USGS Water-Year Summary for Site 02201000

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	Available Parameters
	00010 Temperature, water(Max.,Min.,Mean)
	00060 Discharge(Mean)
	00065 Gage height(Max.,Min.,Mean)

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

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USGS Water-Year Summary 2020

02201000 WILLIAMSON SWAMP CREEK AT DAVISBORO, GA

LOCATION - Lat 32°58'32.4", long 82°36'35.3" referenced to North American Datum of 1983, Washington County, GA, Hydrologic Unit 03060201, on downstream side of bridge on GA 231 at Davisboro, 1.2 miles downstream from Central of Georgia Railroad bridge, and 1.9 miles downstream from Sun Hill Creek.

DRAINAGE AREA - 109 mi².

SURFACE-WATER RECORDS

PERIOD OF RECORD -
DISCHARGE: July to December 1903, water years 1979-80 (annual maximum), May 1980 to current year. Monthly discharges only for July to December 1903, published in WSP 1304.
GAGE HEIGHT: Water years 1979-80 (annual maximum), October 1992 to current year.

GAGE - Satellite telemetry with a water-stage recorder. Datum of gage is 263 feet above National Geodetic Vertical Datum (NGVD) of 1929 (from information obtained from Georgia Department of Transportation). From August 16, 1978 to May 8, 1980, a crest-stage gage located at same site and datum.

COOPERATION - Georgia Department of Natural Resources, Environmental Protection Division.

REMARKS -
For period: 10/01/2014-03/08/2018: Discharge records fair. Gage height records good.
For period: 03/08/2018-03/18/2019: Discharge records poor. Gage height records fair.
For period: 03/18/2019-08/28/2019: Discharge records fair. Gage height records good.
For period: 08/28/2019-12/09/2019: Discharge records good. Gage height records good.

Periods of monthly discharges only are not included in statistics computations.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge recorded, 5,430 cfs, March 9, 1998; maximum gage-height recorded, 12.38 feet, March 9, 1998; minimum daily discharge, 5.1 cfs, September 19, 2011.

WATER-QUALITY RECORDS

PERIOD OF DAILY RECORD -
WATER TEMPERATURE: January 2016 to current year.

INSTRUMENTATION - Satellite telemetry with a water temperature thermistor.

EXTREMES FOR PERIOD OF DAILY RECORD -
WATER TEMPERATURE: Maximum recorded, 28.1°C, July 8, 2016; minimum recorded, 1.5°C, January 7-8, 2018.