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Water-Year Summary for Site 11316602

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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
11316602 Tiger Creek Regulator Reservoir near Pioneer, CA
LOCATION - Lat 38°28'38", long 120°27'06" referenced to North American Datum of 1983, in SW 1/4 NE 1/4 sec.08, T.7 N., R.14 E., Amador County, CA, Hydrologic Unit 18040012, in Eldorado National Forest, near left bank of dam after crossing over intake channel, 7.2 mi northeast of Pioneer, and 12.9 mi west of Salt Springs Reservoir.
DRAINAGE AREA - 7.33 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 2002 to current year.
GAGE - Water-stage recorder. Elevation of gage is 3,592 ft above NGVD of 1929, from topographic map.
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. 137.
REMARKS - Reservoir is formed by concrete arch dam, established in 1931. Contents prior to Sept. 30, 2014, based on Capacity Table 1 dated October 1997. Capacity, 570 acre-ft, at gage height 24.0 ft. Contents since Sept. 30, 2014, based on Capacity Table 2, from a bathymetric study done in 2014. Capacity, 379 acre-ft, at a gage height of 24.0 ft. Figures given, including extremes, represent total contents at 2400 hours. See schematic diagram of Mokelumne River Basin available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Maximum contents, 544 acre-ft, Dec. 19, 2010, gage height, 22.02 ft; minimum, 146 acre-ft, estimated, May 10, 2008, gage height unknown.