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Water-Year Summary for Site 11238500

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Available Parameters
00060 Discharge(Mean)  

Water year 2021: 2020-10-01 to 2021-09-30

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USGS Water-Year Summary 2021
11238500 Big Creek near mouth, near Big Creek, CA
LOCATION - Lat 37°12'28", long 119°19'13" referenced to North American Datum of 1927, in SE 1/4 NW 1/4 sec.26, T.8 S., R.24 E., Fresno County, CA, Hydrologic Unit 18040006, in Sierra National Forest, on right bank, 0.6 mi upstream from mouth, and 3.9 mi west of town of Big Creek.
DRAINAGE AREA - 131 mi².
PERIOD OF RECORD - May 1923 to May 1932, October 1986 to current year. Monthly discharge only for some periods, published in WSP 1315-A.
GAGE - Water-stage recorder. Elevation of gage is 2,620 ft above NGVD of 1929, from topographic map.
COOPERATION - Records, including monthly diversion to Big Creek Powerplant No. 2 and 8 (stations 11238380 and 11238550), collected by the Southern California Edison Co., under general supervision of the U.S. Geological Survey, in connection with Federal Energy Regulatory Commission project no. 67.
REMARKS - Flow regulated by Huntington Lake (station 11236000) and diversions for power development in Big Creek powerplants. Most of the water is diverted past this station to Big Creek Powerplant No. 8. Big Creek Powerplant No. 2 diverts water from Big Creek and then returns it between Big Creek below Huntington Lake (station 11237000) and this station. See schematic diagram of lower San Joaquin River Basin available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 7,400 ft³/s, Jan. 2, 1997, gage height, 10.34 ft, from rating curve extended above 900 ft³/s; no flow several days in 1925 and 1931.