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Water-Year Summary for Site USGS 11421000

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Available Parameters
00060 Discharge(Mean)  

Water year 2022: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2022
11421000 Yuba River near Marysville, CA
LOCATION - Lat 39°10'33", long 121°31'26" referenced to North American Datum of 1927, Yuba County, CA, Hydrologic Unit 18020125, in New Helvetia Grant, on left bank, 4.2 mi northeast of Marysville, and 5 mi downstream from Dry Creek.
DRAINAGE AREA - 1,339 mi².
REVISIONS HISTORY - WSP 1715: 1956 (instantaneous maximum discharge). WSP 1931: Drainage area. WDR CA-99-4: 1997 (instantaneous maximum discharge).
PERIOD OF RECORD - October 1940 to current year (prior to October 1943, low-water periods only). Published as "at Marysville" October 1940 to September 1957. Separate records published for two sites August 1954 to September 1955. Yearly discharge for the water year 1945 published in WSP 1315-A. CHEMICAL DATA: Water years 1951-52, 1973-80. Published as "Yuba River at Marysville" (station 11421500) water years 1966, 1973-76. WATER TEMPERATURE: Water years 1964-65, 1973-78, 1990-2003.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 2.95 ft below NGVD of 1929. Prior to August 1954, and Oct. 1, 1956, to Sept. 30, 1957, at Simpson Lane Bridge in Marysville, 4.2 mi downstream, at same datum. Sept. 3, 1963, to Sept. 23, 1968, auxiliary water-stage recorder at Simpson Lane Bridge at same datum.
REMARKS - Flow regulated by New Bullards Bar Reservoir since January 1969, and several other reservoirs. Many diversions upstream from station for power and for irrigation. See schematic diagrams of South Yuba River Basin and lower Sacramento River Basin available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge (water year 1944 and since 1947), 180,000 ft³/s, Dec. 22, 1964, gage height, 90.15 ft, from floodmarks, from rating curve extended above 91,000 ft³/s, on basis of U.S. Army Corps of Engineers flood-routing study, maximum gage height, 91.64 ft, from floodmarks, Jan. 2, 1997; minimum recorded, 10 ft³/s, July 2, 1959.