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Water-Year Summary for Site 07240500

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Available Parameters
00054 Reservoir storage(Obs.)  

Water year 2020: 2019-10-01 to 2020-09-30
 

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USGS Water-Year Summary 2020
07240500 LAKE OVERHOLSER NEAR OKLAHOMA CITY ,OK
LOCATION - Lat 35°29'11", long 97°39'58" referenced to North American Datum of 1927, in SE 1/4 NW 1/4 sec.30, T.12 N., R.4 W., Oklahoma County, OK, Hydrologic Unit 11100301, in a concrete block building 200 ft north of dam on dike between lake and bypass channel and at mile 281.5.
DRAINAGE AREA - 13,487 mi² of which 3,497 mi² probably is noncontributing. From automated delineation using 10-meter National Elevation Dataset digital elevation model data dated 10/01/2006 and Watershed Boundary Dataset dated 10/01/2006, using Albers Equal-Area Projection, North American Datum 1983.
REVISIONS HISTORY - WDR 2012: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1937 to September 1991, month end contents only. October 1999 to current year, daily contents.
GAGE - Water-stage recorder. Datum of gage is NGVD of 1929. Prior to Oct. 1, 1955, nonrecording gage at datum 1,065.77 ft.
REMARKS -

10/1/2019 - 09/30/2020: records fair.

Quality of data for other periods can be obtained by contacting the Oklahoma-Texas Water Science Center.

Reservoir is formed by Ambursan-type dam flanked by long earth-fill sections. Outlet facilities are 23 tainter gates and one uncontrolled spillway. Storage began in 1917. Dam was partly washed out in 1923 and rebuilt in 1924. Capacity, 17,100 acre-ft below elevation 1,242.27 ft, top of spillway gates. Dead storage, 1,400 acre-ft below elevation 1,229.77 ft, sill of outlet works. Figures given herein represent total contents. Revised capacity table used since Oct. 1, 1950.