USGS Water-Year Summary 2021
11406800 Lake Oroville near Oroville, CA
LOCATION - Lat 39°32'06", long 121°28'25" referenced to North American Datum of 1927, in NE 1/4 SW 1/4 sec.01, T.19 N., R.4 E., Butte County, CA, Hydrologic Unit 18020123, near intake structure, at left end of Oroville Dam on Feather River, 1.0 mi downstream from North Fork Feather River, and 4.2 mi east of Oroville.
DRAINAGE AREA - 3,607 mi².
- WDR US-2007: 2006 (monthly total evaporation), WDR US-2013: 2012 (monthly total evaporation).
PERIOD OF RECORD - November 1967 to current year.
GAGE - Water-stage recorder. Datum of gage is 0.47 ft above NGVD of 1929 (levels by California Department of Water Resources). Contents based on capacity table in use since Sept. 21, 1967.
COOPERATION - Records were collected by California Department of Water Resources, under general supervision of the U.S. Geological Survey, in connection with Federal Energy Regulatory Commission project no. 2100. Contents not rounded to U.S. Geological Survey standards.
EXTREMES FOR PERIOD OF RECORD - Prior to Oct. 1, 2008, maximum contents at 2400 hours, 3,536,000 acre-ft, June 4, 1973, gage height, 899.88 ft; minimum since initial storage began, 882,395 acre-ft, Sept. 7, 1977, gage height, 645.11 ft. Since Oct. 1, 2008, maximum contents, 3,539,315 acre-ft, June 25, 26, 2011, gage height, 900.11 ft.