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Water-Year Summary for Site 11409400

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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
11409400 Oregon Creek below Log Cabin Dam, near Camptonville, CA
LOCATION - Lat 39°26'22", long 121°03'29" referenced to North American Datum of 1927, in SW 1/4 SW 1/4 sec.11, T.18 N., R.8 E., Yuba County, CA, Hydrologic Unit 18020125, in Tahoe National Forest, on left bank, 500 ft downstream from Log Cabin Dam, 670 ft upstream from High Point Ravine, and 1.1 mi southwest of Camptonville.
DRAINAGE AREA - 29.1 mi².
REVISIONS HISTORY - WDR CA-81-4: 1980 (instantaneous maximum discharge).
SURFACE-WATER RECORDS
PERIOD OF RECORD - August 1968 to current year. WATER TEMPERATURE: Water years 1971-79.
GAGE - Water-stage recorder, sharp-crested weir since Nov. 13, 1990. Datum of gage is 1,912.73 ft above NGVD of 1929 (levels by Yuba County Water Agency). Prior to July 24, 1973, at site 470 ft downstream at datum 8.40 ft lower. July 24, 1973, to Sept. 30, 1986, at site on right bank. Oct. 1, 1986, to Nov. 13, 1990, a sharp-crested weir was put in at same location and gage house located on left bank. The weir was deemed too shallow so a new sharp-crested weir was put in 70 ft downstream at a datum 7.24 ft lower.
COOPERATION - Records 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 - Lohman Ridge Tunnel (station 11408870) diverts water into the basin from the Middle Yuba River. Camptonville Tunnel (station 11409350), maximum capacity, about 1,000 ft³/s, 520 ft upstream, diverts water out of the basin to New Bullards Bar Reservoir (station 11413515); diversion began October 1968. See schematic diagram of North and Middle Yuba River Basins available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 6,400 ft³/s, Feb. 17, 1986, gage height, 11.24 ft, datum then in use, from rating curve extended above 50 ft³/s, based on flow-over-dam computation, maximum gage height, 15.70 ft (from floodmark), Jan. 1, 1997; minimum daily, 0.34 ft³/s, Sept. 18, 1972.