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Water-Year Summary for Site 02469525

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00060 Discharge(Mean)  
00065 Gage height(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
02469525 TOMBIGBEE RIVER NEAR NANAFALIA, AL
LOCATION - Lat 32°07'48", long 88°02'28" referenced to North American Datum of 1927, Marengo County, AL, Hydrologic Unit 03160201, on right bank pier at bridge on State Highway 10, 4 mi west of Nanafalia, 11 mi east of Butler, and at river mile 122.6.
DRAINAGE AREA - 17,487 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1956 to November 1986, May 1990 to current year (gage heights only). May 1990 to current year in reports of U.S. Geological Survey. October 1956 to November 1986 in files of U.S. Army Corps of Engineers.
GAGE - Water-stage recorder. Datum of gage is NGVD of 1929.
REMARKS - Gage is in upper reach of pool formed by Coffeeville Lock and Dam. Records since Jan. 16, 1985, include diversions from Tennessee River basin through Bay Springs lock on Tennessee-Tombigbee Waterway. Estimated values: January 11-13, 2020. Record considered fair, due to rating definition, and except for estimated period, which was poor.
EXTREMES OUTSIDE PERIOD OF RECORD - The flood of April 1900 reached a stage of approximately 69 ft. Flood of Feb. 23, 1990, reached a stage of 62.6 ft.
EXTREMES FOR PERIOD OF RECORD - Maximum elevation, 66.78 ft, Mar. 2, 1961. Flood of Apr. 21, 1979 reached an elevation of approximately 67 ft. Minimum elevation (for period October 1956 to August 1960), 13.29 ft, Oct. 16, 1956; minimum elevation (for period after August 1960), 31.71 ft, Jan. 12, 1961.