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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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USGS Water-Year Summary 2024
02467001 TOMBIGBEE RIVER BELOW DEMOPOLIS LOCK AND DAM NEAR COATOPA, AL
LOCATION - Lat 32°31'15", long 87°52'48" referenced to North American Datum of 1927, Marengo County, AL, Hydrologic Unit 03160201, on left bank at downstream end of lock and dam, 0.6 mi downstream from Foscue Creek, 2.5 mi west of Demopolis, 3.4 mi upstream from Hall Creek, 13 mi east of Coatopa, and at mile 171.1.
DRAINAGE AREA - 15,385 mi².
REVISIONS HISTORY - WDR AL-85-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 1951 to September 1974 in files of U.S. Army Corps of Engineers. October 1974 to September 1997 (gage heights at 0700 hours), October 1997 to current year (gage heights only).
GAGE - Water-stage recorder. Datum of gage is at NGVD of 1929. Records prior to Oct. 1, 1997 published at datum 20.00 ft above NGVD of 1929. Prior to Oct. 20, 1992, nonrecording gage at same site and at datum 20.00 ft above NGVD of 1929.
REMARKS - Record considered good, except for estimated period, which was poor. Records since Jan. 16, 1985, include diversions from Tennessee River basin through Bay Springs lock on Tennessee-Tombigbee Waterway.
EXTREMES FOR PERIOD OF RECORD - Maximum elevation, 92.3 ft (NGVD of 1929), Apr. 19, 1979; minimum, 30.9 ft (NGVD of 1929), Oct. 4, 1984.
