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Water-Year Summary for Site 02173000

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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.
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  • Not all sites have reports available for every water year.
Available Parameters
00045 Precipitation(Sum)  
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
02173000 SOUTH FORK EDISTO RIVER NEAR DENMARK, SC
LOCATION - Lat 33°23'35", long 81°08'00" referenced to North American Datum of 1927, Bamberg County, SC, Hydrologic Unit 03050204, on left bank at downstream side of bridge on U.S. Highway 321, 360 ft downstream from Seaboard Coast Line Railroad Bridge, 1.8 mi downstream from Little River, 4.8 mi north of Denmark, and at mile 136.6.
DRAINAGE AREA - 720 mi².
REVISIONS HISTORY -

Discharge for the period Oct. 2, 2015, to Dec. 12, 2017, was revised on May 22, 2018, based on changes to the stage-discharge rating.

Gage datum was revised on October 19, 2020, based on an error in the determination of the gage datum.

SURFACE-WATER RECORDS
PERIOD OF RECORD - August 1931 to September 1971, October 1972 to September 1978 operated as partial records site, October 1980 to current year.
GAGE - Data collection platform. Datum of gage is 154.64 ft above NAVD of 1988. Prior to Oct. 27, 1931, nonrecording gage at same site and datum.
REMARKS -
For the 2014 water year, records fair except for estimated daily discharges, which are poor.
For the 2015 water year, records fair.
For the 2016 water year, records good.
For the 2017 water year, records good.
For the 2018 water year, records poor.
For the 2019 water year, records fair to poor.
For the 2020 water year, records fair to poor except for estimated daily discharges, which are poor.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum flood known since at least 1893, 11.7 ft in October 1929, on basis of information from State Highway Department (discharge, 17,100 ft³/s by conveyance-slope study).
EXTREMES FOR PERIOD OF RECORD -

The maximum peak flow for the period of record is from rating curve extended above 7,100 cfs on basis of velocity-area studies.

Maximum discharge, 13,500 cfs, April 11, 1936. Maximum gage height, 10.91 ft, April 11, 1936. Minimum daily mean discharge, 110 cfs, August 14, 2002. 

CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - February 2015 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.