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Water-Year Summary for Site 11436000

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00060 Discharge(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 

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USGS Water-Year Summary 2023
11436000 Silver Lake Outlet near Kirkwood, CA
LOCATION - Lat 38°40'18", long 120°07'19" referenced to North American Datum of 1927, in NE 1/4 SW 1/4 sec.32, T.10 N., R.17 E., El Dorado County, CA, Hydrologic Unit 18020129, Eldorado National Forest, on right bank, 1,000 ft downstream from Silver Lake Dam, and 3.5 mi southwest of Kirkwood.
DRAINAGE AREA - 15.2 mi².
REVISIONS HISTORY - WDR CA-75-4: 1927 (instantaneous maximum discharge), 1929 (instantaneous maximum discharge), 1932 (instantaneous maximum discharge), 1937-38 (instantaneous maximum discharge), 1940-45 (instantaneous maximum discharge), 1950-53 (instantaneous maximum discharge), 1955-58 (instantaneous maximum discharge), 1963 (instantaneous maximum discharge), 1965 (instantaneous maximum discharge), 1967 (instantaneous maximum discharge), 1969-70 (instantaneous maximum discharge), 1973 (instantaneous maximum discharge).
SURFACE-WATER RECORDS
PERIOD OF RECORD - September 1922 to current year. Records for water year 1923 incomplete, yearly estimate published in WSP 1315-A.
GAGE - Water-stage recorder. Concrete control since Sept. 8, 1986. Datum of gage is 7,198.0 ft above NGVD of 1929 (levels by Pacific Gas and Electric Co.).
COOPERATION - Records were collected by El Dorado Irrigation District, under general supervision of the U.S. Geological Survey, in connection with Federal Energy Regulatory Commission project no. 184.
REMARKS - Low and medium flow regulated by Silver Lake (station 11435900) 1,000 ft upstream. See schematic diagram of South Fork American River Basin available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 2,170 ft³/s, Jan. 2, 1997, gage height, 7.79 ft, from rating curve extended above 430 ft³/s; no flow many days in February and March 1948, Jan. 13, 14, 1954, and Nov. 3, 1959, to Feb. 5, 1960.