USGS Water-Year Summary 2023
02175000 EDISTO RIVER NEAR GIVHANS, SC
LOCATION - Lat 33°01'40", long 80°23'30" referenced to North American Datum of 1927, Dorchester County, SC, Hydrologic Unit 03050206, on downstream side of bridge on State Highway 61, 2.3 mi downstream from Four Hole Swamp, 2.8 mi west of Givhans, and at mile 59.9.
DRAINAGE AREA - 2,730 mi².
REVISIONS HISTORY -
WSP 1032: Drainage area. WSP 1303: 1939 (monthly and yearly runoff).
Gage datum was revised on October 13, 2020, based on an error in the determination of the gage datum.
SURFACE-WATER RECORDS
PERIOD OF RECORD - January 1939 to current year.
GAGE - Data collection platform. Datum of gage is 19.66 ft above NAVD of 1988.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum stage known since at least 1904, 17.5 ft in February 1925, from investigation by Charleston Commissioners of Public Works, discharge, 24,900 ft³/s.
EXTREMES FOR PERIOD OF RECORD - Lowest daily mean for period of record also occurred August 18, 2002.
Maximum Discharge: 26600 ft³/s; October 8, 2015
Maximum Gage Height: 16.06 ft; October 8, 2015
Minimum Discharge: 147 ft³/s; August 17, 2002
Minimum Gage height: 0.56 ft; August 17, 2002