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Water-Year Summary for Site 11295900

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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
11295900 Pinecrest Lake at Pinecrest, CA
LOCATION - Lat 38°11'57", long 119°59'20" referenced to North American Datum of 1927, in NE 1/4 SW 1/4 sec.15, T.4 N., R.18 E., Tuolumne County, CA, Hydrologic Unit 18040010, Stanislaus National Forest, in building on left end of dam on South Fork Stanislaus River, and 0.7 mi north of Pinecrest.
DRAINAGE AREA - 26.6 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1985 to current year. Unpublished records for water years 1981-85 available in files of the U.S. Geological Survey.
GAGE - Water-stage recorder since July 14, 1992. Oct. 1, 1985, to July 13, 1992, nonrecording gage read once daily. Datum of gage is NGVD of 1929 (levels by Pacific Gas and Electric Company).
COOPERATION - Records were collected by Pacific Gas and Electric Company, under general supervision of the U.S. Geological Survey, in connection with Federal Energy Regulatory Commission project no. 2130.
REMARKS - Reservoir is formed by concrete-faced, rock-fill dam, completed in 1916; storage began in 1916. Contents based on capacity table dated 1938. Capacity, 18,312 acre-ft, between elevations 5,498.7 ft, outlet drain, and 5,617.5 ft, top of flash boards in spillway. Released water flows down South Fork Stanislaus River to diversion dam for Philadelphia Canal (station 11297000) for use at Spring Gap Powerplant on Middle Fork Stanislaus River. Figures given, including extremes, represent total contents. Records since July 14, 1992, including extremes, represent total contents at 2400 hours. See schematic diagram of Stanislaus River Basin available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Maximum contents, 18,582 acre-ft, June 5, 1997, elevation, 5,618.39 ft; minimum, 380 acre-ft, estimated, Jan. 30, Feb. 24, 25, 2002, elevation unknown.