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Water-Year Summary for Site 10287650

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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
10287650 Saddlebag Lake near Lee Vining, CA
LOCATION - Lat 37°57'56", long 119°16'18" referenced to North American Datum of 1927, Mono County, CA, Hydrologic Unit 18090101, unsurveyed, in Inyo National Forest, near left abutment of dam, on Lee Vining Creek, and 8.2 mi west of Lee Vining.
DRAINAGE AREA - 4.55 mi².
REVISIONS HISTORY - WDR CA-98-1: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1990 to current year. Unpublished records prior to October 1990 available in files of Southern California Edison Co.
GAGE - Water-stage recorder. Datum of gage is NGVD of 1929 (levels by Southern California Edison Co.).
COOPERATION - Records collected by Southern California Edison Co., under general supervision of the U.S. Geological Survey, in connection with Federal Energy Regulatory Commission project no. 1388.
REMARKS - Reservoir is formed on natural lake by rock-fill dam completed in 1921. Contents based on capacity table dated Feb. 8, 1985. Usable capacity, 9,789 acre-ft, between elevations 10,048.80 ft, invert of outlet, and 10,090.40 ft, crest of spillway. At times, a cofferdam 600 ft upstream affects the storage below about 800 acre-ft, due to the constriction of flow past the cofferdam. Figures given represent usable contents at 2400 hours. Water is used for power development downstream.
EXTREMES FOR PERIOD OF RECORD - Maximum contents, 9,510 acre-ft, Aug. 5, 2017, elevation, 10,089.46 ft; minimum, 468 acre-ft, Mar. 7, 2021, elevation, 10,051.36 ft.