USGS Water-Year Summary 2020
02421351 ALABAMA RIVER BELOW ROBERT F. HENRY LOCK AND DAM NEAR BENTON, AL
LOCATION - Lat 32°19'20", long 86°47'02" referenced to North American Datum of 1927, Lowndes County, AL, Hydrologic Unit 03150201, at downstream end of Robert F. Henry Lock and Dam, 2 mi upstream from Big Swamp Creek, 2.5 mi northeast of Benton, 5 mi downstream from Ivy Creek, and at mile 245.4.
DRAINAGE AREA - 16,233 mi².
WDR AL-84-1: Drainage area.
Gage Height for the period June 24, 2020 to July 23, 2020, was revised on January 13, 2021, based on changes to gage readings and gage height corrections.
PERIOD OF RECORD - January 1972 to September 1997, October 2001 to current year (gage height only). October 1997 to September 2001 in files of U.S. Army Corps of Engineers. Prior to October 1983, published as Alabama River below Jones Bluff Lock and Dam, near Benton.
GAGE - Water-stage recorder. Datum of gage is NGVD of 1929.
EXTREMES FOR PERIOD OF RECORD - Maximum elevation, 135.4 ft, Mar. 20 1990; minimum 77.58 ft, Sept. 3, 2002.