USGS Water-Year Summary 2019
11426000 Sacramento Weir Spill to Yolo Bypass, near Sacramento, CA
LOCATION - Lat 38°36'25", long 121°33'15" referenced to North American Datum of 1927, Sacramento County, CA, Hydrologic Unit 18020161, unsurveyed, in Mt. Diablo meridian, on right bank, 100 ft upstream from weir, 1 mi northwest of town of Bryte, 3.2 mi upstream from American River, 4 mi northwest of Sacramento, and 4.2 mi upstream from Sacramento.
PERIOD OF RECORD - October 1939 to current year. Monthly discharge only for water years 1940-51, published in WSP 1735. Published as "Sacramento Weir near Sacramento" 1939-61. Gage-height records collected at same site February 1926 to September 1934 and major flood flows only October 1934 to September 1939 are contained in reports of California Department of Water Resources.
GAGE - Water-stage recorder and concrete weir crest. Datum of gage is 3.00 ft below NGVD of 1929. October 1939 to September 1942, October 1959 to September 1963, water-stage recorder or nonrecording gage at downstream end of weir. October 1942 to September 1959, water-stage recorder on left bank of Sacramento River opposite center of weir. February 1963 to September 1985, water-stage recorder on right bank of Sacramento River 100 ft downstream from end of weir.
COOPERATION - Records provided by California Department of Water Resources; not reviewed by the U.S. Geological Survey.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 128,000 ft³/s, Feb. 20, 1986, gage height, 30.84 ft, maximum gage height, 33.01 ft, Dec. 23, 1955; no flow all or most of each year.