1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02173351 BULL SWAMP CREEK BELOW SWANSEA, SC SOURCE AGENCY USGS STATE 45 COUNTY 063 LATITUDE 334326 LONGITUDE 0810559 NAD83 DRAINAGE AREA 34.4* CONTRIBUTING DRAINAGE AREA DATUM 285 NGVD29 Date Processed: 2005-04-11 11:58 By mishealy APPROVED DD #4, PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 2000 TO SEPTEMBER 2001 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 --- --- --- --- --- 8.7 13 6.3 6.8 7.7 7.2 11 2 --- --- --- --- --- 9.1 11 7.6 7.1 7.0 6.4 9.9 3 --- --- --- --- --- 18 12 7.3 7.0 14 6.1 8.9 4 --- --- --- --- --- e61 11 7.0 6.8 19 6.2 7.4 5 --- --- --- --- --- 21 9.9 6.7 6.1 10 7.0 6.8 6 --- --- --- --- 11 15 9.6 6.4 6.6 7.7 6.1 6.2 7 --- --- --- --- 11 12 9.6 6.8 6.5 6.8 5.8 5.7 8 --- --- --- --- 10 10 10 7.1 6.5 6.7 5.8 5.3 9 --- --- --- --- 9.6 10 9.9 6.5 15 7.4 6.1 5.3 10 --- --- --- --- 9.7 11 9.1 6.3 14 6.7 6.7 5.4 11 --- --- --- --- 9.5 9.9 10 6.2 8.6 12 6.4 5.4 12 --- --- --- --- 12 9.8 12 6.6 8.5 13 5.9 5.4 13 --- --- --- --- 13 11 8.9 7.9 e80 8.8 5.8 5.4 14 --- --- --- --- 11 9.4 8.4 6.8 e21 7.5 7.9 5.3 15 --- --- --- --- 11 e28 8.4 6.2 10 6.9 7.8 5.2 16 --- --- --- --- 11 24 8.1 5.9 8.1 6.6 7.1 5.9 17 --- --- --- --- 11 15 7.2 5.8 7.3 6.4 6.6 5.6 18 --- --- --- --- 11 12 6.6 5.9 6.3 6.3 8.0 5.0 19 --- --- --- --- 11 11 8.4 5.8 6.0 6.2 12 4.8 20 --- --- --- --- 11 21 8.0 5.9 5.9 8.2 10 8.5 21 --- --- --- --- 15 22 8.1 6.9 6.0 8.2 7.7 13 22 --- --- --- --- e29 15 10 6.8 8.8 7.0 6.5 8.2 23 --- --- --- --- 22 12 8.4 7.9 10 7.0 5.9 9.6 24 --- --- --- --- 13 11 7.1 6.7 9.3 7.3 5.4 9.2 25 --- --- --- --- 11 9.8 8.6 6.1 7.5 7.1 5.2 8.6 26 --- --- --- --- 11 10 8.2 5.9 7.4 7.7 5.2 6.6 27 --- --- --- --- 9.6 11 8.1 5.7 7.2 7.9 5.5 6.1 28 --- --- --- --- 9.1 8.9 8.0 5.6 e16 11 6.1 5.8 29 --- --- --- --- --- 20 6.7 19 e25 9.2 5.6 5.5 30 --- --- --- --- --- 31 6.3 12 9.6 8.8 5.4 5.3 31 --- --- --- --- --- 14 --- 7.9 --- 8.3 5.4 --- TOTAL --- --- --- --- --- 491.6 270.6 221.5 350.9 264.4 204.8 206.3 MEAN --- --- --- --- --- 15.9 9.02 7.15 11.7 8.53 6.61 6.88 MAX --- --- --- --- -- 61 13 19 80 19 12 13 MIN --- --- --- --- -- 8.7 6.3 5.6 5.9 6.2 5.2 4.8 CFSM --- --- --- --- --- 0.46 0.26 0.21 0.34 0.25 0.19 0.20 IN. --- --- --- --- --- 0.53 0.29 0.24 0.38 0.29 0.22 0.22 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 2001 - 2001, BY WATER YEAR (WY) MEAN --- --- --- --- --- 15.9 9.02 7.15 11.7 8.53 6.61 6.88 MAX --- --- --- --- --- 15.9 9.02 7.15 11.7 8.53 6.61 6.88 (WY) --- --- --- --- --- 2001 2001 2001 2001 2001 2001 2001 MIN --- --- --- --- --- 15.9 9.02 7.15 11.7 8.53 6.61 6.88 (WY) --- --- --- --- --- 2001 2001 2001 2001 2001 2001 2001 e Estimated 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02173351 BULL SWAMP CREEK BELOW SWANSEA, SC SOURCE AGENCY USGS STATE 45 COUNTY 063 LATITUDE 334326 LONGITUDE 0810559 NAD83 DRAINAGE AREA 34.4* CONTRIBUTING DRAINAGE AREA DATUM 285 NGVD29 Date Processed: 2005-04-11 11:58 By mishealy APPROVED DD #4, PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 2001 TO SEPTEMBER 2002 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 5.8 5.3 6.4 6.4 5.5 4.4 5.9 9.5 3.9 3.4 3.9 7.9 2 5.2 5.4 6.2 6.6 5.6 9.2 5.3 13 3.6 3.5 4.3 6.2 3 5.3 5.6 6.1 7.8 9.9 13 5.1 7.1 3.7 5.6 3.7 5.1 4 5.2 5.6 7.2 7.7 6.8 9.2 5.1 6.5 3.7 4.1 3.4 4.4 5 5.2 5.5 7.4 7.4 4.8 7.4 5.1 7.3 3.7 3.6 3.3 4.1 6 10 5.4 6.7 9.8 6.6 5.9 5.0 6.3 3.5 4.1 3.3 3.9 7 9.7 5.3 6.1 11 16 6.0 4.9 5.4 3.7 4.5 3.3 3.9 8 5.7 5.3 5.7 10 13 5.3 4.8 5.2 3.3 3.6 3.2 3.9 9 4.8 5.3 5.5 9.1 16 4.9 5.0 4.8 3.3 3.6 3.2 3.7 10 4.7 5.4 5.8 7.9 13 4.9 6.4 4.7 3.3 3.7 3.2 3.5 11 4.7 5.5 7.8 6.8 4.0 5.2 6.7 4.8 3.2 3.6 3.1 3.4 12 4.7 5.5 7.8 7.0 3.6 3.8 8.2 5.0 3.2 3.4 3.1 3.5 13 4.8 5.3 7.4 11 3.4 6.2 11 4.9 3.2 3.4 3.1 3.5 14 5.2 5.9 8.6 9.5 3.3 5.9 8.1 4.7 3.2 3.4 3.2 4.3 15 5.5 5.6 7.4 7.8 3.2 5.3 6.7 4.6 3.2 3.3 3.2 10 16 4.9 5.4 6.4 7.3 3.8 4.9 6.5 4.4 3.2 3.2 3.9 10 17 4.6 5.3 6.1 7.1 4.3 5.9 5.8 4.4 3.2 3.2 36 7.0 18 4.5 8.8 6.9 6.4 4.5 5.1 5.8 5.6 3.2 3.2 35 16 19 4.7 8.8 6.5 8.2 5.2 4.9 6.7 6.3 3.2 3.2 13 6.3 20 4.8 8.4 6.3 9.0 4.9 4.9 6.3 5.2 3.1 3.2 6.9 6.3 21 5.4 9.6 6.7 7.8 5.0 9.2 5.6 4.5 3.2 3.2 3.4 6.5 22 5.5 13 6.7 7.0 4.6 7.5 5.4 4.3 3.4 3.3 3.2 5.4 23 5.1 13 6.3 7.3 3.6 5.7 5.3 4.0 3.4 3.3 3.2 4.8 24 4.9 14 6.0 7.5 3.3 5.4 5.3 4.0 3.5 7.1 3.3 4.5 25 5.0 11 5.7 7.2 3.3 6.2 5.5 4.1 3.6 11 4.3 4.7 26 4.6 12 5.5 7.8 3.4 6.2 5.4 4.0 4.0 5.7 5.6 5.4 27 4.6 12 5.4 6.4 3.3 7.1 5.3 4.0 4.9 4.4 5.0 5.7 28 5.1 8.4 5.5 6.2 3.8 5.4 5.2 4.3 4.6 3.8 20 5.3 29 5.1 6.7 6.1 5.8 --- 5.5 4.8 5.9 3.6 3.5 9.4 4.8 30 5.1 6.4 6.1 5.8 --- 6.3 4.0 5.0 3.3 3.3 8.6 4.5 31 5.2 --- 5.8 5.5 --- 6.1 --- 4.3 --- 3.3 9.4 --- TOTAL 165.6 224.7 200.1 238.1 167.7 192.9 176.2 168.1 105.1 124.7 220.7 168.5 MEAN 5.34 7.49 6.45 7.68 5.99 6.22 5.87 5.42 3.50 4.02 7.12 5.62 MAX 10 14 8.6 11 16 13 11 13 4.9 11 36 16 MIN 4.5 5.3 5.4 5.5 3.2 3.8 4.0 4.0 3.1 3.2 3.1 3.4 CFSM 0.16 0.22 0.19 0.22 0.17 0.18 0.17 0.16 0.10 0.12 0.21 0.16 IN. 0.18 0.24 0.22 0.26 0.18 0.21 0.19 0.18 0.11 0.13 0.24 0.18 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 2001 - 2002, BY WATER YEAR (WY) MEAN 5.34 7.49 6.45 7.68 5.99 11.0 7.45 6.28 7.60 6.28 6.86 6.25 MAX 5.34 7.49 6.45 7.68 5.99 15.9 9.02 7.15 11.7 8.53 7.12 6.88 (WY) 2002 2002 2002 2002 2002 2001 2001 2001 2001 2001 2002 2001 MIN 5.34 7.49 6.45 7.68 5.99 6.22 5.87 5.42 3.50 4.02 6.61 5.62 (WY) 2002 2002 2002 2002 2002 2002 2002 2002 2002 2002 2001 2002 SUMMARY STATISTICS FOR 2002 WATER YEAR WATER YEARS 2001 - 2002 ANNUAL TOTAL 2152.4 ANNUAL MEAN 5.90 5.90 HIGHEST ANNUAL MEAN 5.90 2002 LOWEST ANNUAL MEAN 5.90 2002 HIGHEST DAILY MEAN 36 Aug 17 80 Jun 13 2001 LOWEST DAILY MEAN 3.1 Jun 20 3.1 Jun 20 2002 ANNUAL SEVEN-DAY MINIMUM 3.2 Aug 8 3.2 Aug 8 2002 MAXIMUM PEAK FLOW 93 Aug 17 93 Aug 17 2002 MAXIMUM PEAK STAGE 4.85 Aug 17 4.85 Aug 17 2002 ANNUAL RUNOFF (CFSM) 0.171 0.171 ANNUAL RUNOFF (INCHES) 2.33 2.33 10 PERCENT EXCEEDS 9.1 9.1 50 PERCENT EXCEEDS 5.3 5.3 90 PERCENT EXCEEDS 3.3 3.3 1 U.S. DEPARTMENT OF THE INTERIOR - U.S. GEOLOGICAL SURVEY - WATER RESOURCES STATION NUMBER 02173351 BULL SWAMP CREEK BELOW SWANSEA, SC SOURCE AGENCY USGS STATE 45 COUNTY 063 LATITUDE 334326 LONGITUDE 0810559 NAD83 DRAINAGE AREA 34.4* CONTRIBUTING DRAINAGE AREA DATUM 285 NGVD29 Date Processed: 2005-04-11 11:58 By mishealy APPROVED DD #4, PUBLISHED Discharge, cubic feet per second WATER YEAR OCTOBER 2002 TO SEPTEMBER 2003 DAILY MEAN VALUES DAY OCT NOV DEC JAN FEB MAR APR MAY JUN JUL AUG SEP 1 4.3 9.2 7.1 7.2 15 13 10 9.4 7.6 8.8 8.9 9.1 2 4.2 11 7.2 6.9 9.5 16 11 9.4 7.0 24 9.3 14 3 3.8 9.9 6.6 6.7 7.1 11 9.5 10 8.4 15 9.7 14 4 3.6 7.2 6.1 6.6 6.8 11 9.1 10 11 12 8.8 12 5 3.7 6.9 6.5 6.4 6.4 10 10 11 9.9 16 8.4 13 6 3.6 7.0 7.1 6.3 6.9 11 11 31 12 11 9.8 11 7 3.6 6.7 7.0 6.1 10 14 35 29 19 10 17 11 8 3.8 8.9 6.7 5.5 7.9 e16 32 22 22 9.3 15 14 9 3.9 8.0 6.5 3.1 6.4 e14 44 16 16 7.5 14 12 10 5.3 7.2 e7.0 2.9 10 e14 64 10 12 6.9 13 10 11 9.6 10 e8.0 2.8 8.5 e13 43 8.6 9.1 7.0 11 9.1 12 6.7 14 e8.0 e2.9 7.0 10 29 7.9 8.3 6.6 9.3 8.4 13 6.3 13 16 2.9 6.3 12 17 7.2 8.3 26 8.5 8.0 14 14 11 16 3.1 6.8 11 14 8.2 9.0 62 8.2 7.8 15 13 9.2 12 3.3 6.7 35 13 8.5 10 28 7.3 7.2 16 20 10 9.6 e2.8 18 33 13 15 12 15 13 7.0 17 8.6 12 7.7 3.4 25 25 12 16 14 12 22 7.0 18 6.4 12 6.9 2.9 13 39 17 13 18 12 15 7.0 19 10 11 7.0 2.9 14 22 29 16 22 12 12 6.7 20 8.6 12 9.9 3.0 10 54 20 15 15 11 9.8 6.2 21 7.8 13 9.7 4.8 12 43 21 12 12 10 8.8 5.4 22 5.9 11 8.9 11 27 26 37 22 9.1 12 8.1 6.3 23 5.5 8.0 8.3 7.8 21 16 21 44 7.7 19 22 8.2 24 5.9 7.8 25 5.8 12 14 14 28 6.8 17 27 7.2 25 5.2 6.5 23 6.0 9.0 12 23 16 6.3 15 13 7.0 26 5.0 5.9 17 6.3 11 13 23 12 6.0 11 9.9 6.7 27 4.7 5.5 12 6.8 13 13 18 11 6.0 9.7 8.7 6.8 28 5.5 5.1 9.9 6.3 11 11 14 9.7 6.7 9.1 8.1 6.8 29 11 5.5 8.9 6.1 --- 12 12 9.0 7.8 8.3 7.7 6.5 30 13 5.7 7.7 20 --- 12 10 8.5 8.0 8.1 7.3 6.3 31 9.9 --- 7.4 16 --- 11 --- 8.0 --- 8.9 7.5 --- TOTAL 222.4 270.2 306.7 184.6 317.3 567 635.6 453.4 327.0 440.2 358.1 261.7 MEAN 7.17 9.01 9.89 5.95 11.3 18.3 21.2 14.6 10.9 14.2 11.6 8.72 MAX 20 14 25 20 27 54 64 44 22 62 27 14 MIN 3.6 5.1 6.1 2.8 6.3 10 9.1 7.2 6.0 6.6 7.3 5.4 CFSM 0.21 0.26 0.29 0.17 0.33 0.53 0.62 0.43 0.32 0.41 0.34 0.25 IN. 0.24 0.29 0.33 0.20 0.34 0.61 0.69 0.49 0.35 0.48 0.39 0.28 STATISTICS OF MONTHLY MEAN DATA FOR WATER YEARS 2001 - 2003, BY WATER YEAR (WY) MEAN 6.26 8.25 8.17 6.82 8.66 13.5 12.0 9.06 8.70 8.92 8.43 7.07 MAX 7.17 9.01 9.89 7.68 11.3 18.3 21.2 14.6 11.7 14.2 11.6 8.72 (WY) 2003 2003 2003 2002 2003 2003 2003 2003 2001 2003 2003 2003 MIN 5.34 7.49 6.45 5.95 5.99 6.22 5.87 5.42 3.50 4.02 6.61 5.62 (WY) 2002 2002 2002 2003 2002 2002 2002 2002 2002 2002 2001 2002 SUMMARY STATISTICS FOR 2002 CALENDAR YEAR FOR 2003 WATER YEAR WATER YEARS 2001 - 2003 ANNUAL TOTAL 2361.3 4344.2 ANNUAL MEAN 6.47 11.9 8.90 HIGHEST ANNUAL MEAN 11.9 2003 LOWEST ANNUAL MEAN 5.90 2002 HIGHEST DAILY MEAN 36 Aug 17 64 Apr 10 80 Jun 13 2001 LOWEST DAILY MEAN 3.1 Jun 20 2.8 Jan 11 2.8 Jan 11 2003 ANNUAL SEVEN-DAY MINIMUM 3.2 Aug 8 3.0 Jan 10 3.0 Jan 10 2003 MAXIMUM PEAK FLOW 84 Jul 13 93 Aug 17 2002 MAXIMUM PEAK STAGE 4.43 Jul 14 4.85 Aug 17 2002 ANNUAL RUNOFF (CFSM) 0.188 0.346 0.259 ANNUAL RUNOFF (INCHES) 2.55 4.70 3.52 10 PERCENT EXCEEDS 11 22 15 50 PERCENT EXCEEDS 5.4 9.8 6.8 90 PERCENT EXCEEDS 3.3 5.9 3.5 e Estimated