USGS Water-Year Summary 2020
02407526 COOSA RIVER AT GASTON STEAMPLANT NEAR WILSONVILLE, AL
LOCATION - Lat 33°14'28", long 86°27'30" referenced to North American Datum of 1927, Shelby County, AL, Hydrologic Unit 03150107, on right bank near tailings pond of Gaston Steamplant, 1.6 mi downstream of Yellowleaf Creek, 1 mi east of Wilsonville, and at river mile 75.3.
DRAINAGE AREA - 8,588 mi².
PERIOD OF RECORD - October 1991 to current year. Daily gage height records are published beginning October 1993.
GAGE - Water-stage recorder. Datum of gage is 382.41 ft above NGVD of 1929.
EXTREMES FOR PERIOD OF RECORD - Maximum, 18.25 ft, May 9, 2003; minimum, 9.75 ft, October 24, 2018.