USGS Water-Year Summary 2021
02334652 CHATTAHOOCHEE R 0.96 MI US MCGINNIS FY SUWANEE GA
LOCATION - Lat 34°03'31.8", long 84°06'38.5" referenced to North American Datum of 1983, Forsyth County, GA, Hydrologic Unit 03130001, 1.6 miles downstream of Level Creek, 2.9 miles upstream of Suwanee Creek, and 5.5 miles northeast of Johns Creek, GA.
PERIOD OF RECORD - August 2010 to current year.
GAGE - Satellite telemetry with water temperature thermistor. Datum of gage is 900 feet above National Geodetic Vertical Datum (NGVD) of 1929 (from topographic map).
COOPERATION - Forsyth County.
EXTREMES FOR PERIOD OF RECORD - WATER TEMPERATURE: Maximum recorded, 22.5°C, August 30, 2020; minimum recorded, 4.4°C, February 12, 2014.