USGS Water-Year Summary 2021
11370000 Shasta Lake near Redding, CA
LOCATION - Lat 40°43'08", long 122°25'12" referenced to North American Datum of 1927, in SE 1/4 NW 1/4 sec.15, T.33 N., R.5 W., Shasta County, CA, Hydrologic Unit 18020005, in Shasta Dam on Sacramento River, near right bank, 2 mi downstream from Squaw Creek, and 9.5 mi north of Redding.
DRAINAGE AREA - 6,421 mi², excluding Goose Lake Basin.
PERIOD OF RECORD - November 1942 to current year. Prior to 1950, published as "Shasta Reservoir near Redding."
CHEMICAL DATA: Water years 1978-80.
GAGE - Water-stage recorder. Datum of gage is NGVD of 1929 (levels by U.S. Bureau of Reclamation). Prior to July 10, 1944, nonrecording gage at various sites near dam at same datum. Contents based on capacity table dated May 8, 1967, provided by U.S. Bureau of Reclamation.
COOPERATION - Records were provided by U.S. Bureau of Reclamation, not rounded to U.S. Geological Survey standards.
EXTREMES FOR PERIOD OF RECORD - (at 2400 hours) Maximum contents, 4,550,300 acre-ft, May 19, 1967, elevation, 1,066.94 ft; minimum since first filling, 562,600 acre-ft, Sept. 13, 1977, elevation, 836.68 ft.