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Water-Year Summary for Site 11404250

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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
11404250 Grizzly Forebay near Storrie, CA
LOCATION - Lat 39°53'32", long 121°17'25" referenced to North American Datum of 1927, in SW 1/4 NE 1/4 sec.34, T.24 N., R.6 E., Plumas County, CA, Hydrologic Unit 18020121, Plumas National Forest, in intake tower for Bucks Creek Powerplant, 100 ft upstream from Grizzly Diversion Dam, 2.4 mi southeast of Storrie, and 6.2 mi west of Bucks Lodge.
DRAINAGE AREA - 14.4 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1986 to current year. Unpublished records for water years 1981-86 available in files of the U.S. Geological Survey.
GAGE - Water-stage recorder. Datum of gage is 3.50 ft below NGVD of 1929 (levels by Pacific Gas and Electric Company).
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. 619.
REMARKS - Lake is formed by concrete dam. Storage began in July 1928. Contents based on capacity table dated 1928. Usable capacity, 1,033 acre-ft, between elevations 4,271 ft, bottom of diversion tunnel, and 4,316.0 ft, crest of spillway. Water is received from Bucks Creek via Bucks Creek Tunnel and Grizzly Powerplant (station 11404240) which enter Grizzly Creek upstream. Most of the water is diverted through tunnel to Bucks Creek Powerplant (station 11403700) for power development downstream on North Fork Feather River. Figures given, including extremes, represent total contents at 2400 hours. See schematic diagram of North Fork Feather River Basin available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Maximum contents, 1,329 acre-ft, Dec. 30, 1996, elevation, 4,321.5 ft; minimum, 216 acre-ft, Sept. 20, 1991, elevation, 4,282.8 ft.