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USGS Water-Year Summary 2024
11464000 Russian River near Healdsburg, CA
LOCATION - Lat 38°36'48", long 122°50'07" referenced to North American Datum of 1927, Sonoma County, CA, Hydrologic Unit 18010110, in Sotoyome Grant, on left bank, 2 mi east of Healdsburg, and 3.5 mi upstream from Dry Creek.
DRAINAGE AREA - 793 mi².
REVISIONS HISTORY - WSP 981: 1942. WSP 1929: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1939 to current year. Monthly discharge only for some periods, published in WSP 1315-B.
CHEMICAL DATA: Water years 1951-66, 1980.
WATER TEMPERATURE: Water years 1966-2002.
GAGE - Water-stage recorder. Datum of gage is 77.01 ft above NGVD of 1929 and 79.98 ft above NAVD of 1988.
REMARKS - Several diversions for irrigation of about 17,800 acres upstream from station. Flow also affected by diversion into basin (see REMARKS for East Fork Russian River stations) and since November 1958 by storage in Lake Mendocino, 63 mi upstream. See schematic diagram of Russian River Basin available from the California Water Science Center.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Dec. 11, 1937, reached a stage of 30.8 ft, from floodmarks.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 73,000 ft³/s, Jan. 9, 1995, gage height, 26.23 ft, maximum gage height, 30.0 ft, Feb. 28, 1940; minimum daily discharge, 12 ft³/s, June 14, 1988.
