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Water-Year Summary for Site USGS 11376000

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Available Parameters
00060 Discharge(Mean)  

Water year 2021: 2020-10-01 to 2021-09-30

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USGS Water-Year Summary 2021
11376000 Cottonwood Creek near Cottonwood, CA
LOCATION - Lat 40°23'14", long 122°14'15" referenced to North American Datum of 1927, in NE 1/4 NE 1/4 sec.07, T.29 N., R.3 W., Shasta County, CA, Hydrologic Unit 18020152, on right bank, 0.3 mi upstream from unnamed tributary, 2.2 mi east of Cottonwood, and 2.5 mi upstream from mouth.
DRAINAGE AREA - 927 mi².
REVISIONS HISTORY - WSP 1345: 1943, 1944 (instantaneous maximum discharge), 1946-47, 1949 (instantaneous maximum discharge), 1951-52. WSP 1931: Drainage area.
PERIOD OF RECORD - October 1940 to current year. CHEMICAL DATA: Water years 1982-85. WATER TEMPERATURE: Water years 1963-67, 1977-85. SEDIMENT DATA: Water years 1957-67, 1977-85.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 363.80 ft above NGVD of 1929 (levels by U.S. Army Corps of Engineers). Prior to July 26, 1963, on right bank at datum 3.59 ft higher. July 26, 1963, to Sept. 13, 1972, at site 250 ft downstream on right bank at present datum. Sept. 21, 1967, to Jan. 14, 1968, supplementary gage at a site 1,450 ft downstream on right bank at datum 2.35 ft higher. Since Dec. 7, 1998, auxiliary water-stage recorder on right bank from base gage at same datum.
REMARKS - Small diversions for irrigation upstream from station. At times during irrigation season, Cottonwood Creek receives water from the Sacramento River by way of Anderson-Cottonwood Irrigation District Canal. See schematic diagrams of upper Sacramento River Basin and Battle Creek and Cow Creek Basins available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 86,000 ft³/s, Mar. 1, 1983, gage height, 21.59 ft, from rating curve extended above 34,000 ft³/s, on basis of runoff comparisons with upstream stations then in use; minimum daily discharge, 12 ft³/s, a few days during July and October 2021.