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Water-Year Summary for Site 02407000

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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 2021: 2021-10-01 to 2022-09-30
 

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USGS Water-Year Summary 2021
02407000 COOSA RIVER AT CHILDERSBURG, AL
LOCATION - Lat 33°17'30", long 86°21'50" referenced to North American Datum of 1927, Shelby County, AL, Hydrologic Unit 03150107, about 200 ft landward of left bank & 120 ft upstream of westbound Highway 280 bridge.  ADVM sidelooker/gage is on bridge pier about 200 ft from left bank & about 300 ft downstream of Central of Georgia Railway bridge.  0.5 mi downstream of Tallasseehatchee Creek & 1 mi northwest of Childersburg.
DRAINAGE AREA - 8,392 mi².
REVISIONS HISTORY - WDR AL-84-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1913 to September 1978. June 2011 to current year (daily discharge). October 1978 to September 1996 (flood hydrograph only). Daily gage height records are published beginning October 1994. Monthly discharge only for periods October 1913 to February 1914, June 1915, July to September, November 1916, published in WSP 1304.
GAGE - Water-stage recorder. Datum of gage is 382.45 ft above NGVD of 1929 (levels by Alabama Power Company). Prior to Oct. 1, 1915, at datum 0.10 ft lower. Sept. 29, 1967 to Sept. 30, 1994, auxiliary water-stage recorder 3.5 mi downstream.
REMARKS - Estimated values: October 17-18, November 15-16, 2018, and February 20-22, 2019. Record considered good, except for estimated periods, which are poor. Since December 1949 flow regulated by Allatoona Reservoir on Etowah River, since April 1961 by Weiss Reservoir on Coosa River, since July 1964 by Logan-Martin Reservoir. (See Reservoirs in Mobile River basin.) Gage in pool of Lay Lake.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 150,000 ft³/s, Apr. 14, 1979; maximum gage height, 30.41 ft, Feb. 23, 1961; minimum daily discharge, 378 ft³/s, Apr. 20, 1975.
AVERAGE DISCHARGE FOR PERIOD OF RECORD - 65 years (water years 1914-78), 13,860 ft³/s, 22.43 in/yr.