USGS Water-Year Summary 2019
02335815 CHATTAHOOCHEE RIVER BELOW MORGAN FALLS DAM,
LOCATION - Lat 33°58'05", long 84°22'58" referenced to North American Datum of 1983, Fulton County, GA, Hydrologic Unit 03130001, on left bank 400 feet downstream of Morgan Falls Dam, 3.8 miles upstream from mouth of Sope Creek.
DRAINAGE AREA - 1,370 mi².
PERIOD OF RECORD -
DISCHARGE: October 2001 to current year.
GAGE-HEIGHT: October 2001 to current year.
GAGE - Satellite telemetry with a water-stage recorder. Datum of gage is 12.52 feet below National Geodetic Vertical Datum (NGVD) of 1929.
COOPERATION - Georgia Power Corporation.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge recorded, 35,500 cfs, September 21, 2009; maximum gage-height recorded, 827.01 feet, September 21, 2009; minimum daily discharge, 630 cfs, September 23, 2001.
EXTREMES FOR PERIOD OF RECORD - WATER TEMPERATURE: Maximum recorded, 26.8°C, July 9, 2017; minimum recorded, 2.8°C, February 19, 2015.