USGS Water-Year Summary 2024
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.
SURFACE-WATER RECORDS
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 and 366.52 ft above NAVD of 1988. 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.
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, 0.34 ft³/s, Sept. 10, 2022.