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Water-Year Summary for Site 11243400

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Available Parameters
00054 Reservoir storage(Obs.)  

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

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USGS Water-Year Summary 2021
11243400 Bass Lake near Bass Lake, CA
LOCATION - Lat 37°17'36", long 119°31'40" referenced to North American Datum of 1927, in SE 1/4 NE 1/4 sec.26, T.7 S., R.22 E., Madera County, CA, Hydrologic Unit 18040006, in Sierra National Forest, at outlet tower about 500 ft northeast of center of rock-fill dam on North Fork Willow Creek, 2.2 mi southeast of town of Bass Lake, and 5 mi north of town of North Fork.
DRAINAGE AREA - 50.4 mi².
PERIOD OF RECORD - January 1911 to September 1982 (monthend contents only), October 1982 to current year. Bass Lake was formerly called Crane Valley Reservoir.
GAGE - Water-stage recorder. Elevation is 3,376.40 ft above NGVD of 1929 (levels by Pacific Gas and Electric Co.).
COOPERATION - Records were provided by Pacific Gas and Electric Co., under general supervision of the U.S. Geological Survey, in connection with Federal Energy Regulatory Commission project no. 1354. Contents not rounded to U.S. Geological Survey standards.
REMARKS - Contents based on capacity table 2.0, dated 1937. Reservoir formed by earth-fill and rock-fill dam; completed in 1901 and raised in 1910. Since 1910, usable contents, 45,100 acre-ft, between elevations 3,280.22 ft, invert of outlet conduit No. 3, and 3,376.40 ft, top of spillway gates. Additional storage of 300 acre-ft not available for release. Water is released through Crane Valley Powerplant below dam for use in three small powerplants before being discharged into Kerckhoff Reservoir (station 11246650) at Wishon Powerplant. Water is diverted from South Fork Willow Creek via Browns Creek Ditch into Bass Lake near left end of dam. Madera Irrigation District has water rights to divert up to 50 ft³/s from North Fork Willow Creek through Soquel Ditch into Nelder Creek (Fresno River Basin) from October through July each year. Records, excluding 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, 45,960 acre-ft, June 17, 1923, elevation, 3,376.8 ft; minimum, 35 acre-ft, Nov. 19, 1953, elevation, 3,270.2 ft.