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Water-Year Summary for Site 11408880

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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
11408880 Middle Yuba River below Our House Dam, near Camptonville, CA
LOCATION - Lat 39°24'42", long 120°59'49" referenced to North American Datum of 1927, in SW 1/4 NW 1/4 sec.20, T.18 N., R.9 E., Sierra County, CA, Hydrologic Unit 18020125, in Tahoe National Forest, on right bank, 300 ft downstream from Our House Dam, and 4.0 mi southeast of Camptonville.
DRAINAGE AREA - 145 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1968 to current year.
GAGE - Water-stage recorder, sharp-crested weir since Oct. 16, 1990, and crest-stage gage. Datum of gage is 1,957.51 ft above NGVD of 1929. Prior to Nov. 4, 1970, water-stage recorder at datum 10 ft higher. Prior to Oct. 1, 1987, at site 75 ft downstream.
COOPERATION - Records were provided by Yuba County Water Agency, under general supervision of the U.S. Geological Survey, in connection with Federal Energy Regulatory Commission project no. 2246.
REMARKS - Natural flow of stream affected by Jackson Meadows Reservoir (station 11407800), Milton-Bowman Tunnel (station 11408000), which diverts upstream from station to Bowman Lake (station 11415500), and Lohman Ridge Tunnel (station 11408870), which diverts 300 ft upstream to Oregon Creek and then to New Bullards Bar Reservoir (station 11413515) via Camptonville Tunnel (station 11409350). Other small diversions upstream from station. See schematic diagram of North and Middle Yuba River Basins available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 27,500 ft³/s, Jan. 2, 1997, gage height, 30.7 ft, from floodmark, present datum, from rating curve extended above 8,600 ft³/s, on basis of theoretical rating of Our House Dam spillway; minimum daily, 2.1 ft³/s, Jan. 10, 1982.