USGS Water-Year Summary 2024
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).
SURFACE-WATER RECORDS
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 0.76 ft above NAVD of 1988. 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.
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.