USGS Water-Year Summary 2022
02315920 ALAPAHA RIVER AT GA 32, NEAR IRWINVILLE, GA
LOCATION - Lat 31°37'52", long 83°25'05" referenced to North American Datum of 1927, Irwin County, GA, Hydrologic Unit 03110202,
DRAINAGE AREA - 430 mi². revised.
- WDR GA-2013: Drainage area.
PERIOD OF RECORD -
DISCHARGE: October 2009 to current year.
GAGE-HEIGHT: October 2009 to current year.
GAGE - Satellite telemetry with a water-stage recorder. Datum of gage is 262.1 feet above the North American Vertical Datum (NAVD) of 1988 (leveling by Global Positioning System equipment).
COOPERATION - Georgia Department of Natural Resources, Environmental Protection Division.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge recorded, 8,860 cfs, January 23, 2010; maximum gage-height recorded, 10.09 feet, January 23, 2010 and December 5, 2018; minimum daily discharge, no flow on numerous days.