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Water-Year Summary for Site 11246650

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Available Parameters
00054 Reservoir storage(Obs.)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
11246650 Kerckhoff Reservoir near Auberry, CA
LOCATION - Lat 37°07'40", long 119°31'25" referenced to North American Datum of 1927, in SE 1/4 SW 1/4 sec.24, T.22 E., R.9 S., Fresno County, CA, Hydrologic Unit 18040006, near center of Kerckhoff Dam, on San Joaquin River, 2.0 mi downstream from A.G. Wishon Powerplant, and 7.9 mi northwest of Auberry.
DRAINAGE AREA - 1,460 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1986 to current year.
GAGE - Water-stage recorder. Datum of gage is NGVD of 1929 (levels by Pacific Gas and Electric Company).
COOPERATION - Records were provided by Pacific Gas and Electric Company, under general supervision of the U.S. Geological Survey, in connection with Federal Energy Regulatory Commission project no. 96.
REMARKS - Reservoir is formed by concrete-arch dam with spillway completed in 1920. Usable contents, 4,247 acre-ft, between elevations 900.14 ft, invert of sluice gates, and 985.68 ft, top of spillway gates. Water is released for use in Kerckhoff Powerplants No. 1 and 2 (station 11246950 and 11247050) before being discharged into the San Joaquin River above Millerton Lake. Records, including extremes, represent total contents at 2400 hours. See schematic diagram of lower San Joaquin River Basin available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Maximum contents, 5,700 acre-ft, Jan. 2, 1997, elevation unknown; minimum, 1,090 acre-ft, Oct. 9, 2009, elevation, 960.00 ft.