USGS Water-Year Summary 2017
02389150 ETOWAH RIVER AT GA 9, NEAR DAWSONVILLE, GA
LOCATION - Lat 34°21'29", long 84°06'48" referenced to North American Datum of 1983, Dawson County, GA, Hydrologic Unit 03150104, at bridge at GA 9, 6.5 miles upstream of confluence with Amicalola Creek
DRAINAGE AREA - 131 mi².
PERIOD OF RECORD -
DISCHARGE: June 2002 to current year.
GAGE-HEIGHT: June 2002 to current year.
GAGE - Satellite telemetry with a water-stage recorder. Datum of gage is 1022 feet above National Geodetic Vertical Datum (NGVD) of 1929 (from topographic map).
COOPERATION - Etowah Water and Sewer Authority.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge recorded, 4,920 cfs, May 19, 2013; maximum gage-height recorded, 15.90 feet, May 19, 2013; minimum daily discharge, 22 cfs, August 23 and 24, 2008.
PERIOD OF RECORD - July 2002 to current year.
INSTRUMENTATION - Tipping-bucket raingage.