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Water-Year Summary for Site 11414400

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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
00054 Reservoir storage(Obs.)  

Water year 2019: 2018-10-01 to 2019-09-30
 

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USGS Water-Year Summary 2019
11414400 French Lake near Cisco, CA
LOCATION - Lat 39°25'16", long 120°32'28" referenced to North American Datum of 1927, in SE 1/4 SW 1/4 sec.17, T.18 N., R.13 E., Nevada County, CA, Hydrologic Unit 18020125, Tahoe National Forest, on right bank, near French Lake Dam on Canyon Creek, 0.5 mi upstream from Weil Lake, and 8.2 mi north of Cisco.
DRAINAGE AREA - 4.60 mi².
REVISIONS HISTORY - WDR US-2010: 1994
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1986 to current year. Unpublished records for water years 1966-86 available in the files of the U.S. Geological Survey.
GAGE - Water-stage recorder. Datum of gage is NGVD of 1929 (levels by Nevada Irrigation District). Prior to October 1997, non-recording gage at same site and datum.
COOPERATION - Records were collected by Nevada Irrigation District, under general supervision of the U.S. Geological Survey, in connection with Federal Energy Regulatory Commission project no. 2266.
REMARKS - Reservoir is formed on natural lake by rock-filled dam completed in 1859. Contents based on capacity table dated 1964. Usable capacity, 13,940 acre-ft, between elevations 6,594.90 ft, invert of outlet gate, and 6,660.28 ft, crest of spillway. Figures given, including extremes, represent usable contents at 2400 hours. Released water is used for hydroelectric power and irrigation downstream. See schematic diagram of North and Middle Yuba River Basins available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Maximum contents, 14,600 acre-ft, Jan. 8, 2017, elevation, 6,662.10 ft; minimum, 5,350 acre-ft, Jan. 28, 2014, elevation, 6,628.44 ft.