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Water-Year Summary for Site 02210500

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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 2020: 2019-10-01 to 2020-09-30
 

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USGS Water-Year Summary 2020
02210500 OCMULGEE RIVER NEAR JACKSON, GA
LOCATION - Lat 33°18'45.4", long 83°50'14.5" referenced to North American Datum of 1983, Butts County, GA, Hydrologic Unit 03070103, on right bank, 1500.0 feet upstream from bridge on GA 16, 1.50 miles downstream from Lloyd Shoals Dam, and 7.0 miles East of Jackson, GA.
DRAINAGE AREA - 1,420 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD -
DISCHARGE: May 1906 to September 1915, August 1939 to September 1960, October 1975 to September 1982, March 1987 to current year.
GAGE HEIGHT: October 1998 to current year.
GAGE - Satellite telemetry with a water-stage recorder. Datum of gage is 419.29 feet above National Geodetic Vertical Datum (NGVD) of 1929. Prior to January 1, 1913, staff gages were located at this site. From January 1 to December 31, 1913, a water-stage recorder was located at this site. From January 1, 1914 to December 31, 1915, a staff gage was located at this site. From August 1, 1939 to September 30, 1960 and from October 1, 1975 to September 30, 1982, a water-stage recorder was located at this site. All were at present site and gage datum.
COOPERATION - Georgia Power Corporation.
REMARKS -

For period 10/01/2013-09/30/2014: Discharge records poor. Gage height records poor.
For period 10/01/2014-03/28/2017: Discharge records fair. Gage height records good.
For period 03/29/2017-11/30/2107: Discharge records good. Gage height records good.
For period 11/30/2017-02/05/2018: Discharge records fair. Gage height records good.
For period 02/05/2018-04/25/2018: Discharge records fair. Gage height records fair.
For period 04/25/2018-02/19/2019: Discharge records good. Gage height records good.
For period 02/19/2019-04/08/2019: Discharge records fair. Gage height records good.
For period 04/08/2019-06/12/2019: Discharge records good. Gage height records good.
For period 06/12/2019-10/13/2020: Discharge records fair. Gage height records good.
For period 10/14/2020-12/23/2020: Discharge records good. Gage height records good.
For period 12/24/2020-02/11/2021: Discharge records fair. Gage height records good.

Flow regulated by Lloyd Shoals Reservoir since November 1910. Statistics prior to regulation are available upon request.

EXTREMES OUTSIDE PERIOD OF RECORD - Maximum gage-height, 26.8 feet, Dec. 11, 1919, from graph based on gage readings, discharge, 69,000 cfs, by computation of flow over dam.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge recorded, 68,500 cfs, July 6, 1994; maximum gage-height recorded, 26.87 feet, July 6, 1994; minimum daily discharge, 18 cfs, November 10, 1910.
EXTREMES FOR PERIOD PRIOR TO REGULATION - Maximum daily discharge, 25,400 cfs, June 13, 1906; minimum daily discharge, 300 cfs, September 2, 1907.
CLIMATOLOGICAL RECORDS
PERIOD OF RECORD - December 2000 to January 2008.
INSTRUMENTATION - Tipping-bucket raingage.