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Water-Year Summary for Site 11417950

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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
11417950 Harry L. Englebright Lake near Smartsville, CA
LOCATION - Lat 39°14'23", long 121°16'07" referenced to North American Datum of 1927, in SE 1/4 SW 1/4 sec.14, T.16 N., R.6 E., Yuba County, CA, Hydrologic Unit 18020125, in intake tower on right bank of reservoir, 0.9 mi upstream from Deer Creek and 2.7 mi northeast of Smartsville.
DRAINAGE AREA - 1,108 mi².
REVISIONS HISTORY - WDR CA-03-4: 2002, Monthend and annual maximum and minimum elevations.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 2001 to September 2006, October 2007 to current year. Records of daily storage, 1973-2001, available in files of the U.S. Geological Survey.
GAGE - Water-stage recorder. Datum of gage is NGVD of 1929 (Army Corps of Engineers).
COOPERATION - Records 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. 1403.
REMARKS - Reservoir is formed by a concrete arch dam, 1,142 ft long and 260 ft tall, completed in 1941 by the Army Corps of Engineers, water storage began the same year. Reservoir receives inflow from North, Middle and South Forks of Yuba River which are regulated releases except during spill conditions. Dam has no low-level outlet except water that is released through Narrows Powerplant Nos. 1 and 2 (station 11417980). Site is used by Pacific Gas and Electric Company to compute mid-night storage contents for Reservoir. Contents based on capacity table No. 3.01, dated Oct. 1 2008. Records, excluding extremes, represent contents at 2400 hours. See schematic diagram of South Yuba River Basin available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Maximum contents, 56,000 acre-ft, Dec. 31, 2005, elevation, 539.96 ft; minimum, 28,600 acre-ft, Nov. 20, 2009, Feb. 7, 2011, elevation, 515.04 ft, Feb. 7, 2011.