USGS Water-Year Summary 2021
11452500 Cache Creek at Yolo, CA
LOCATION - Lat 38°43'38", long 121°48'22" referenced to North American Datum of 1927, Yolo County, CA, Hydrologic Unit 18020116, in Rio Jesus Maria Grant, on left bank, 35 ft upstream from Interstate 5 bridge, 0.5 mi south of Yolo, and 7.3 mi downstream from Moore Dam.
DRAINAGE AREA - 1,139 mi².
- WSP 1315-A: 1914 (instantaneous maximum discharge). WSP 1345: 1906. WSP 1445: 1955. WSP 1931: Drainage area.
PERIOD OF RECORD - January 1903 to current year. Records for water year 1903 incomplete; yearly estimate published in WSP 1315-A.
GAGE - Water-stage recorder. Datum of gage is 3.14 ft below NAVD of 1988 as determined by GNSS survey in 2019. Datum of gage is subject to change due to subsidence. See WSP 2131 for history of changes prior to Apr. 25, 1969. Apr. 25, 1969, to July 1976, at site 765 ft upstream at same datum.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 41,400 ft³/s, Feb. 25, 1958, gage height, 85.35 ft, present datum, maximum stage observed, 86.4 ft, present datum, Mar. 10, 1904; no flow at times in most years.
PERIOD OF RECORD
DISCRETE WATER-QUALITY DATA:
CHEMICAL DATA: Water years 1958.
SEDIMENT DATA: Water years 1s959-65, 1967, 1986, 2008 to current year (periodic record, storm season only).
CONTINUOUS WATER-QUALITY DATA:
WATER TEMPERATURE: Water years January 1959 to May 1965, November 1966 to February 1967 (storm season only)
SUSPENDED-SEDIMENT DISCHARGE: Water years January 1959 to May 1965, November 1966 to February 1967, November 2012 to current year (storm season only).
TURBIDITY: Water years January 17, 2019 to current year (storm season only).
EXTREMES FOR PERIOD OF RECORD - SEDIMENT CONCENTRATION: Maximum daily mean, 7,520 mg/L, Jan. 6, 1965; minimum daily mean, no flow on many days each year.
SEDIMENT LOAD: Maximum daily, 593,000 tons, Jan. 6, 1965; minimum daily, 0 ton on many days most years.