USGS Water-Year Summary 2020
03544970 HIWASSEE RIVER AT RIVERSIDE DRIVE, NR HIAWASSEE, GA
LOCATION - Lat 34°53'01.0", long 83°43'20.3" referenced to North American Datum of 1983, Towns County, GA, Hydrologic Unit 06020002, one mile below the confluence with Owl Creek and four miles above the confluence with Hightower Creek near the upper end of Chatuge Lake.
DRAINAGE AREA - 39.5 mi².
PERIOD OF RECORD -
DISCHARGE: September 2007 to current year.
GAGE HEIGHT: September 2007 to current year.
GAGE - Satellite telemetry with a water-stage recorder. Datum of gage is 2000 feet above National Geodetic Vertical Datum (NGVD) of 1929 (from topographic map).
COOPERATION - City of Hiwassee.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge recorded, 2,960 cfs, May 30, 2018; maximum gage-height recorded, 11.22 feet, May 30, 2018; minimum daily discharge, 14 cfs, September 23-30 and October 1-3, 2007.
PERIOD OF RECORD - September 2007 to current year.
INSTRUMENTATION - Tipping-bucket raingage.
PERIOD OF DAILY RECORD -
WATER TEMPERATURE: September 2011 to current year.
INSTRUMENTATION - Satellite telemetry with a continuous water temperature thermistor.
EXTREMES FOR PERIOD OF DAILY RECORD -
WATER TEMPERATURE: Maximum recorded, 24.4°C, July 30, 2015; minimum recorded, -0.1°C, February 19, 2015.