23.1 22.8 23.4 ---

24.0 24.4 23.7 23.1 23.7 ---

29.4 30.0 29.6 28.1 25.8 24.7

26.9 27.5 27.8 25.7 24.5 24.4

28.1 28.7 28.5 26.8 25.1 24.5

26.4 26.2 26.8 27.0 27.1 28.2

24.4 23.8 24.5 25.2 25.7 25.8

25.3 25.0 25.6 26.1 26.3 26.8

24.3 24.8 23.5 24.0 23.1 ---

23.2 22.9 21.7 21.6 21.1 ---

23.8 23.7 22.7 22.8 22.1 ---

MONTH

27.1

YEAR

30.0

17.4

23.2

30.0

23.2

25.9

29.5

23.8

26.2

27.4

20.5

23.7

2.2

16.9

JUNE

MIN JULY

MIN AUGUST

MIN

MEAN

SEPTEMBER

210

SANTEE RIVER BASIN 02160700 ENOREE RIVER AT WHITMIRE, SC--Continued

Dissolved oxygen, water, unfiltered, milligrams per liter WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

MEAN

MAX

OCTOBER

MIN

MEAN

MAX

NOVEMBER

MIN

MEAN

MAX

DECEMBER

MIN

MEAN

JANUARY

1 2 3 4 5

-----------

-----------

-----------

-----------

-----------

-----------

10.4 10.6 10.7 10.9 11.2

10.0 10.1 10.5 10.6 10.9

10.2 10.4 10.6 10.8 11.1

11.8 11.3 11.1 10.8 10.6

11.3 11.1 10.8 10.6 10.3

11.6 11.2 11.0 10.7 10.5

6 7 8 9 10

--8.5 8.6 8.6 8.4

--8.2 8.3 8.2 8.0

--8.3 8.4 8.4 8.2

8.8 9.1 9.3 9.8 10.2

8.0 8.8 9.1 9.3 9.8

8.4 9.0 9.2 9.6 10.0

11.1 10.8 10.3 10.1 10.1

10.8 10.3 10.0 10.0 9.8

10.9 10.6 10.1 10.0 9.9

10.3 10.3 10.2 10.4 10.7

10.1 10.1 10.0 10.0 10.4

10.2 10.2 10.1 10.2 10.6

11 12 13 14 15

-----------

-----------

-----------

10.1 10.0 9.8 10.3 10.6

10.0 9.8 9.7 9.7 10.3

10.1 9.9 9.7 10.0 10.5

9.8 9.9 10.5 11.2 11.9

9.7 9.4 9.6 10.5 11.2

9.8 9.8 10.2 10.8 11.6

10.7 10.7 10.3 9.8 10.6

10.5 10.3 9.8 9.5 9.8

10.6 10.6 10.1 9.6 10.2

16 17 18 19 20

-----------

-----------

-----------

10.9 11.0 10.7 10.3 9.8

10.6 10.7 10.3 9.8 9.3

10.8 10.8 10.6 10.1 9.5

12.3 12.4 12.3 12.2 12.6

11.9 12.3 12.2 11.9 12.0

12.2 12.4 12.3 12.1 12.3

11.1 12.0 12.8 13.2 13.3

10.6 11.1 12.0 12.8 13.0

10.8 11.5 12.5 13.1 13.2

21 22 23 24 25

-----------

-----------

-----------

9.4 9.2 9.0 8.8 9.1

9.2 9.0 8.8 8.6 8.6

9.3 9.1 8.9 8.8 8.8

12.9 12.9 12.6 11.6 11.8

12.6 12.6 11.6 11.2 11.3

12.8 12.8 12.1 11.5 11.5

13.0 12.4 12.9 13.5 13.4

12.4 12.2 12.2 12.9 13.0

12.7 12.3 12.6 13.3 13.3

26 27 28 29 30 31

--8.1 7.8 7.8 7.8 ---

--7.8 7.7 7.6 7.2 ---

--8.0 7.8 7.7 7.5 ---

9.8 10.4 10.4 10.5 10.7 ---

9.1 9.8 10.3 10.3 10.4 ---

9.5 10.2 10.4 10.5 10.6 ---

12.3 12.8 13.1 13.1 12.6 12.0

11.8 12.3 12.8 12.6 12.0 11.8

12.1 12.6 13.0 12.9 12.3 11.9

13.0 12.2 12.5 13.0 13.0 12.8

12.1 12.1 12.1 12.5 12.8 12.4

12.7 12.1 12.4 12.8 13.0 12.6

MONTH

---

---

---

---

---

---

13.1

9.4

11.4

13.5

9.5

11.6

DAY

MAX

MIN

MAX

MIN

MEAN

1 2 3 4 5

12.4 12.2 12.3 12.4 12.3

12.2 12.1 12.2 12.2 12.1

12.4 12.2 12.2 12.3 12.2

10.9 11.2 11.4 11.4 11.1

10.6 10.9 11.1 11.1 10.7

10.8 11.0 11.2 11.3 10.9

9.0 8.8 9.2 9.3 9.1

8.8 8.6 8.8 9.1 8.8

8.9 8.7 9.1 9.2 9.0

8.8 8.8 8.7 8.8 8.8

8.6 8.5 8.5 8.6 8.6

8.7 8.6 8.6 8.7 8.7

6 7 8 9 10

12.3 12.2 11.9 11.5 11.2

12.1 11.9 11.5 11.0 10.9

12.2 12.1 11.8 11.2 11.0

10.9 10.7 10.3 10.6 10.9

10.6 10.3 9.9 10.1 10.6

10.7 10.6 10.0 10.4 10.7

8.8 8.6 8.5 8.6 8.5

8.6 8.4 8.4 8.4 8.4

8.8 8.5 8.4 8.5 8.5

9.0 8.8 8.6 8.3 8.2

8.7 8.5 8.3 8.0 8.0

8.9 8.7 8.5 8.2 8.1

11 12 13 14 15

11.8 12.1 11.9 11.9 11.6

11.0 11.6 11.8 11.6 11.2

11.5 11.9 11.9 11.8 11.5

10.8 11.0 10.5 9.9 10.6

10.6 10.5 9.9 9.8 9.9

10.7 10.8 10.3 9.9 10.3

8.5 8.4 8.9 9.3 9.4

8.4 8.3 8.3 8.9 9.2

8.5 8.4 8.5 9.1 9.2

8.3 8.1 8.0 8.0 7.8

8.1 7.9 7.9 7.7 7.7

8.2 8.0 7.9 7.9 7.7

16 17 18 19 20

11.3 10.8 11.3 11.7 11.4

10.6 10.5 10.6 11.2 11.2

11.0 10.6 11.0 11.4 11.3

10.6 11.2 11.4 11.2 10.9

10.2 10.6 11.2 10.9 10.6

10.4 10.9 11.3 11.1 10.8

9.3 9.4 9.2 9.0 8.7

9.2 9.2 9.0 8.7 8.4

9.2 9.3 9.2 8.9 8.6

7.9 8.0 8.0 8.0 7.9

7.7 7.9 7.8 7.8 7.8

7.9 8.0 8.0 7.9 7.8

21 22 23 24 25

11.2 10.8 10.4 9.7 10.1

10.8 10.4 9.7 9.4 9.7

11.0 10.7 10.1 9.6 9.9

10.6 10.4 10.5 10.2 9.9

10.4 10.3 10.0 9.9 9.6

10.5 10.4 10.3 10.1 9.8

8.5 8.3 8.2 8.7 9.1

8.3 8.0 8.0 8.2 8.7

8.4 8.2 8.1 8.5 9.0

8.0 7.8 7.8 7.9 8.2

7.7 7.7 7.7 7.7 7.9

7.9 7.8 7.8 7.8 8.1

26 27 28 29 30 31

10.3 10.5 10.6 -------

10.0 10.3 10.5 -------

10.2 10.4 10.6 -------

9.7 9.6 9.4 9.3 9.3 8.9

9.5 9.3 9.1 9.2 8.3 8.4

9.6 9.4 9.3 9.2 9.0 8.7

9.1 9.2 9.3 9.1 8.8 ---

9.0 9.0 9.0 8.8 8.7 ---

9.1 9.1 9.2 9.0 8.7 ---

8.3 8.2 8.1 8.2 8.3 8.5

8.1 8.0 8.0 8.0 8.1 8.3

8.2 8.1 8.0 8.1 8.2 8.4

MONTH

12.4

9.4

11.3

11.4

8.3

10.3

9.4

8.0

8.8

9.0

7.7

8.2

Dissolved oxygen, water, unfiltered, milligrams per liter MEAN MAX MIN MEAN MAX MIN MEAN

FEBRUARY

MARCH

APRIL

MAY

211

SANTEE RIVER BASIN 02160700 ENOREE RIVER AT WHITMIRE, SC--Continued Dissolved oxygen, water, unfiltered, milligrams per liter WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

8.5 8.6 8.6 8.5 8.1

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

8.3 8.5 8.3 8.1 7.8

8.4 8.5 8.5 8.4 8.0

7.3 7.2 7.2 7.3 7.3

6.8 7.0 7.1 7.1 7.2

7.1 7.1 7.1 7.3 7.3

7.4 7.5 7.4 7.1 7.0

7.3 7.3 7.0 6.9 6.9

7.4 7.4 7.2 7.0 7.0

7.1 7.3 7.4 7.5 7.7

6.8 7.0 7.1 7.2 7.3

7.0 7.2 7.2 7.4 7.6

7.8 7.3 7.2 7.2 7.3

7.3 7.2 7.2 7.1 7.1

7.6 7.2 7.2 7.2 7.2

7.2 7.2 7.3 6.9 6.9

7.1 7.1 6.9 6.5 5.8

7.1 7.2 7.2 6.7 6.4

7.1 7.1 7.2 7.2 7.1

6.9 6.9 7.1 7.1 7.0

7.0 7.0 7.2 7.2 7.1

7.9 8.1 8.0 8.1 8.2

7.6 7.8 7.6 7.7 7.7

7.8 7.9 7.8 7.9 7.9

11 12 13 14 15

7.3 7.3 7.2 7.2 7.0

7.2 7.2 7.1 7.0 6.9

7.2 7.3 7.2 7.1 7.0

7.1 6.8 6.8 7.0 7.0

6.8 6.8 6.8 6.8 6.9

6.9 6.8 6.8 6.9 6.9

7.0 7.0 7.0 7.0 7.0

6.8 6.9 6.8 6.9 6.9

6.9 7.0 7.0 6.9 7.0

8.1 8.2 8.1 7.8 7.9

7.7 7.8 7.6 7.4 7.4

7.9 8.0 7.8 7.6 7.6

16 17 18 19 20

7.1 7.2 7.4 7.5 7.8

6.9 7.0 7.2 7.3 7.5

7.0 7.2 7.3 7.4 7.7

6.9 6.9 6.9 6.8 6.8

6.9 6.8 6.7 6.7 6.7

6.9 6.9 6.8 6.8 6.8

7.0 7.0 7.1 7.1 7.1

6.9 6.8 6.8 6.9 6.9

7.0 7.0 7.0 7.1 7.0

7.8 7.7 7.8 8.0 7.9

7.3 7.2 7.2 7.3 7.3

7.5 7.4 7.4 7.6 7.6

21 22 23 24 25

7.9 7.9 7.7 7.7 7.7

7.8 7.6 7.6 7.5 7.5

7.8 7.8 7.6 7.6 7.6

6.8 6.8 6.9 6.9 7.0

6.7 6.7 6.7 6.7 6.8

6.7 6.7 6.8 6.8 6.9

7.0 7.1 7.3 7.4 7.5

6.8 6.8 7.1 7.2 7.3

6.9 7.0 7.2 7.3 7.4

8.0 8.1 8.2 8.3 8.2

7.2 7.3 7.5 7.6 7.5

7.6 7.6 7.8 7.8 7.8

26 27 28 29 30 31

7.7 7.4 7.4 7.1 7.2 ---

7.4 7.3 7.0 6.9 6.9 ---

7.6 7.4 7.2 7.0 7.1 ---

6.9 6.8 6.8 7.4 7.2 7.3

6.6 6.6 6.6 6.7 7.0 7.2

6.8 6.7 6.7 6.9 7.2 7.3

7.7 7.8 7.6 7.5 7.4 7.4

7.4 7.4 7.3 7.3 7.2 6.8

7.6 7.6 7.5 7.4 7.3 7.1

8.2 8.2 8.5 8.5 8.7 ---

7.5 7.6 7.7 7.7 7.8 ---

7.8 7.8 8.1 8.1 8.2 ---

MONTH

8.6

6.9

7.5

7.4

5.8

6.9

7.8

6.8

7.2

8.7

6.8

7.7

JUNE

MIN JULY

MIN AUGUST

MIN

MEAN

SEPTEMBER

212

SANTEE RIVER BASIN 02160990 PARR SHOALS RESERVOIR AT PARR, SC

LOCATION.--Lat 34°15'40'', long 81°19'55'', Fairfield County, Hydrologic Unit 03050106, at Parr Shoals Dam, on Broad River 100 ft from left edge, 2.5 mi west of Jenkinsville and at mile 201.6. DRAINAGE AREA.--4,750 mi2 (from Federal Power Commission). PERIOD OF RECORD.--October 1984 to current year. GAGE.--Data collection platform. Datum of gage is NGVD of 1929 (South Carolina Electric and Gas reference mark). Prior to May 7, 1968, datum was 47.17 ft higher. REMARKS.--Reservoir is formed by a concrete gravity dam. Project was completed in 1914. Spillway crest elevation: 257.1 ft sea level, 1,850 acres. Maximum power pool is 266 ft sea level, 4,400 acres. Reservoir water is used for cooling of nearby fossil-electric plant. Prior to October 2003, midnight readings and month-end and annual contents were published. EXTREMES FOR PERIOD OF RECORD.--Maximum elevation, 266.98 ft, Jul. 8, 1988; minimum elevation, 254.62 ft, Oct. 5, 1996. EXTREMES FOR CURRENT YEAR.--Maximum elevation, 266.47 ft, Nov. 27; minimum elevation, 256.05 ft, July 23. Elevation above NGVD 1929, feet WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

MEAN

MAX

OCTOBER

MIN

MEAN

MAX

NOVEMBER

MIN

MEAN

MAX

DECEMBER

MIN

MEAN

JANUARY

1 2 3 4 5

265.80 266.01 265.89 265.22 266.12

257.55 260.36 258.77 259.68 259.85

261.74 263.64 262.52 262.16 263.03

265.27 265.56 266.04 265.86 265.46

259.32 261.12 261.85 261.59 261.53

262.73 262.96 264.34 263.93 262.44

264.59 264.25 264.64 264.67 263.66

257.01 260.66 261.80 262.45 261.51

260.11 262.90 263.69 263.52 262.53

265.12 265.00 263.84 264.57 264.20

264.92 263.49 261.83 263.13 261.80

264.98 264.43 262.78 263.52 262.72

6 7 8 9 10

265.30 265.13 263.63 266.09 265.52

261.49 258.68 258.34 258.88 259.05

263.61 261.46 260.48 261.96 262.59

264.28 263.91 263.93 263.68 263.73

260.27 258.28 259.82 257.50 260.39

262.30 260.96 261.56 260.27 261.91

264.35 264.45 265.55 265.00 264.20

257.54 258.50 259.03 260.57 261.29

260.71 261.06 262.16 262.66 262.30

265.25 264.61 264.17 265.54 265.26

261.43 260.02 261.69 261.83 261.14

263.23 262.32 262.59 262.69 263.16

11 12 13 14 15

266.09 265.98 265.72 264.37 264.59

260.29 261.43 262.25 260.15 259.27

263.47 264.49 263.99 262.12 262.19

264.53 264.22 264.49 265.99 265.79

259.11 258.75 258.86 259.20 262.45

262.00 262.10 261.75 262.68 263.95

264.20 263.89 263.31 264.54 264.26

263.55 260.03 258.27 260.11 260.89

263.99 261.50 260.81 262.43 263.05

265.26 264.43 264.66 265.07 265.02

260.56 259.97 260.61 259.68 261.66

263.26 262.02 262.36 262.06 263.49

16 17 18 19 20

264.27 263.70 265.45 264.61 265.16

261.73 260.55 257.45 259.59 257.22

262.94 261.84 261.91 261.20 260.84

265.63 265.33 264.47 263.64 264.09

262.79 260.31 260.06 258.45 261.45

264.40 263.31 262.57 260.60 262.42

265.50 266.00 264.81 263.20 263.54

261.89 263.06 262.71 259.42 261.73

263.89 264.81 263.52 261.85 262.74

264.08 264.61 265.52 265.76 265.35

260.36 261.52 262.20 262.99 261.93

262.07 263.15 263.90 264.66 263.96

21 22 23 24 25

265.09 263.54 264.72 264.79 264.90

256.75 258.12 256.67 259.81 262.69

261.43 261.28 260.80 262.16 263.52

263.54 263.13 264.79 264.59 264.91

256.67 257.86 260.85 260.11 259.78

260.00 260.22 262.63 262.37 261.74

265.50 264.96 264.64 265.79 266.14

262.09 261.65 262.36 260.71 263.93

263.63 263.77 263.57 263.54 264.75

264.05 264.98 264.43 265.33 264.18

258.05 259.70 259.59 262.97 259.16

260.48 262.35 262.66 264.05 262.43

26 27 28 29 30 31

264.75 264.93 264.84 263.84 265.57 265.21

259.95 259.20 260.37 259.92 261.51 261.32

262.00 261.58 262.19 261.40 263.24 263.25

266.30 266.47 265.67 265.49 264.45 ---

262.97 263.93 261.40 261.77 260.82 ---

264.44 265.51 262.98 264.14 262.29 ---

265.62 265.14 266.32 266.32 265.23 265.24

262.35 262.07 263.23 263.07 263.50 264.09

263.75 263.52 264.79 264.93 264.32 264.84

264.68 263.33 265.11 265.03 264.95 264.84

260.87 257.98 260.63 262.28 257.41 260.62

262.96 260.50 263.22 263.45 260.85 263.21

MONTH 266.12

256.67

262.29

266.47

256.67

262.52

266.32

257.01

263.09

265.76

257.41

262.89

213

SANTEE RIVER BASIN 02160990 PARR SHOALS RESERVOIR AT PARR, SC--Continued Elevation above NGVD 1929, feet WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

MEAN

MAX

MIN

MEAN

MAX

MIN

MEAN

MAX

MIN

1 2 3 4 5

264.93 264.87 265.45 265.43 264.47

261.96 262.13 260.78 261.97 262.71

263.65 263.82 263.17 263.86 263.47

263.86 263.98 265.29 264.89 264.55

260.24 260.49 261.54 260.35 262.63

261.93 262.74 263.03 263.27 263.57

264.31 263.90 263.55 264.96 265.59

259.31 262.15 261.11 262.43 259.36

261.84 262.98 262.57 263.68 261.91

265.18 265.62 264.40 264.70 264.81

258.69 257.25 259.27 259.18 257.84

261.20 261.77 261.86 261.98 261.80

6 7 8 9 10

265.65 264.60 264.23 264.75 264.22

262.41 260.94 259.87 260.87 259.59

263.87 262.83 262.18 262.57 261.90

264.91 264.77 263.95 264.28 263.58

261.78 261.31 259.63 260.30 259.80

263.44 263.40 260.70 262.18 261.79

265.93 265.40 263.78 264.81 264.97

259.39 261.53 260.12 258.46 256.77

262.66 263.62 261.73 261.85 261.07

264.42 265.71 266.10 265.40 265.59

260.82 259.63 259.34 258.06 257.71

263.05 262.21 262.60 261.92 261.75

11 12 13 14 15

265.12 264.99 261.64 259.94 261.20

261.57 261.18 257.87 256.85 259.66

263.11 262.87 260.28 258.77 260.27

264.12 263.85 264.91 264.03 263.20

257.66 261.41 261.67 258.76 258.71

261.21 262.83 262.94 261.56 260.47

265.48 265.82 264.92 264.91 262.95

260.08 258.01 260.28 256.98 258.28

263.30 262.05 262.80 261.88 261.27

265.31 265.09 265.36 266.01 266.26

257.33 257.51 257.82 259.06 258.59

261.45 261.04 262.21 262.21 262.68

16 17 18 19 20

264.31 263.87 265.56 264.91 263.57

257.27 257.23 262.31 261.66 261.15

260.50 259.68 264.15 263.63 262.13

262.70 266.07 265.99 265.92 265.07

258.09 258.44 264.44 263.27 262.71

259.97 262.57 265.23 264.79 264.19

263.74 262.70 264.92 265.74 266.19

260.22 258.34 261.20 261.59 260.13

262.14 260.36 263.44 263.31 262.82

264.95 264.93 265.67 265.44 265.49

258.53 257.81 257.61 257.64 258.23

261.55 261.06 261.50 261.12 261.76

21 22 23 24 25

263.85 264.99 264.21 265.23 265.50

260.86 259.72 257.86 259.88 262.73

261.66 262.90 261.38 261.52 264.49

264.09 266.04 265.46 266.17 264.44

258.66 258.18 262.33 262.68 262.00

261.72 261.94 264.03 264.41 262.41

265.59 264.19 265.82 264.97 265.09

258.98 257.38 258.88 258.53 261.08

262.56 259.91 261.96 261.61 263.53

265.05 266.20 266.05 265.82 264.43

257.54 259.24 259.77 258.60 257.37

261.66 262.15 263.15 262.19 260.68

26 27 28 29 30 31

266.02 265.35 264.43 -------

263.17 260.64 260.47 -------

264.72 262.98 263.04 -------

262.45 264.28 264.07 263.51 260.80 260.89

259.95 257.05 259.67 260.72 260.00 259.00

261.13 261.07 262.12 261.49 260.52 259.80

266.26 265.33 266.02 265.57 265.97 ---

259.07 259.76 259.05 259.13 261.58 ---

263.12 262.83 263.69 262.14 263.78 ---

266.06 264.67 265.70 265.30 264.05 264.31

258.28 257.76 258.17 257.51 257.75 257.87

261.68 261.46 262.26 261.88 260.97 260.96

MONTH 266.02

256.85

262.48

266.17

257.05

262.34

266.26

256.77

262.41

266.26

257.25

261.80

MIN

MEAN

Elevation above NGVD 1929, feet MAX MIN MEAN MAX MIN

MEAN

MAX

MIN

MEAN

FEBRUARY

DAY

MAX

MARCH

JUNE

APRIL

JULY

MEAN

MAY

AUGUST

SEPTEMBER

1 2 3 4 5

265.03 265.72 262.67 265.14 266.12

259.25 259.20 258.07 258.41 257.73

262.47 263.36 260.84 261.48 261.72

265.81 265.76 266.13 266.46 265.80

259.22 257.66 257.17 259.41 257.75

262.81 262.43 261.85 262.99 262.58

265.71 265.65 265.15 265.03 264.95

259.38 258.65 257.66 257.18 257.44

262.66 262.26 261.12 261.60 261.38

265.37 265.09 265.13 264.57 264.65

257.77 258.14 257.39 257.07 257.93

261.67 261.87 261.86 261.10 260.69

6 7 8 9 10

266.04 265.83 265.99 265.40 266.11

257.92 257.67 257.23 258.09 257.99

262.11 261.80 261.76 262.32 262.13

266.06 266.34 264.56 261.87 261.77

258.18 258.79 257.23 259.24 258.89

262.17 263.16 260.97 260.05 260.14

264.84 265.15 265.07 265.60 265.55

257.26 257.36 257.74 257.97 258.25

261.68 261.89 261.49 262.56 262.02

265.15 265.34 265.71 265.58 265.52

256.38 256.07 256.56 257.63 257.49

260.59 260.98 260.94 261.46 262.08

11 12 13 14 15

264.48 265.97 265.56 266.09 266.26

258.25 259.82 259.69 257.06 256.96

261.11 262.56 262.40 261.65 261.97

265.48 266.19 265.28 266.21 265.89

257.98 258.40 257.43 260.39 259.87

262.39 262.74 261.71 263.05 262.74

265.03 265.79 266.31 266.35 265.76

259.75 258.09 256.35 257.38 258.59

261.81 262.60 262.22 262.42 262.66

265.74 266.06 265.48 264.75 265.17

257.38 257.47 257.47 258.20 257.20

261.53 261.30 262.10 261.27 261.43

16 17 18 19 20

265.97 265.80 265.43 264.55 265.99

256.83 259.13 257.62 257.24 257.27

261.31 262.15 261.60 260.37 261.17

265.15 265.74 266.24 265.60 266.09

260.18 257.35 259.31 259.03 259.84

262.56 262.06 262.48 262.66 262.74

265.86 265.38 265.88 266.25 266.18

258.40 257.76 258.39 259.11 259.40

262.49 262.02 262.14 263.23 263.41

265.70 266.05 265.96 265.99 265.38

256.55 257.47 258.36 257.97 259.63

261.69 262.64 262.84 261.99 262.46

21 22 23 24 25

265.57 265.48 265.46 265.41 264.67

257.72 258.22 257.49 257.69 257.17

261.26 261.79 261.53 261.54 260.62

265.29 265.57 265.98 265.76 265.93

257.39 256.95 256.05 258.09 257.53

261.47 262.07 261.89 262.20 261.55

266.34 265.58 265.46 265.79 265.39

258.35 259.25 258.62 257.82 258.09

263.01 262.36 262.19 261.67 261.89

265.57 265.91 265.94 266.03 265.33

257.20 257.82 257.38 257.66 258.69

261.87 261.77 261.46 262.49 262.17

26 27 28 29 30 31

265.78 265.40 265.77 265.36 265.53 ---

257.32 257.68 256.49 260.30 257.74 ---

261.70 262.34 261.11 262.64 261.84 ---

266.24 265.45 263.91 264.17 264.93 265.84

257.20 256.16 256.91 257.08 258.30 258.98

261.85 261.66 260.85 260.87 261.65 262.56

265.04 265.49 265.27 265.70 265.47 265.51

256.98 257.97 256.79 256.91 259.46 258.85

261.30 261.71 261.59 262.11 263.44 262.65

265.24 265.25 265.60 265.68 264.78 ---

257.56 258.06 256.49 257.26 258.64 ---

261.88 261.45 260.87 261.79 261.94 ---

266.46

256.05

262.03

266.35

256.35

262.18

266.06

256.07

261.67

MONTH 266.26

256.49

261.75

YEAR

256.05

262.29

266.47

214

SANTEE RIVER BASIN 02160991 BROAD RIVER NEAR JENKINSVILLE, SC

LOCATION.--Lat 34°15'38'', long 81°19'50'', Fairfield County, Hydrologic Unit 03050106, in power house of dam, 0.3 mi upstream from Mayo Creek, 2.5 mi west of Jenkinsville, and at mile 201.4. DRAINAGE AREA.--4,750 mi2, approximately. GAGE HEIGHT RECORDS PERIOD OF RECORD.--October 1987 to current year. GAGE.--Data collection platform. Datum of gage is NGVD of 1929. REMARKS.--Regulated by flow from Parr Shoals Dam. EXTREMES FOR PERIOD OF RECORD.--Maximum elevation, 242.98 ft, Oct. 14, 1990; minimum elevation, 219.24 ft, Sep. 12, 2002. EXTREMES FOR CURRENT YEAR.--Maximum elevation, 232.60 ft, June 2; minimum elevation, 219.53 ft, Jan. 30. Elevation above NGVD 1929, feet WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

MEAN

MAX

OCTOBER

MIN

MEAN

MAX

NOVEMBER

MIN

MEAN

MAX

DECEMBER

MIN

MEAN

JANUARY

1 2 3 4 5

228.95 224.73 224.96 226.19 224.73

222.53 222.43 222.39 222.45 222.26

225.27 223.13 223.00 223.33 222.77

223.03 222.31 222.25 223.09 227.04

221.31 221.25 220.84 220.75 222.12

222.17 221.79 221.80 222.24 224.46

222.86 223.83 223.06 222.85 222.84

221.87 221.71 220.80 222.68 221.64

222.39 222.67 222.68 222.77 222.65

223.33 222.93 223.40 222.99 222.99

222.82 222.74 221.99 222.17 222.09

223.06 222.87 222.87 222.63 222.71

6 7 8 9 10

225.14 223.21 222.76 222.71 222.59

222.37 222.34 222.37 222.36 222.32

223.17 222.61 222.53 222.48 222.48

226.67 224.10 225.49 222.95 223.02

222.69 222.64 222.67 221.54 222.38

224.54 222.84 223.51 222.60 222.76

223.06 222.98 224.82 223.57 225.33

221.14 221.55 221.95 222.70 222.70

222.26 222.38 222.84 222.93 223.48

223.07 223.67 222.95 222.98 223.07

222.80 222.54 222.74 222.61 221.73

222.93 222.91 222.85 222.84 222.63

11 12 13 14 15

222.78 222.70 222.63 222.68 222.75

221.35 221.73 222.08 222.43 221.94

222.32 222.06 222.50 222.55 222.52

223.00 222.51 224.01 225.47 226.22

222.39 222.00 221.91 222.59 222.67

222.62 222.18 222.65 223.26 223.48

230.34 229.91 229.23 225.76 225.16

225.18 224.72 222.78 222.57 222.74

228.60 227.67 225.47 223.88 223.38

223.30 222.93 223.07 224.63 227.37

221.62 222.04 221.79 220.69 222.81

222.19 222.45 222.84 222.86 224.64

16 17 18 19 20

222.55 222.51 222.65 221.70 222.68

222.33 222.09 221.67 221.49 221.50

222.46 222.42 222.41 221.62 222.05

223.03 223.12 222.98 223.00 222.86

221.27 222.00 221.94 221.32 221.97

222.36 222.57 222.47 222.61 222.59

223.25 223.70 222.93 224.93 224.72

221.83 222.80 222.56 219.95 222.21

222.91 223.03 222.83 223.04 223.11

224.73 226.58 223.13 223.10 226.58

222.73 222.72 222.69 222.78 222.12

223.40 223.72 222.87 222.93 223.25

21 22 23 24 25

222.67 222.62 222.15 222.59 224.13

221.34 219.58 220.57 221.61 220.71

222.48 222.14 221.77 222.22 222.14

222.80 222.85 224.98 223.05 222.88

220.50 221.80 222.10 222.06 222.09

222.04 222.35 222.97 222.76 222.75

224.18 223.02 222.93 223.59 226.58

222.17 222.41 222.71 222.74 222.78

222.71 222.63 222.85 222.92 223.63

223.07 222.92 223.07 223.09 222.78

221.98 222.69 222.67 222.55 222.17

222.45 222.83 222.87 222.88 222.61

26 27 28 29 30 31

222.60 222.82 222.79 222.23 222.56 222.95

220.61 220.73 220.64 220.61 220.80 220.77

221.77 222.36 221.85 221.72 222.21 222.24

223.34 224.36 222.94 224.67 222.99 ---

222.65 221.89 222.74 222.75 222.65 ---

222.86 222.97 222.82 223.14 222.83 ---

227.62 226.25 223.34 223.12 225.35 223.28

223.68 221.72 221.72 222.70 222.80 222.79

225.49 222.75 222.73 222.92 223.23 223.08

222.77 222.95 223.10 222.91 222.98 223.11

222.11 222.39 222.18 221.83 219.53 222.78

222.28 222.59 222.92 222.43 222.06 222.95

MONTH 228.95

219.58

222.47

227.04

220.50

222.77

230.34

219.95

223.42

227.37

219.53

222.85

215

SANTEE RIVER BASIN 02160991 BROAD RIVER NEAR JENKINSVILLE, SC--Continued Elevation above NGVD 1929, feet WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

MEAN

MAX

MIN

MEAN

MAX

MIN

MEAN

MAX

MIN

1 2 3 4 5

223.07 223.10 223.25 223.68 223.16

222.78 222.83 222.80 222.74 222.89

222.94 222.96 222.97 222.99 222.99

228.06 228.03 224.81 224.67 223.94

222.91 222.84 222.65 222.57 222.91

224.63 225.29 223.18 223.44 223.27

226.80 227.17 225.88 225.57 225.42

222.42 223.14 221.86 223.09 222.55

224.08 224.39 223.27 223.94 223.43

223.00 223.22 223.35 223.41 222.91

222.77 220.73 222.73 222.77 221.68

222.88 222.72 222.96 222.96 222.46

6 7 8 9 10

224.13 223.26 223.19 223.23 223.77

222.86 222.79 222.82 222.64 222.71

223.16 223.01 222.99 222.98 222.91

224.20 223.98 224.18 226.35 225.80

222.70 222.83 222.77 223.05 222.86

223.27 223.29 223.20 224.42 223.33

224.89 224.84 223.51 226.37 224.37

222.72 222.83 222.78 222.71 222.45

223.41 223.56 223.02 223.77 223.08

223.27 223.00 223.35 223.07 222.67

221.81 221.88 221.80 220.17 220.77

222.70 222.47 222.57 222.38 222.08

11 12 13 14 15

223.12 223.00 222.89 222.88 223.08

222.63 222.52 222.40 219.69 222.16

222.94 222.84 222.79 221.71 222.65

223.62 222.99 223.01 223.15 222.97

222.54 222.85 222.83 222.73 222.22

222.97 222.93 222.91 222.93 222.58

225.93 223.95 226.79 226.13 225.44

220.89 222.59 222.83 222.02 222.74

223.82 223.09 224.74 224.10 224.08

223.02 222.98 223.06 222.42 223.22

221.55 221.84 222.05 222.06 221.83

222.53 222.59 222.57 222.20 222.54

16 17 18 19 20

223.12 223.09 224.49 222.96 222.36

221.79 221.38 222.64 221.35 222.11

222.49 222.52 222.98 222.09 222.19

224.32 227.36 225.68 224.79 223.91

222.42 222.78 223.12 222.98 222.93

222.99 224.45 224.10 223.56 223.13

225.93 224.86 223.71 225.71 225.90

222.97 222.65 222.55 222.87 221.50

224.53 223.01 223.12 223.70 223.58

223.04 222.97 223.43 223.24 223.24

222.08 221.68 221.49 221.39 222.46

222.76 222.40 222.35 222.64 222.80

21 22 23 24 25

223.10 227.79 224.37 225.53 228.00

219.90 222.42 222.69 222.79 222.87

222.51 224.07 223.14 223.81 224.03

223.34 223.65 223.35 227.70 226.53

222.54 222.35 222.68 222.91 224.08

223.00 223.09 223.01 223.79 224.47

225.78 222.99 222.95 222.92 225.95

220.62 222.73 220.84 222.34 222.39

223.02 222.84 222.82 222.47 223.25

223.00 223.56 224.84 223.05 222.63

222.49 222.74 221.42 220.71 221.35

222.84 222.92 223.18 222.71 222.30

26 27 28 29 30 31

223.68 226.17 225.03 -------

222.89 222.81 222.89 -------

223.05 223.54 223.57 -------

224.34 224.16 230.63 232.56 231.30 229.49

222.86 222.74 222.82 229.10 228.36 223.53

223.48 223.14 226.11 230.60 230.01 227.33

224.50 223.78 223.71 223.07 223.03 ---

222.73 222.71 222.23 222.64 222.82 ---

223.24 223.11 222.73 222.88 222.94 ---

223.16 222.97 223.03 222.96 222.95 222.96

220.93 220.93 222.00 221.68 222.02 221.27

222.43 222.11 222.27 222.19 222.52 222.26

MONTH 228.00

219.69

222.96

232.56

222.22

224.13

227.17

220.62

223.43

224.84

220.17

222.56

MIN

MEAN

Elevation above NGVD 1929, feet MAX MIN MEAN MAX MIN

MEAN

MAX

MIN

MEAN

FEBRUARY

DAY

MAX

MARCH

JUNE

APRIL

JULY

MEAN

MAY

AUGUST

SEPTEMBER

1 2 3 4 5

223.47 232.60 227.04 229.69 223.92

221.31 221.39 221.38 222.81 221.30

222.42 227.04 224.57 224.82 222.60

226.48 225.43 224.45 225.66 224.12

222.86 222.52 220.61 222.40 222.59

224.34 223.40 222.58 223.31 223.09

223.16 223.35 223.02 222.85 222.84

222.51 222.54 222.39 221.16 221.13

222.77 222.88 222.74 222.35 222.18

222.56 222.31 222.45 222.13 222.46

220.51 221.15 221.19 221.03 221.21

221.63 221.70 221.75 221.67 221.89

6 7 8 9 10

224.45 223.47 223.67 223.60 224.22

222.79 221.25 222.03 222.73 222.43

223.22 222.70 222.77 223.01 223.08

224.56 225.22 231.06 230.05 229.76

222.54 222.72 222.21 226.33 225.06

223.09 223.46 226.12 228.57 227.32

222.84 222.83 222.84 222.97 223.12

221.12 221.50 221.51 221.83 222.33

222.22 221.98 222.14 222.46 222.82

221.29 221.78 221.25 222.61 222.44

220.12 220.09 220.23 220.54 220.63

220.97 220.85 220.70 221.49 221.48

11 12 13 14 15

223.21 223.97 226.44 223.53 223.85

222.52 222.54 222.45 220.41 221.31

222.83 223.01 223.62 222.58 222.74

229.77 224.15 223.01 226.23 225.71

222.19 220.51 220.90 222.12 222.61

225.01 222.51 222.29 223.32 223.92

228.57 224.23 223.89 223.09 223.02

222.65 222.42 221.77 222.12 221.72

223.94 223.24 222.66 222.55 222.38

222.45 222.33 221.29 221.71 221.77

220.51 220.54 221.10 220.62 220.52

221.09 221.28 221.22 221.32 220.74

16 17 18 19 20

223.26 223.12 223.00 222.94 222.98

220.63 222.38 222.15 222.01 220.86

222.60 222.81 222.64 222.36 222.56

230.67 223.48 224.43 224.07 224.88

222.16 221.68 221.99 222.43 222.18

224.66 222.68 222.87 223.02 223.07

223.07 222.75 222.97 223.66 223.49

221.46 221.16 220.88 221.61 221.14

222.31 221.75 222.00 222.43 222.20

221.73 222.70 222.11 222.12 221.86

220.21 220.63 220.53 220.64 220.55

220.92 221.52 221.28 221.14 220.93

21 22 23 24 25

223.04 223.05 222.99 222.97 222.65

220.74 222.06 222.06 221.76 220.85

222.25 222.63 222.64 222.38 221.99

223.29 223.26 222.78 222.75 223.10

220.83 222.34 221.25 221.44 222.50

222.56 222.71 222.45 222.20 222.77

223.30 222.98 223.01 222.94 222.89

221.52 221.01 220.77 220.57 221.20

222.21 221.96 222.04 222.10 222.14

221.34 221.76 222.50 221.85 221.82

220.53 220.51 220.57 219.63 220.52

220.77 220.90 221.32 220.98 221.15

26 27 28 29 30 31

222.60 222.95 223.39 230.14 230.03 ---

221.24 221.59 220.66 222.50 222.62 ---

221.96 222.46 222.65 225.78 224.29 ---

223.09 222.68 222.79 222.65 222.70 222.75

221.29 221.04 221.74 221.13 222.41 222.45

222.61 221.77 222.53 222.30 222.57 222.61

222.64 222.54 222.51 222.70 222.67 222.52

220.68 221.08 220.54 221.18 221.11 220.61

221.74 221.89 221.82 221.94 222.06 221.53

222.65 221.72 221.68 220.93 221.07 ---

220.60 220.56 220.57 220.52 220.02 ---

221.26 220.97 220.99 220.64 220.62 ---

231.06

220.51

223.41

228.57

220.54

222.30

222.70

219.63

221.17

MONTH 232.60

220.41

223.10

YEAR

219.53

222.88

232.60

216

SANTEE RIVER BASIN 02160991 BROAD RIVER NEAR JENKINSVILLE, SC--Continued WATER-QUALITY RECORDS

PERIOD OF RECORD.--Water years 1974 to current year. PERIOD OF DAILY RECORDS.-SPECIFIC CONDUCTANCE: October 1973 to current year. pH: October 1973 to current year. WATER TEMPERATURE: October 1973 to current year. DISSOLVED OXYGEN: October 1973 to current year. INSTRUMENTATION.--Water-quality multiprobe and data collection platform. REMARKS.--Specific conductance records rated excellent except for Nov. 25 to Dec. 2, July 4-11, July 20 to Aug. 3, Aug. 24-31, which are good, Oct. 1, which are poor. pH records rated excellent except for Oct. 1, 11-13, 21-28, Dec. 3, 4, 28, 29, which are good, and Oct. 29 to Nov. 4, which are fair. Temperature records rated excellent. Dissolved oxygen records rated excellent except for June 15-22, which are good, and June 23 to July 9, which are fair. EXTREMES FOR PERIOD OF DAILY RECORD.-SPECIFIC CONDUCTANCE: Maximum, 249 microsiemens, Oct. 15, 1996; minimum, 30 microsiemens, Mar. 30, 1980, and Aug. 21, 1986. pH: Maximum, 8.3 units, Jul. 24, 1977; minimum, 5.0 units, Jul. 13, 1987. WATER TEMPERATURE: Maximum, 32.5°C, Aug. 25, 1975, Jul. 25, 1976, Jul. 11, 16, 1977, and many days in Jul. 1986; minimum, less than 0.5°C, Jan. 19-21, 1977, Jan. 11, 1988, Jan. 20, 1994. DISSOLVED OXYGEN: Maximum, 14.3 mg/L, many days in Jan. 1988; minimum, 0.6 mg/L, May 25, 2003. EXTREMES FOR CURRENT YEAR.-SPECIFIC CONDUCTANCE: Maximum, 103 microsiemens, Sep. 23, 28; minimum, 42 microsiemens, July 9, 10. pH: Maximum, 7.6 units, several days in January and February, Apr. 24, 27, 29, May 5-7, 13; minimum 6.3 units, Oct. 7-9, 14, 16. WATER TEMPERATURE: Maximum, 31.2°C, Aug. 20; minimum, 5.4°C, Jan. 30. DISSOLVED OXYGEN: Maximum, 12.9 mg/L, Dec. 23; minimum, 3.8 mg/L, Aug. 24. Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

73 73 72 72 73

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

55 64 66 68 69

65 70 70 71 71

93 87 87 86 93

83 82 84 79 78

86 84 86 83 84

79 78 75 76 78

74 75 75 75 76

76 76 75 76 77

67 67 71 72 72

66 67 67 71 70

66 67 69 71 71

73 75 78 77 77

71 72 73 74 73

72 73 75 75 75

81 80 78 76 76

72 73 72 72 74

77 77 76 75 76

79 80 80 82 81

77 77 77 77 78

78 78 78 79 79

74 74 73 74 74

72 72 73 72 73

72 73 73 73 73

11 12 13 14 15

78 78 79 83 84

74 74 74 77 76

75 76 76 79 80

78 78 78 81 80

75 77 78 78 78

76 78 78 79 79

80 ---------

57 ---------

66 ---------

75 76 78 77 78

73 73 73 74 74

73 74 75 75 75

16 17 18 19 20

82 88 89 81 91

76 80 78 77 78

79 83 83 78 82

79 78 78 79 80

78 77 77 77 78

78 78 77 78 78

-----------

-----------

-----------

77 75 74 74 74

72 71 70 71 73

75 74 72 73 73

21 22 23 24 25

87 90 90 85 87

78 79 80 80 81

81 83 84 82 83

82 82 81 81 83

79 79 77 78 78

80 80 79 79 80

-----------

-----------

-----------

77 77 78 78 79

73 75 75 75 76

75 76 76 76 77

26 27 28 29 30 31

91 93 92 91 91 88

85 83 84 86 85 85

87 87 86 87 88 86

83 82 81 80 79 ---

80 80 80 78 75 ---

81 81 80 79 77 ---

--------69 69

--------66 65

--------68 66

77 81 78 78 81 80

75 75 74 75 75 75

76 77 76 76 77 77

MONTH

93

55

79

93

72

79

---

---

---

81

66

74

OCTOBER

MIN NOVEMBER

MIN DECEMBER

MIN

MEAN

JANUARY

217

SANTEE RIVER BASIN 02160991 BROAD RIVER NEAR JENKINSVILLE, SC--Continued Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

80 81 85 83 87

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

76 78 77 77 78

78 79 80 79 84

78 78 76 75 75

71 70 70 67 71

75 74 73 73 73

72 72 69 72 74

56 61 62 65 67

64 63 65 68 69

81 82 81 80 78

76 75 75 76 76

77 77 77 77 76

84 84 82 81 82

80 79 78 78 78

82 81 80 80 79

76 76 78 78 78

70 74 75 76 76

73 75 76 77 77

74 74 74 75 76

71 73 74 74 74

73 74 74 74 74

77 79 82 83 81

75 76 77 77 77

76 77 78 78 78

11 12 13 14 15

83 83 83 86 84

78 78 78 78 78

80 81 80 81 81

78 77 78 80 80

77 77 77 77 78

77 77 77 78 79

75 76 74 74 74

74 73 73 72 68

74 74 74 74 73

83 84 82 81 81

77 77 78 77 78

79 79 79 78 79

16 17 18 19 20

86 87 81 81 87

78 78 78 78 81

80 82 78 79 83

82 80 78 76 77

79 77 74 73 76

80 78 76 74 76

74 74 72 73 73

68 68 67 70 73

71 71 70 72 73

82 85 85 83 81

77 77 78 78 77

79 80 80 80 79

21 22 23 24 25

88 88 84 80 79

84 79 79 78 78

86 83 80 79 78

78 79 78 80 80

77 77 77 78 78

77 77 77 79 79

74 75 76 78 77

73 74 74 74 74

74 74 74 75 75

81 82 80 80 80

78 77 78 78 78

79 79 79 79 79

26 27 28 29 30 31

78 78 78 -------

77 77 77 -------

77 78 78 -------

79 80 77 69 67 74

76 76 68 52 49 51

77 77 76 58 52 61

79 80 78 78 78 ---

74 75 75 76 75 ---

75 76 76 76 76 ---

80 80 81 82 84 85

78 78 78 78 77 79

79 79 79 79 79 80

MONTH

88

76

80

82

49

74

80

56

72

85

75

78

Specific conductance, water, unfiltered, microsiemens per centimeter at 25 degrees Celsius MAX MIN MEAN MAX MIN MEAN MAX MIN MEAN MAX MIN

MEAN

FEBRUARY

DAY

MIN MARCH

JUNE

MIN APRIL

JULY

MIN

MEAN

MAY

AUGUST

SEPTEMBER

1 2 3 4 5

83 83 75 79 78

78 65 52 65 71

80 76 63 72 76

78 76 75 74 71

67 68 69 63 66

76 75 74 69 69

77 79 81 77 77

72 73 71 71 72

74 75 75 73 73

89 87 86 85 88

77 76 76 74 74

80 79 78 77 78

6 7 8 9 10

76 73 75 76 76

69 72 73 74 74

72 72 74 75 75

71 71 70 57 50

69 64 57 42 42

70 69 68 45 45

77 78 83 87 86

72 72 72 72 74

73 73 74 75 77

84 83 85 93 85

76 76 77 78 78

79 78 78 81 79

11 12 13 14 15

77 78 78 80 80

74 74 75 76 77

76 75 76 77 77

69 69 68 70 71

46 59 63 65 67

60 66 67 68 70

81 77 75 75 76

75 73 71 73 73

77 75 74 74 74

88 87 82 86 86

78 77 78 78 79

80 80 79 80 81

16 17 18 19 20

80 79 80 80 82

77 77 77 77 77

78 78 78 78 78

73 72 72 72 73

68 67 68 70 72

71 71 71 72 72

81 82 82 81 80

75 75 76 75 75

76 76 77 77 76

91 90 90 92 85

81 79 79 80 79

83 81 81 83 81

21 22 23 24 25

86 85 84 84 81

78 79 75 76 76

80 81 79 78 78

75 75 77 77 79

73 72 72 72 72

73 73 74 74 75

83 81 85 86 86

76 76 75 77 77

77 77 78 79 79

94 98 103 94 91

81 80 82 81 81

84 84 86 84 83

26 27 28 29 30 31

81 84 88 80 79 ---

76 77 77 76 66 ---

77 78 80 78 75 ---

78 78 77 77 78 78

74 74 72 71 71 70

76 76 73 73 74 74

88 86 85 84 82 85

77 78 77 77 77 76

82 83 80 79 78 79

92 97 103 93 91 ---

81 81 85 85 86 ---

84 85 88 87 87 ---

MONTH

88

52

76

79

42

70

88

71

76

103

74

82

218

SANTEE RIVER BASIN 02160991 BROAD RIVER NEAR JENKINSVILLE, SC--Continued pH, water, unfiltered, field, standard units WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

1 2 3 4 5

7.2 7.2 6.8 6.8 6.7

6.7 6.7 6.6 6.6 6.6

7.0 7.0 7.1 7.2 7.2

6.8 6.8 7.0 7.0 7.1

6.8 7.0 7.0 7.1 7.1

6.6 6.7 6.9 6.9 7.0

7.3 7.2 7.2 7.2 7.2

7.2 7.2 7.2 7.2 7.2

7.6 7.6 7.6 7.6 7.5

7.4 7.4 7.4 7.5 7.5

7.2 7.2 7.2 7.2 7.2

7.1 7.1 7.1 7.1 7.2

6 7 8 9 10

6.8 6.5 6.5 6.5 6.5

6.4 6.3 6.3 6.3 6.4

7.2 7.1 7.0 7.0 7.0

7.0 7.0 7.0 7.0 6.9

7.1 7.1 7.1 7.2 7.3

7.0 7.0 7.0 7.0 7.2

7.3 7.3 7.3 7.3 7.3

7.2 7.2 7.2 7.2 7.2

7.5 7.5 7.4 7.4 7.4

7.5 7.4 7.4 7.4 7.4

7.2 7.3 7.3 7.2 7.3

7.2 7.2 7.2 7.2 7.2

11 12 13 14 15

6.7 6.7 6.7 6.4 6.6

6.4 6.5 6.4 6.3 6.4

7.0 6.9 7.0 7.0 6.9

6.9 6.9 6.9 6.9 6.8

7.2 6.8 6.7 6.7 6.8

6.8 6.6 6.6 6.4 6.6

7.2 7.3 7.3 7.4 7.4

7.2 7.2 7.2 7.3 7.3

7.6 7.6 7.5 7.5 7.5

7.4 7.4 7.4 7.4 7.4

7.3 7.3 7.4 7.3 7.3

7.2 7.2 7.3 7.2 7.2

16 17 18 19 20

6.5 6.7 6.6 6.5 6.6

6.3 6.4 6.4 6.4 6.4

6.8 6.8 6.8 6.8 6.8

6.8 6.8 6.8 6.8 6.8

6.8 6.6 6.8 6.7 6.8

6.6 6.6 6.6 6.7 6.6

7.3 7.3 7.3 7.3 7.3

7.2 7.3 7.3 7.3 7.3

7.5 7.5 7.5 7.5 7.5

7.4 7.4 7.5 7.4 7.5

7.3 7.3 7.3 7.2 7.2

7.2 7.2 7.1 7.1 7.2

21 22 23 24 25

6.6 6.7 6.7 6.7 6.7

6.5 6.5 6.6 6.6 6.5

6.8 6.8 6.8 6.8 6.8

6.8 6.8 6.7 6.7 6.7

6.8 ----6.9 6.9

6.8 ----6.8 6.8

7.3 7.3 7.4 7.4 7.3

7.3 7.3 7.3 7.3 7.3

7.6 7.5 7.4 7.3 7.3

7.5 7.4 7.1 7.2 7.2

7.2 7.2 7.3 7.3 7.2

7.1 7.1 7.2 7.2 7.2

26 27 28 29 30 31

6.7 6.8 6.8 6.8 6.9 7.1

6.6 6.6 6.6 6.7 6.7 6.8

6.8 6.8 6.8 6.8 6.8 ---

6.7 6.7 6.7 6.7 6.7 ---

7.0 7.1 7.0 7.3 7.2 7.3

6.8 6.8 7.0 7.0 7.2 7.2

7.6 7.6 7.6 7.6 7.6 7.6

7.3 7.5 7.5 7.5 7.5 7.5

7.2 7.2 7.3 -------

7.2 7.1 7.2 -------

7.2 7.2 7.3 7.1 7.1 7.2

7.2 7.2 7.1 6.7 6.7 6.8

MONTH

7.2

6.3

7.2

6.7

---

---

7.6

7.2

7.6

7.1

7.4

6.7

DAY

MAX

MIN

MAX

MAX

MIN

MAX

MIN

OCTOBER

MAX

MIN

NOVEMBER

APRIL

MAX

MIN

DECEMBER

MAX

MIN

JANUARY

pH, water, unfiltered, field, standard units MIN MAX MIN MAX MIN MAY

JUNE

JULY

MAX

MIN

FEBRUARY

AUGUST

MAX

MIN

MARCH

SEPTEMBER

1 2 3 4 5

7.1 7.2 7.3 7.2 7.2

6.8 7.0 7.0 7.0 7.1

7.5 7.5 7.5 7.4 7.6

7.4 7.2 7.2 7.2 7.4

7.4 7.4 7.2 7.3 7.3

7.3 7.1 6.8 7.0 7.0

7.0 7.0 7.0 7.0 6.9

6.8 6.8 6.9 6.8 6.8

6.9 6.9 7.1 7.3 7.1

6.8 6.8 6.8 6.9 6.9

7.1 7.1 7.1 7.1 7.1

6.9 6.9 7.0 6.9 6.9

6 7 8 9 10

7.2 7.2 7.2 7.3 7.3

7.1 7.1 7.1 7.2 7.1

7.6 7.6 7.5 7.5 7.4

7.5 7.4 7.4 7.3 7.3

7.2 7.1 7.1 7.1 7.1

6.9 7.0 6.9 7.0 6.9

7.0 7.0 7.0 6.9 6.7

6.8 6.9 6.8 6.5 6.5

7.0 7.0 7.1 7.1 7.1

6.8 6.9 6.9 6.9 6.9

7.2 7.1 7.1 7.2 7.2

7.0 7.0 7.0 7.0 7.0

11 12 13 14 15

7.2 7.2 7.3 7.3 7.3

7.2 7.1 7.2 7.2 7.2

7.5 7.5 7.6 7.5 7.4

7.3 7.4 7.3 7.4 7.3

7.1 7.1 7.1 7.2 7.3

7.0 7.0 7.0 7.0 7.0

6.9 6.9 7.1 7.0 7.0

6.6 6.7 6.8 6.8 6.8

7.1 7.2 7.0 7.0 7.0

6.9 6.9 6.9 6.9 6.9

7.2 7.2 7.1 7.2 7.2

7.0 7.1 7.0 7.0 7.0

16 17 18 19 20

7.4 7.4 7.3 7.4 7.4

7.3 7.2 7.3 7.3 7.3

7.5 7.5 7.5 7.4 7.4

7.3 7.4 7.4 7.3 7.3

7.2 7.2 7.2 7.2 7.3

7.0 7.0 7.0 7.0 7.1

6.9 6.9 6.8 6.8 6.7

6.8 6.8 6.7 6.7 6.7

7.0 7.0 7.0 7.1 7.0

6.8 6.8 6.8 6.8 6.8

7.1 7.1 7.1 7.1 7.1

7.0 7.0 7.0 7.0 7.0

21 22 23 24 25

7.4 7.4 7.5 7.6 7.5

7.3 7.3 7.3 7.4 7.2

7.5 7.5 7.4 7.4 7.5

7.3 7.3 7.3 7.3 7.3

7.2 7.1 7.2 7.2 7.1

7.0 7.0 7.0 7.0 7.0

6.8 6.7 6.7 6.8 6.7

6.7 6.7 6.6 6.6 6.6

7.0 7.0 7.0 7.0 7.0

6.8 6.9 6.8 6.8 6.9

7.1 7.1 7.2 7.2 7.1

6.9 6.9 7.0 7.0 7.0

26 27 28 29 30 31

7.5 7.6 7.5 7.6 7.5 ---

7.2 7.4 7.4 7.4 7.4 ---

7.4 7.4 7.4 7.4 7.4 7.5

7.3 7.3 7.3 7.2 7.3 7.3

7.2 7.2 7.1 7.1 7.0 ---

7.0 7.0 6.9 7.0 6.8 ---

6.7 6.8 6.8 6.7 6.8 6.8

6.6 6.7 6.6 6.7 6.7 6.7

7.1 7.1 7.0 7.0 7.0 7.2

6.9 6.9 6.8 6.8 6.9 6.9

7.1 7.1 7.2 7.1 7.2 ---

7.0 7.0 7.0 7.0 7.1 ---

MONTH

7.6

6.8

7.6

7.2

7.4

6.8

7.1

6.5

7.3

6.8

7.2

6.9

219

SANTEE RIVER BASIN 02160991 BROAD RIVER NEAR JENKINSVILLE, SC--Continued Temperature, water, degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

24.7 24.6 24.3 24.5 24.2

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

21.4 23.4 23.2 22.4 23.5

22.9 24.1 23.9 23.8 23.8

21.8 22.2 22.0 21.8 21.2

20.7 21.4 21.4 21.2 19.5

21.2 21.8 21.7 21.6 20.4

15.1 15.0 14.5 13.9 12.9

11.5 14.3 13.7 12.3 11.4

13.4 14.7 14.0 13.3 12.2

7.2 6.8 9.0 11.2 10.7

6.5 6.4 6.8 8.9 9.6

6.8 6.6 7.7 9.9 10.2

23.8 23.3 23.3 23.4 23.4

22.4 21.8 21.3 22.0 22.4

23.5 22.9 22.5 22.8 23.1

20.5 19.9 20.9 19.0 18.2

17.3 17.2 16.2 15.8 17.1

19.2 18.9 18.9 17.7 17.8

14.4 14.8 14.8 15.0 15.6

10.5 11.9 12.7 12.1 12.7

12.6 13.8 14.2 14.2 14.5

11.5 11.6 12.6 12.4 12.4

10.4 10.8 11.3 11.0 11.7

10.9 11.3 12.0 11.7 12.0

11 12 13 14 15

23.5 23.4 23.5 22.6 22.1

22.7 22.8 22.3 21.6 21.0

23.1 23.1 23.0 22.1 21.8

18.4 18.6 18.6 18.2 17.9

15.6 16.6 15.5 15.5 14.0

17.0 17.8 17.4 16.9 16.8

13.0 14.0 14.0 13.9 13.5

11.0 10.7 10.2 9.7 9.3

11.5 11.7 11.8 12.6 12.2

12.4 12.5 12.9 13.4 12.7

11.7 11.7 11.9 12.3 12.0

11.9 12.0 12.4 12.9 12.3

16 17 18 19 20

21.7 20.8 22.0 22.2 22.1

20.5 19.5 19.0 21.0 19.6

21.2 20.2 20.6 21.9 21.0

16.9 17.2 16.5 16.4 17.4

15.1 13.3 14.9 14.0 14.7

15.7 15.5 15.6 15.2 16.0

11.6 11.7 11.2 10.1 10.9

10.1 9.8 8.2 6.7 6.8

10.7 10.5 9.7 7.8 9.2

12.3 11.9 11.2 9.7 9.5

11.1 10.0 9.2 8.5 7.1

11.8 11.4 9.7 9.2 8.7

21 22 23 24 25

22.0 21.8 21.6 21.6 22.4

20.1 20.4 20.1 20.3 20.4

21.4 21.2 21.0 21.0 21.2

16.2 17.3 17.7 17.6 17.3

14.6 15.5 16.3 16.6 15.6

15.6 16.5 17.0 17.2 16.7

9.8 ----9.5 9.5

7.6 ----7.4 6.9

8.9 ----8.1 8.7

9.4 9.8 9.8 8.6 8.7

6.7 6.2 5.7 7.1 5.7

8.2 8.3 8.6 7.8 7.6

26 27 28 29 30 31

20.6 20.9 20.9 20.3 21.2 21.8

19.5 19.7 19.5 19.3 19.4 20.5

20.2 20.4 20.5 20.0 20.2 21.0

16.1 15.9 15.6 14.9 14.9 ---

15.6 15.4 13.0 13.0 12.6 ---

15.9 15.6 14.7 14.3 13.9 ---

10.7 10.3 8.4 9.2 8.6 8.6

6.3 7.2 6.7 7.5 6.6 6.0

8.1 9.0 7.6 8.3 7.8 6.8

9.1 9.1 9.3 8.8 8.5 8.4

8.4 7.2 7.7 7.2 5.4 6.5

8.7 8.3 8.7 7.9 7.2 8.0

MONTH

24.7

19.0

21.9

22.2

12.6

17.4

---

---

---

13.4

5.4

9.7

MAX

MIN

MEAN

Temperature, water, degrees Celsius MAX MIN MEAN MAX MIN

MEAN

MAX

MIN

MEAN

OCTOBER

DAY

MIN NOVEMBER

FEBRUARY

MIN DECEMBER

MARCH

MIN

MEAN

JANUARY

APRIL

MAY

1 2 3 4 5

8.4 8.2 8.3 8.3 8.3

7.6 7.2 6.2 7.0 6.2

7.9 7.7 7.5 7.9 7.1

9.6 9.6 9.9 10.2 10.1

7.9 7.1 7.6 7.2 8.9

8.9 8.5 8.7 8.9 9.5

14.6 14.8 15.1 15.0 16.1

13.2 13.3 13.0 13.9 14.0

14.1 14.4 14.1 14.4 15.0

19.0 19.1 19.8 18.8 18.3

16.8 17.6 17.2 17.3 17.7

17.7 18.2 18.3 18.1 18.0

6 7 8 9 10

8.4 8.8 9.4 9.2 9.1

6.6 6.8 7.7 8.7 8.4

7.5 7.8 8.6 8.9 8.9

10.5 11.0 11.6 11.1 11.6

8.7 9.6 10.5 9.7 9.9

9.7 10.3 11.0 10.4 10.7

16.1 16.0 17.0 17.4 19.4

13.8 13.7 14.1 16.1 16.0

14.8 14.4 15.5 16.6 17.3

18.5 20.0 20.9 21.5 20.6

16.9 17.7 17.9 18.3 18.5

17.7 18.5 19.0 19.5 19.2

11 12 13 14 15

9.3 9.3 9.3 8.9 9.4

8.0 8.4 8.3 8.0 8.0

8.6 8.8 8.8 8.7 8.6

11.0 11.3 12.1 12.1 12.3

10.1 9.5 10.4 11.0 11.0

10.5 10.3 11.2 11.5 11.6

17.1 18.3 17.2 16.8 16.7

15.4 15.5 15.8 15.6 15.6

16.1 16.6 16.4 16.4 16.2

21.3 22.7 22.3 23.2 22.7

18.5 19.2 19.3 20.1 20.1

19.8 20.4 20.7 21.2 21.0

16 17 18 19 20

10.4 10.9 10.2 10.5 10.2

8.8 9.5 9.7 9.5 9.9

9.6 10.2 9.9 9.8 10.0

12.2 11.4 11.4 11.0 11.6

11.3 10.2 9.1 9.2 10.4

11.8 11.0 10.6 9.9 11.0

16.9 16.4 19.1 18.6 18.5

14.8 15.6 15.4 15.9 15.7

15.8 16.0 16.5 16.9 16.7

23.5 23.3 23.4 23.6 22.4

19.3 20.5 20.6 20.4 20.2

21.2 21.8 21.7 22.0 21.2

21 22 23 24 25

10.0 10.3 11.3 11.5 11.2

9.8 9.8 9.9 10.7 10.6

9.9 10.1 10.7 11.0 11.0

11.8 12.1 13.8 14.0 14.8

11.1 11.3 12.0 12.2 12.0

11.4 11.7 12.8 12.9 13.8

18.8 20.2 19.9 18.4 17.7

16.0 16.7 17.2 15.8 16.2

16.9 18.1 18.0 17.0 17.1

22.0 22.6 22.7 23.0 22.4

19.6 20.6 20.1 20.0 20.2

20.8 21.5 21.2 21.1 21.3

26 27 28 29 30 31

11.0 11.0 11.0 -------

10.6 10.4 9.6 -------

10.9 10.7 10.6 -------

15.2 15.1 15.0 14.4 14.8 14.7

13.2 13.2 12.1 13.4 13.2 13.2

14.3 14.0 13.4 13.8 13.9 14.0

17.3 17.8 18.6 18.1 17.5 ---

16.5 16.4 16.0 16.9 16.7 ---

16.9 16.9 17.0 17.5 17.1 ---

23.3 23.4 23.2 23.3 22.3 21.4

20.8 20.8 21.0 21.1 21.1 21.1

21.9 22.0 22.0 22.0 21.6 21.2

MONTH

11.5

6.2

9.2

15.2

7.1

11.4

20.2

13.0

16.2

23.6

16.8

20.4

220

SANTEE RIVER BASIN 02160991 BROAD RIVER NEAR JENKINSVILLE, SC--Continued Temperature, water, degrees Celsius WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

MEAN

MAX

1 2 3 4 5

21.3 20.8 20.4 21.5 23.0

20.7 19.4 18.5 18.8 20.8

MEAN

MAX

6 7 8 9 10

MEAN

MAX

21.0 20.3 19.2 19.9 21.6

26.4 27.3 27.0 27.6 28.1

25.3 25.4 26.0 26.2 26.1

25.8 26.1 26.4 26.7 26.8

28.4 29.1 29.1 30.2 30.1

27.1 27.2 27.8 28.3 28.5

28.0 28.1 28.4 29.0 29.2

29.8 29.6 29.5 29.4 28.9

28.5 28.6 28.7 28.2 27.5

29.1 29.2 29.2 28.8 28.3

24.2 24.2 24.6 25.0 25.7

21.2 21.6 22.0 22.4 22.6

22.4 22.7 23.1 23.4 23.9

28.1 27.8 27.5 25.4 24.9

26.0 25.8 25.4 23.2 23.7

26.8 26.7 26.4 23.9 24.2

29.4 28.9 28.7 29.1 29.2

28.4 28.1 28.2 27.8 28.2

28.9 28.5 28.5 28.4 28.6

28.1 27.7 27.5 27.6 27.5

26.9 25.9 26.2 26.1 26.6

27.4 26.9 27.0 27.1 27.1

11 12 13 14 15

25.8 25.4 25.4 26.9 27.8

22.8 23.7 23.2 23.3 24.1

24.0 24.4 24.0 24.8 25.5

26.9 27.5 27.6 27.4 27.4

24.2 26.1 26.5 26.2 26.2

25.7 26.6 26.9 26.6 26.6

29.1 30.1 29.4 29.7 30.3

27.6 28.0 28.3 28.5 28.6

28.3 28.7 28.7 29.0 29.4

27.4 26.9 26.9 26.7 27.3

26.1 25.7 25.8 26.0 26.1

26.7 26.3 26.4 26.4 26.7

16 17 18 19 20

27.9 27.2 27.3 26.4 26.3

23.9 24.6 25.0 24.6 24.2

25.5 25.9 26.0 25.3 25.1

27.1 27.5 29.0 28.9 29.6

26.3 26.4 26.7 26.7 27.0

26.7 27.0 27.4 27.5 27.9

30.4 30.5 30.2 31.0 31.2

29.0 29.2 29.1 29.0 29.3

29.7 29.8 29.6 29.6 29.9

27.5 27.9 27.8 28.0 28.0

26.8 27.1 27.0 27.0 27.5

27.2 27.4 27.3 27.6 27.7

21 22 23 24 25

25.8 26.1 26.7 26.6 26.2

24.9 24.4 24.6 25.3 25.5

25.4 25.2 25.6 26.0 25.9

30.6 29.9 30.2 30.2 30.5

27.2 27.6 27.8 28.8 28.3

28.5 28.6 28.9 29.4 29.3

31.1 30.5 30.1 30.0 29.8

29.6 29.6 29.1 29.1 28.6

30.3 29.9 29.5 29.6 29.4

28.1 28.2 28.3 28.1 27.9

27.4 27.4 27.3 27.4 27.6

27.7 27.8 27.8 27.8 27.7

26 27 28 29 30 31

26.1 27.3 27.1 26.1 27.0 ---

25.3 25.9 25.7 25.5 25.3 ---

25.7 26.4 26.3 25.8 25.7 ---

30.6 30.9 31.0 30.4 29.1 28.6

28.2 28.7 28.9 28.6 28.2 27.5

29.4 29.6 29.8 29.2 28.6 28.3

29.6 29.4 29.9 29.7 29.4 29.5

28.5 28.3 28.7 29.0 28.9 28.5

29.1 28.9 29.2 29.4 29.2 29.0

27.6 27.7 27.4 27.3 27.1 ---

27.1 27.0 26.8 26.6 25.8 ---

27.4 27.3 27.2 27.0 26.3 ---

MONTH

27.9

18.5

24.2

31.0

23.2

27.4

31.2

27.1

29.1

29.8

25.7

27.5

JUNE

MIN JULY

MIN AUGUST

MIN

MEAN

SEPTEMBER

221

SANTEE RIVER BASIN 02160991 BROAD RIVER NEAR JENKINSVILLE, SC--Continued

Dissolved oxygen, water, unfiltered, milligrams per liter WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

MIN

MEAN

MAX

OCTOBER

MIN

MEAN

MAX

NOVEMBER

MIN

MEAN

MAX

DECEMBER

MIN

MEAN

JANUARY

1 2 3 4 5

-----------

-----------

-----------

-----------

-----------

-----------

10.9 9.4 9.4 10.0 10.5

9.0 8.8 9.0 9.2 9.7

9.8 9.1 9.2 9.5 10.0

12.1 12.0 11.9 11.1 10.9

11.6 11.9 11.0 10.3 10.6

11.9 12.0 11.5 10.7 10.8

6 7 8 9 10

-----------

-----------

-----------

8.9 8.6 8.8 9.2 8.8

7.9 7.4 7.6 8.2 8.1

8.3 8.0 8.0 8.5 8.5

11.1 10.9 10.7 10.9 10.7

9.2 9.1 9.4 9.2 9.6

9.9 9.7 9.8 9.7 10.0

10.7 10.3 10.2 10.1 10.0

10.1 9.8 10.0 9.9 9.8

10.3 10.1 10.1 10.0 9.9

11 12 13 14 15

-----------

-----------

-----------

9.1 8.7 9.3 9.3 9.8

8.0 7.8 7.9 8.1 8.1

8.5 8.2 8.4 8.7 8.7

11.8 11.5 11.1 11.3 11.4

10.5 10.0 10.0 10.0 10.1

11.4 11.0 10.6 10.3 10.5

10.0 10.1 10.2 10.1 10.1

9.8 9.8 9.9 9.7 10.0

10.0 10.0 10.0 9.9 10.0

16 17 18 19 20

-----------

-----------

-----------

9.1 9.6 9.3 10.0 9.7

8.6 8.5 8.6 8.7 8.5

8.9 8.9 8.9 9.2 9.0

11.2 11.4 12.2 12.8 12.5

10.7 10.6 10.6 11.2 10.8

11.0 11.0 11.4 12.2 11.4

10.3 10.4 10.7 11.0 11.4

10.1 10.1 10.2 10.4 10.4

10.2 10.2 10.5 10.6 10.9

21 22 23 24 25

-----------

-----------

-----------

9.8 9.6 9.2 9.0 9.3

8.9 8.4 8.5 8.3 8.5

9.1 8.9 8.9 8.6 8.9

12.2 --12.9 12.8 12.8

11.1 ----11.5 11.3

11.6 ----12.2 11.8

12.1 12.4 12.3 11.8 12.3

10.4 10.6 10.5 10.9 11.0

11.1 11.3 11.0 11.3 11.4

26 27 28 29 30 31

-------------

-------------

-------------

9.2 9.1 9.8 9.8 10.2 ---

8.7 8.8 8.9 9.2 8.9 ---

8.8 8.9 9.2 9.4 9.5 ---

12.8 12.3 12.5 12.3 11.8 12.3

11.1 11.0 11.8 10.7 10.8 11.0

12.1 11.5 12.2 11.4 11.2 11.8

11.2 11.5 11.1 11.2 11.9 11.7

10.5 10.5 10.3 10.7 10.5 10.7

11.0 11.0 10.7 11.0 11.2 11.0

MONTH

---

---

---

---

---

---

---

---

---

12.4

9.7

10.7

DAY

MAX

MIN

MAX

MIN

MEAN

1 2 3 4 5

11.6 11.8 12.0 11.6 12.2

10.9 11.2 11.0 10.9 11.1

11.3 11.4 11.4 11.2 11.7

11.0 11.0 11.1 11.3 11.1

9.9 10.2 10.4 10.4 10.4

10.4 10.7 10.7 10.7 10.7

9.6 10.6 10.6 9.2 9.2

8.5 8.9 8.9 9.0 8.7

9.0 9.4 9.2 9.1 9.0

8.8 8.8 8.5 8.4 8.5

8.4 8.2 7.9 7.9 8.0

8.6 8.5 8.2 8.1 8.3

6 7 8 9 10

11.9 12.0 11.7 11.3 11.1

11.3 11.1 11.0 11.0 10.6

11.6 11.5 11.3 11.2 11.0

11.1 10.8 10.6 10.4 10.4

10.5 10.5 10.1 10.2 10.2

10.8 10.6 10.4 10.3 10.3

9.2 9.1 9.1 9.2 9.0

8.8 8.8 8.5 8.4 8.1

9.0 9.0 8.8 8.8 8.5

9.0 8.5 8.5 8.4 8.0

8.3 8.2 8.0 7.9 7.7

8.5 8.3 8.2 8.1 7.9

11 12 13 14 15

11.1 11.0 11.3 11.3 11.3

10.9 10.9 10.8 10.6 10.7

11.0 10.9 10.9 10.9 11.1

10.5 10.8 10.8 10.6 10.4

10.2 10.4 10.5 10.3 10.2

10.4 10.6 10.7 10.4 10.3

8.9 8.7 8.7 8.7 9.1

8.4 8.0 8.2 8.2 8.3

8.7 8.4 8.6 8.6 8.8

8.4 8.2 8.4 8.4 8.0

7.6 7.7 7.5 7.7 7.5

7.9 8.0 7.9 8.1 7.7

16 17 18 19 20

11.1 10.8 10.6 10.6 10.6

10.6 10.6 10.3 10.4 10.4

10.8 10.7 10.6 10.5 10.4

10.4 10.4 10.7 10.9 10.7

9.9 10.3 10.3 10.4 10.4

10.3 10.4 10.5 10.7 10.5

9.3 9.2 9.2 9.1 8.8

8.8 8.6 8.7 8.6 8.4

9.0 8.9 8.9 8.8 8.6

8.0 8.0 7.9 7.8 7.6

7.5 7.3 7.3 7.3 7.2

7.7 7.7 7.6 7.5 7.4

21 22 23 24 25

10.7 10.6 10.3 10.1 10.1

10.4 10.2 9.8 9.7 9.8

10.6 10.4 10.0 10.0 10.0

10.6 10.4 10.3 10.2 10.2

10.2 9.6 10.2 10.1 9.8

10.4 10.3 10.2 10.2 9.9

9.4 8.7 8.7 8.8 8.8

8.0 8.1 8.2 8.4 8.5

8.5 8.4 8.4 8.6 8.6

8.0 8.0 7.5 7.7 7.9

7.2 7.3 6.8 6.8 7.1

7.5 7.6 7.3 7.2 7.6

26 27 28 29 30 31

10.0 10.0 10.3 -------

9.8 9.6 10.0 -------

9.8 9.8 10.0 -------

10.1 10.0 10.0 10.2 10.8 10.2

9.6 9.4 9.4 9.4 9.9 8.7

9.8 9.8 9.8 9.9 10.3 9.3

8.7 8.9 8.8 9.0 8.8 ---

8.4 8.3 8.4 8.3 8.4 ---

8.6 8.6 8.6 8.7 8.6 ---

8.0 7.8 7.6 7.8 7.8 7.6

6.9 7.2 7.1 7.0 7.1 7.0

7.5 7.5 7.3 7.3 7.4 7.3

MONTH

12.2

9.6

10.8

11.3

8.7

10.3

10.6

8.0

8.8

9.0

6.8

7.8

Dissolved oxygen, water, unfiltered, milligrams per liter MEAN MAX MIN MEAN MAX MIN MEAN

FEBRUARY

MARCH

APRIL

MAY

222

SANTEE RIVER BASIN 02160991 BROAD RIVER NEAR JENKINSVILLE, SC--Continued Dissolved oxygen, water, unfiltered, milligrams per liter WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAY

MAX

1 2 3 4 5

7.5 7.6 7.4 7.7 7.6

6 7 8 9 10

MIN

MEAN

MAX

MEAN

MAX

MEAN

MAX

7.1 7.3 6.4 6.6 6.7

7.4 7.4 7.1 7.3 7.1

6.2 6.0 6.1 6.0 5.7

5.3 5.4 5.4 5.4 4.8

5.8 5.7 5.8 5.7 5.4

6.4 6.6 6.5 7.0 6.3

5.1 5.2 5.3 5.4 5.1

5.5 5.8 5.9 6.0 5.7

6.7 6.8 7.0 6.8 7.1

5.3 5.5 5.9 6.0 6.1

5.9 6.3 6.5 6.4 6.6

7.3 6.8 6.6 6.6 6.8

6.2 6.1 6.0 6.0 5.9

6.8 6.5 6.3 6.3 6.4

6.1 6.3 7.0 -----

4.9 5.0 4.9 -----

5.4 5.5 5.6 -----

5.9 6.0 6.3 6.2 6.3

4.9 5.0 5.2 5.0 5.0

5.4 5.4 5.5 5.4 5.6

7.3 7.2 7.1 7.4 7.3

6.5 6.5 6.5 6.5 6.6

6.8 6.8 6.7 6.8 6.9

11 12 13 14 15

6.7 6.8 6.6 7.3 7.6

6.1 6.4 6.2 6.1 6.1

6.4 6.6 6.4 6.6 6.8

--6.1 6.4 6.5 6.7

--5.4 5.2 5.3 5.3

--5.6 5.6 5.8 5.9

6.4 6.8 6.0 6.0 6.1

5.1 4.9 5.2 5.2 5.0

5.7 5.6 5.6 5.6 5.4

7.5 7.6 7.3 7.3 7.2

6.9 7.0 6.8 6.8 6.7

7.1 7.1 7.0 7.0 6.8

16 17 18 19 20

7.1 7.1 7.0 7.0 7.2

6.0 6.2 6.4 6.3 6.4

6.4 6.5 6.6 6.6 6.8

6.6 6.5 6.5 6.2 6.2

5.3 5.6 5.3 5.1 5.3

5.7 6.0 5.8 5.7 5.6

5.8 5.9 5.6 6.1 5.6

4.7 4.7 4.6 4.5 4.6

5.3 5.3 5.1 5.0 4.9

7.0 7.0 7.0 7.1 7.1

6.3 6.2 6.2 6.2 6.3

6.7 6.7 6.5 6.7 6.7

21 22 23 24 25

6.9 7.0 6.8 6.7 6.6

6.4 6.1 5.8 5.9 5.9

6.7 6.5 6.4 6.3 6.2

6.4 5.8 5.8 6.5 6.5

4.8 5.0 4.6 4.5 5.0

5.5 5.5 5.2 5.4 5.5

5.6 5.3 5.4 5.5 5.9

4.4 4.7 4.3 3.8 4.8

4.9 4.9 4.9 5.0 5.3

6.6 6.6 6.9 7.0 6.8

5.7 5.8 5.9 6.1 6.3

6.2 6.3 6.5 6.6 6.6

26 27 28 29 30 31

6.6 6.5 6.3 6.2 6.2 ---

6.0 6.0 5.4 5.6 5.4 ---

6.3 6.2 5.9 5.9 5.8 ---

6.2 5.8 6.0 6.3 6.4 6.3

4.0 4.6 4.8 5.1 5.1 4.9

5.2 5.2 5.5 5.5 5.5 5.3

6.3 6.2 6.3 5.8 5.9 6.8

5.1 5.0 4.7 4.8 5.0 5.2

5.5 5.4 5.4 5.3 5.5 5.8

6.7 6.6 6.8 6.7 7.0 ---

6.0 6.0 6.0 6.2 6.1 ---

6.3 6.3 6.4 6.4 6.7 ---

MONTH

7.7

5.4

6.5

---

---

---

7.0

3.8

5.4

7.6

5.3

6.6

JUNE

MIN JULY

MIN AUGUST

MIN

MEAN

SEPTEMBER

223

SANTEE RIVER BASIN 02161000 BROAD RIVER AT ALSTON, SC LOCATION.--Lat 34°14'35'', long 81°19'11'', Fairfield County, Hydrologic Unit 03050106, on left bank at Southern Railway Alston-Peak trestle, 1.2 mi downstream from Parr Shoals Dam, and at mile 200.2. DRAINAGE AREA.--4,790 mi2. PERIOD OF RECORD.--October 1896 to December 1907, October 1980 to current year. REVISED RECORDS.--WRD SC-82-1: 1982(M).

GAGE.--Data collection platform. Datum of gage is 211.91 ft above NGVD of 1929. Oct. 1, 1896 to Dec. 31, 1907, nonrecording gage at same site at different datum. REMARKS.--Records good except for estimated daily discharges, which are poor. Records for the 1897-1908 water years are poor. Regulation at low and medium flow by powerplants above station. Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

15600 6780 6540 7120 4940

3560 2730 2910 3630 12200

3830 4380 4370 4510 4390

5340 4700 4710 4200 4350

4830 4860 4930 5000 5010

13000 16000 5780 6410 6040

11300 13000 8300 9980 7270

4520 4300 4680 4670 3750

3510 23800 13600 13500 4460

11700 7800 5100 7040 6000

4780 5060 4590 3940 3410

2620 2660 2660 2620 2930

6 7 8 9 10

6480 4260 4070 3980 3970

11600 5190 7880 4320 4600

3630 3800 4890 5030 6670

4860 4860 4660 4670 4320

6030 5050 4970 5020 4860

5900 5980 5710 10100 6570

7210 7860 5360 10100 6390

4080 3710 3970 3570 2840

5460 4200 4310 4810 5390

5940 7780 19000 30700 25700

3640 3140 3400 4060 4830

1600 1410 1290 2380 2370

11 12 13 14 15

3790 3170 3990 4080 4040

4350 3510 4500 6280 7470

27600 25200 15400 9320 7660

3380 3830 4690 5260 14100

4820 4580 4490 2650 4300

4880 4760 4700 4760 4050

10100 5680 12600 10100 10700

3620 3860 3760 3100 3710

4310 4930 7630 4110 4440

15900 5890 3860 7280 10500

10100 6400 4920 4320 4080

1840 2130 1910 2100 1330

16 17 18 19 20

3890 3840 3850 2520 3160

3860 4290 3980 4340 4160

4860 5480 4560 5300 6640

7340 8060 4650 4760 6220

3940 3940 4970 3190 3290

5300 11200 10300 7220 5620

12300 5490 5480 6790 7310

4160 3400 3330 3860 4190

4040 4190 3750 3290 3800

13800 5040 5770 6260 6270

3920 2880 3210 4600 4120

1560 2540 2110 1830 1610

21 22 23 24 25

3970 3440 2810 3450 3690

3350 3750 5630 4580 4550

4420 4200 4690 5020 8250

3840 4570 4630 4700 4080

4020 10100 6260 9160 10400

4990 5270 5120 7700 11000

5970 4560 4490 3810 6000

4230 4410 6000 4100 3150

3220 3850 3900 3370 2620

4520 4520 4090 3430 4630

4040 3460 3360 3450 3450

1360 1570 2120 1720 1840

26 27 28 29 30 31

2740 3910 3050 2580 3620 3600

4840 e5180 e4830 e5370 4700 ---

15900 6560 4750 e5280 e5610 5260

3500 4080 4810 3780 3460 4850

5370 7610 8450 -------

6810 5660 17400 38600 37500 26300

5780 5300 4420 4550 4670 ---

3440 2710 3130 2990 3540 3170

2670 3460 4030 17400 11400 ---

4450 2840 4090 3660 4180 4300

2680 2930 2850 3130 3270 2500

2020 1610 1600 1220 1210 ---

136930 4417 15600 2520 0.92 1.06

152140 5071 12200 2730 1.06 1.18

227460 7337 27600 3630 1.53 1.77

155260 5008 14100 3380 1.05 1.21

152100 5432 10400 2650 1.13 1.18

310630 10020 38600 4050 2.09 2.41

222870 7429 13000 3810 1.55 1.73

117950 3805 6000 2710 0.79 0.92

183450 6115 23800 2620 1.28 1.42

252040 8130 30700 2840 1.70 1.96

124520 4017 10100 2500 0.84 0.97

57770 1926 2930 1210 0.40 0.45

3949 9319 1905 849 2002

5427 27730 1901 546 2002

3950 17100 1901 1042 1999

TOTAL MEAN MAX MIN CFSM IN.

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1897 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

4130 17360 1991 1059 2002

4432 14500 1993 1276 2002

6621 15680 1908 1894 2002

7795 18770 1906 2517 2001

10020 22650 1903 2537 2001

10650 25610 1903 3685 1981

8236 20430 1901 2864 1986

5529 14830 2003 1783 2001

5343 20820 1903 968 2002

224

SANTEE RIVER BASIN 02161000 BROAD RIVER AT ALSTON, SC--Continued SUMMARY STATISTICS

FOR 2004 CALENDAR YEAR

ANNUAL TOTAL ANNUAL MEAN HIGHEST ANNUAL MEAN LOWEST ANNUAL MEAN HIGHEST DAILY MEAN LOWEST DAILY MEAN ANNUAL SEVEN-DAY MINIMUM MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE ANNUAL RUNOFF (CFSM) ANNUAL RUNOFF (INCHES) 10 PERCENT EXCEEDS 50 PERCENT EXCEEDS 90 PERCENT EXCEEDS a

At datum then in use.

e

Estimated

FOR 2005 WATER YEAR

1883323 5146

2093120 5735

90500 846 1590

Sep 10 Aug 11 Aug 5

38600 1210 1600 47000 17.27 1.20 16.26 10100 4520 2700

1.07 14.63 8120 3620 2000

Mar Sep Sep Mar Mar

29 30 24 29 29

WATER YEARS 1897 - 2005 6302 11750 2153 130000 48 200 a 140000 a 29.02 1.32 17.87 12200 4190 1630

1903 2002 Jun 7 1903 Sep 12 2002 Aug 11 2002 Jun 7 1903 Jun 7 1903

100,000

DISCHARGE, IN CUBIC FEET PER SECOND

50,000

20,000

10,000

5000

2000

1000

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

225

SANTEE RIVER BASIN 02162093 SMITH BRANCH AT NORTH MAIN STREET AT COLUMBIA, SC

LOCATION.--Lat 34°01'38'', long 81°02'31'', Richland County, Hydrologic Unit 03050106, on left bank, 15 ft upstream from culvert opening at North Main Street in Columbia. DRAINAGE AREA.--5.67 mi2. PERIOD OF RECORD.--October 1976 to current year. GAGE.--Water-stage recorder. Datum of gage is 199.10 ft above NGVD of 1929. REMARKS.--No estimated daily discharges. Records fair. Discharge, cubic feet per second WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

3.7 3.3 4.2 3.0 2.8

2.5 2.7 2.8 7.4 2.4

3.0 2.3 2.2 2.1 2.1

1.9 1.9 2.0 2.1 2.2

2.9 2.5 20 19 4.1

9.7 5.6 4.7 4.1 3.9

15 7.1 5.5 5.0 4.9

3.7 3.5 3.6 3.5 3.4

20 19 29 4.6 3.3

12 3.0 5.7 3.0 2.4

13 6.4 4.7 4.4 3.9

2.1 2.1 2.0 2.0 1.9

6 7 8 9 10

2.8 2.7 2.6 2.6 2.6

2.1 2.3 2.3 2.3 2.7

3.9 2.0 2.1 2.3 13

2.1 2.1 2.3 2.1 2.1

3.4 3.2 3.1 2.9 19

3.8 4.2 24 6.9 3.8

4.7 16 36 9.6 5.9

3.5 3.3 3.1 3.2 11

2.9 50 6.6 11 4.2

2.2 2.1 2.3 2.3 2.8

3.7 3.3 8.3 3.8 11

1.9 1.9 1.9 2.0 1.9

11 12 13 14 15

2.5 2.6 2.6 2.5 4.2

2.6 19 2.6 2.1 2.1

2.1 2.0 2.1 2.3 2.0

2.1 2.3 2.3 64 7.8

3.6 3.1 2.9 2.8 9.2

3.4 3.5 3.4 3.4 3.2

5.4 17 15 5.7 5.0

4.0 3.5 3.6 3.3 3.3

3.1 2.8 5.2 2.7 2.6

2.8 2.3 13 29 33

3.2 2.8 17 24 3.4

2.1 2.2 2.0 2.0 2.1

16 17 18 19 20

2.3 2.4 2.8 2.6 2.5

2.1 2.1 2.1 2.1 2.2

2.2 2.3 2.3 2.3 2.3

2.9 2.5 2.3 2.2 2.3

3.0 2.8 2.7 2.6 2.5

13 27 5.4 4.3 3.9

4.7 4.6 4.5 4.4 4.1

3.6 3.4 4.2 11 68

2.6 2.5 2.3 2.3 2.3

16 17 19 83 26

2.6 6.0 3.1 2.4 2.3

2.2 2.2 2.2 2.4 2.5

21 22 23 24 25

2.5 2.5 2.4 7.3 2.2

2.7 3.0 22 6.0 3.1

2.3 2.5 5.1 1.9 1.9

2.2 2.1 2.1 2.1 2.1

3.9 26 4.2 29 14

3.8 3.9 29 7.4 4.5

4.1 10 12 3.9 3.7

4.8 2.9 2.7 2.5 2.4

2.4 2.3 2.3 2.3 2.4

5.3 26 5.2 3.1 2.7

8.1 9.1 2.9 2.3 2.2

2.8 2.3 2.4 2.1 2.2

26 27 28 29 30 31

2.1 2.2 2.3 2.3 2.3 2.3

2.7 14 4.7 2.4 2.6 ---

16 2.4 2.0 2.0 1.9 1.9

2.2 2.3 2.1 2.1 22 3.8

4.9 4.0 46 -------

4.1 33 86 17 7.6 14

3.8 3.9 3.6 3.6 10 ---

2.4 2.4 2.4 2.3 19 2.9

14 2.3 27 4.6 2.5 ---

2.6 2.5 17 3.4 147 81

2.1 2.1 2.1 2.1 13 2.3

2.4 2.2 2.1 2.2 2.2 ---

TOTAL MEAN MAX MIN CFSM IN.

87.7 2.83 7.3 2.1 0.50 0.58

131.7 4.39 22 2.1 0.77 0.86

96.8 3.12 16 1.9 0.55 0.64

156.6 5.05 64 1.9 0.89 1.03

247.3 8.83 46 2.5 1.56 1.62

351.5 11.3 86 3.2 2.00 2.31

238.7 7.96 36 3.6 1.40 1.57

196.4 6.34 68 2.3 1.12 1.29

241.1 8.04 50 2.3 1.42 1.58

574.7 18.5 147 2.1 3.27 3.77

177.6 5.73 24 2.1 1.01 1.17

64.5 2.15 2.8 1.9 0.38 0.42

9.71 34.3 1995 2.11 1990

10.0 31.3 1991 3.17 1993

8.88 24.5 1986 1.46 1983

8.45 19.8 2004 1.31 1985

STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 1977 - 2005, BY WATER YEAR (WY) MEAN MAX (WY) MIN (WY)

6.79 25.7 1991 1.45 2002

6.67 16.0 1987 2.09 2002

8.06 25.5 1977 2.62 1989

11.7 27.6 1987 2.79 1986

11.6 24.4 1998 3.64 1986

13.4 29.9 1980 3.58 1985

9.12 28.0 1998 1.94 1986

7.22 21.0 1991 3.26 1977

226

SANTEE RIVER BASIN 02162093 SMITH BRANCH AT NORTH MAIN STREET AT COLUMBIA, SC--Continued SUMMARY STATISTICS

FOR 2004 CALENDAR YEAR

ANNUAL TOTAL ANNUAL MEAN HIGHEST ANNUAL MEAN LOWEST ANNUAL MEAN HIGHEST DAILY MEAN LOWEST DAILY MEAN ANNUAL SEVEN-DAY MINIMUM MAXIMUM PEAK FLOW MAXIMUM PEAK STAGE ANNUAL RUNOFF (CFSM) ANNUAL RUNOFF (INCHES) 10 PERCENT EXCEEDS 50 PERCENT EXCEEDS 90 PERCENT EXCEEDS a

FOR 2005 WATER YEAR

3167.7 8.65 266 1.2 1.8

WATER YEARS 1977 - 2005

2564.6 7.03 Sep 7 Jun 11 May 16

147 1.9 a 1.9 1650 9.73 1.24 16.83 17 2.9 2.1

1.53 20.78 15 2.6 1.9

Jul Dec Sep Jul Jul

9.29 14.8 5.42 335 0.74 0.83 2180 11.91 1.64 22.27 19 3.6 1.7

30 24 4 30 30

Jun Oct Oct Jun Jun

11 15 15 27 27

1991 2002 1995 2001 2001 2004 2004

Also occurred Dec. 25, 30, 31, several days in September. 1000

500

DISCHARGE, IN CUBIC FEET PER SECOND

200

100

50

20

10

5

2

1

O

N 2004

D

J

F

M

A

M 2005

J

J

A

S

227

SANTEE RIVER BASIN 02162100 BROAD RIVER DIVERSION DAM AT COLUMBIA, SC

LOCATION.--Lat 34°02'00'', long 81°04'09'', Richland County, Hydrologic Unit 03050106, at Diversion Dam, 1.7 mi above confluence of Broad and Saluda Rivers, 3.0 mi northwest of Columbia, and at mile 177. DRAINAGE AREA.--Indeterminate. PERIOD OF RECORD.--October 1986 to current year. Records for October 1981 to September 1986 are in files of the U.S. Geological Survey. GAGE.--Water-stage recorder. Datum of gage is 100.00 ft above NGVD of 1929. Prior to Oct. 1, 1987, at datum 43.02 ft higher. REMARKS.--Flow is regulated by Parr Shoals Reservoir (see sta. 02160990) and by gates at this station. EXTREMES FOR PERIOD OF RECORD.--Maximum gage height, 62.66 ft, Oct. 15, 1990; minimum gage height, 46.97 ft, Sep. 22, 1999. EXTREMES FOR CURRENT YEAR.--Maximum gage height, 58.52 ft, Mar. 29; minimum gage height, 51.19 ft, Nov. 3. Gage height, feet WATER YEAR OCTOBER 2004 TO SEPTEMBER 2005 DAILY MEAN VALUES DAY

OCT

NOV

DEC

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

1 2 3 4 5

55.84 54.54 54.48 54.79 54.06

53.69 53.38 52.75 53.31 54.64

53.95 54.15 54.15 54.20 54.20

54.19 53.95 53.94 53.85 53.64

53.96 53.92 54.09 54.17 54.11

55.23 56.15 54.27 54.22 54.36

55.40 55.42 55.00 54.96 54.31

54.02 53.93 54.03 54.04 53.84

53.64 55.53 55.97 55.74 54.34

55.30 54.70 54.46 54.39 54.48

54.20 54.12 54.17 54.07 53.92

--53.58 53.86 53.93 53.90

6 7 8 9 10

54.57 54.11 54.05 53.87 53.91

55.30 54.49 54.64 54.16 54.19

53.84 53.91 54.09 54.30 54.31

53.98 53.98 53.93 53.91 53.88

--54.04 54.09 54.06 54.09

54.08 54.30 54.34 54.67 54.73

54.40 54.43 54.39 54.58 54.66

53.79 53.84 53.78 53.88 53.34

54.28 54.32 54.08 54.26 54.24

54.30 54.48 55.49 57.21 56.93

53.98 53.93 53.80 54.01 54.16

53.62 52.90 53.38 53.46 53.87

11 12 13 14 15

53.95 53.61 53.77 53.93 53.89

54.02 53.86 53.84 54.25 54.87

56.63 57.12 55.73 55.03 54.83

53.34 53.62 53.94 54.09 55.20

54.06 53.98 53.96 53.16 53.89

54.05 54.04 54.08 54.07 53.94

54.69 54.50 55.62 55.12 55.09

53.67 53.89 53.82 53.53 53.74

54.28 54.08 --53.86 54.05

55.95 54.32 54.17 54.01 ---

54.66 54.27 54.29 54.10 53.96

53.63 53.70 53.87 53.77 53.55

16 17 18 19 20

53.82 53.82 53.91 53.48 53.22

54.03 53.98 53.83 54.09 53.98

53.92 54.06 53.83 53.90 54.43

54.81 54.66 53.96 53.98 54.23

53.71 53.67 54.07 53.59 53.54

54.11 54.84 55.25 54.56 54.24

55.18 54.42 54.08 54.27 54.68

54.00 53.77 53.52 53.87 53.97

54.12 54.08 53.92 53.87 53.88

--54.02 54.12 54.38 54.19

53.93 53.90 53.82 54.07 54.04

53.25 53.74 53.87 53.69 53.64

21 22 23 24 25

53.96 53.86 53.44 53.68 54.01

53.70 53.81 54.45 54.15 54.22

53.69 53.79 53.90 53.99 54.43

53.72 53.80 53.95 54.04 53.84

53.66 54.57 54.82 54.95 55.31

54.13 54.13 54.25 54.17 55.24

54.30 54.00 53.92 53.73 54.12

53.90 53.94 54.11 54.19 53.78

53.62 53.97 54.00 53.87 53.41

54.29 53.96 54.07 53.73 53.97

53.98 54.08 53.97 53.71 53.96

53.07 53.02 53.52 53.61 53.26

26 27 28 29 30 31

52.93 54.02 53.42 53.13 53.82 53.76

54.21 54.38 54.15 54.24 54.31 ---

55.58 54.67 53.53 54.03 54.24 53.97

53.77 53.76 53.98 53.61 53.37 54.05

54.21 54.17 55.07 -------

54.50 54.34 55.68 58.01 57.99 57.16

54.07 --54.06 53.92 54.03 ---

53.65 53.50 53.59 53.62 53.72 53.75