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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
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USGS Water-Year Summary 2024
11374000 Cow Creek near Millville, CA
LOCATION - Lat 40°30'18", long 122°13'55" referenced to North American Datum of 1927, in NE 1/4 NW 1/4 sec.32, T.31 N., R.3 W., Shasta County, CA, Hydrologic Unit 18020151, on right bank, 2.9 mi upstream from mouth, 4.2 mi southwest of Millville, and 4.3 mi downstream from Little Cow Creek.
DRAINAGE AREA - 425 mi².
REVISIONS HISTORY - WSP 1931: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1949 to current year.
CHEMICAL DATA: Water years 1959-66.
WATER TEMPERATURE: Water years 1966-71, 1973-76, 1978-79.
SEDIMENT DATA: Water year 1978.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 387.66 ft above NAVD of 1988. Prior to June 11, 1987, at datum 3.00 ft higher.
REMARKS - Numerous small diversions upstream from station for irrigation. See schematic diagrams of upper Sacramento River Basin and Battle Creek and Cow Creek Basins available from the California Water Science Center.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of 1937 or 1940 reached a stage of 26.8 ft from floodmarks, present datum; probable backwater effect from high flows on the Sacramento River.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 48,700 ft³/s, Nov. 16, 1981, gage height, 24.22 ft, present datum; maximum gage height, 24.55 ft, Dec. 27, 1951, present datum; minimum daily, 0.01 ft³/s, July 23, 2021.
