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Water-Year Summary for Site 02419890

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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
00010 Temperature, water(Max.,Min.,Mean)  
00060 Discharge(Mean)  
00065 Gage height(Mean)  
00095 Specific cond at 25C(Max.,Min.,Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
02419890 (NWS 01-8038-N) TALLAPOOSA RIVER NEAR MONTGOMERY, AL
LOCATION - Lat 32°26'23", long 86°11'44" referenced to North American Datum of 1927, Montgomery County, AL, Hydrologic Unit 03150110, on left bank at the Clarence T. Perry (City of Montgomery) water purification plant, 2.5 mi upstream of U.S. Highway 231 bridge, 4 mi northeast of Montgomery, and at river mile 12.8.
DRAINAGE AREA - 4,646 mi².
REVISIONS HISTORY - WDR AL-84-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1995 to current year. October 1972 to September 1995 (gage heights only). August 1966 to December 1970 in files of U.S. Geological Survey. May to September 1972, in files of National Weather Service.
GAGE - Water-stage recorder. Datum of gage is 129.13 ft above NGVD of 1929.
REMARKS - Estimated values: August 24-27, September 5, 9-10, and November 13, 2019. Data were considered fair, except for estimated periods, which were poor. Flow is regulated by Harris Reservoir (station 02412950), Lake Martin (station 02417500), and other hydroelectric plants above station including Yates and Thurlow Dams.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Feb. 26, 1961, reached a stage of 41.9 ft from floodmarks.
WATER-QUALITY RECORDS
PERIOD OF DAILY RECORD - July 23, 2005 to current year.
INSTRUMENTATION - Water-quality monitor since July 2005.
REMARKS - Maximum and minimum values given in EXTREMES FOR PERIOD OF RECORD may have been exceeded during periods of missing record.
EXTREMES FOR PERIOD OF RECORD - SPECIFIC CONDUCTANCE: Maximum, 142 microsiemens/cm, May 11, 2007; minimum, 25 microsiemens/cm, June 26, 2015. WATER TEMPERATURE: Maximum, 33.3°C, August 22, 2007; minimum, 5.9°C, January 21, 2008.