USGS Water-Year Summary 2020
02198000 BRIER CREEK AT MILLHAVEN, GA
LOCATION - Lat 32°56'00.0", long 81°39'02.4" referenced to North American Datum of 1983, Screven County, GA, Hydrologic Unit 03060108, near right bank on downstream side of pier of Girard-Millhaven Road, 8.5 mi upstream from Beaverdam Creek, and at Millhaven.
DRAINAGE AREA - 646 mi².
- WSP 1383: Drainage area. WSP 1503: 1956.
PERIOD OF RECORD -
DISCHARGE: October 1936 to current year. Monthly discharges only for October 1936 to April 1937, published in WSP 1303.
GAGE HEIGHT: October 1992 to current year.
GAGE - Satellite telemetry with a water-stage recorder. Datum of gage is 95.88 feet above National Geodetic Vertical Datum (NGVD) of 1929. Prior to June 7, 1950, a non-recording gage was located at a site 200 feet downstream at same datum. From June 7, 1950 to April 30, 1951, a non-recording gage was located at present site and datum.
COOPERATION - Georgia Department of Natural Resources, Environmental Protection Division.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum stage known since at least 1797, 25.1 feet in September or October 1929, from information provided by the Georgia Department of Transportation; discharge, 64,000 cfs, by slope-conveyance study.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge recorded, 25,400 cfs, August 16, 1940; maximum gage-height recorded, 17.40 feet, from graph based on gage readings, August 16, 1940; minimum daily discharge, 32 cfs, September 3, 4, 2011.
PERIOD OF RECORD - March 2005 to current year.
INSTRUMENTATION - Tipping-bucket rain gage.