USGS Water-Year Summary 2020
11453000 Yolo Bypass near Woodland, CA
LOCATION - Lat 38°40'40", long 121°38'35" referenced to North American Datum of 1927, Yolo County, CA, Hydrologic Unit 18020163, unsurveyed, on left bank, 300 ft upstream from Sacramento and Woodland Railroad Bridge, 6 mi upstream from Sacramento Bypass, 6 mi downstream from Fremont Weir, and 7 mi east of Woodland.
DRAINAGE AREA - Drainage area below gage 11452500, Cache Creek at Yolo, CA, is indeterminate.
- WDR CA-96-4: 1995 (instantaneous maximum discharge).
PERIOD OF RECORD - October 1939 to current year (since October 1977, high flows only). Monthly discharge only for some periods, published in WSP 1315-A.
GAGE - Water-stage recorder. Datum of gage is 3.41 ft below NGVD of 1929. Prior to Dec. 17, 1941, nonrecording gage, and Dec. 18-31, 1941, water-stage recorder, at datum 0.73 ft higher. Prior to Sept. 30, 1977, a supplementary water-stage recorder 6 mi downstream at different datum recorded low flow.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 374,000 ft³/s, Feb. 20, 1986, gage height, 34.87 ft; no flow at times in several years.
PERIOD OF RECORD
DISCRETE WATER-QUALITY DATA:
WATER TEMPERATURE: Water years 1980, December 2010 to 2013 (storm season only), October 2014 to current year (full year).
SEDIMENT DATA: Water years 1980, December 2010 to current year (storm season only), October 2014 to current year (full year). TURBIDITY: Water years October 2016 to September 2017.
CONTINUOUS WATER-QUALITY DATA:
WATER TEMPERATURE: Water years December 1979 to March 1980, October 2014 to current year.
SUSPENDED-SEDIMENT DISCHARGE: Water years December 1979 to March 1980, October 2014 to current year.
TURBIDITY: Water years May 2017 to current year.
INSTRUMENTATION - Water-temperature recorder December 1979 to March 1980, October 2014 to current year. TURBIDITY: October 2016 to September 2017.