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Water-Year Summary for Site 02175000

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
  • For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
  • For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
  • Not all sites have reports available for every water year.
Available Parameters
00060 Discharge(Max.,Min.,Mean)  
00065 Gage height(Max.,Min.,Mean)  

Water year 2020: 2019-10-01 to 2020-09-30

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USGS Water-Year Summary 2020
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.

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.
PERIOD OF RECORD - January 1939 to current year.
GAGE - Data collection platform. Datum of gage is 19.66 ft above NAVD of 1988.
For 2014 water year, records good.
For 2015 water year, records good. 
For 2016 water year, records good. 
For 2017 water year, records good. 
For 2018 water year, records good.
For 2019 water year, records good.
For 2020 water year, records good to fair.
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