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Water-Year Summary for Site USGS 11466200

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00060 Discharge(Mean)  

Water year 2021: 2020-10-01 to 2021-09-30
 

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USGS Water-Year Summary 2021
11466200 Santa Rosa Creek at Santa Rosa, CA
LOCATION - Lat 38°26'12", long 122°43'25" referenced to North American Datum of 1927, Sonoma County, CA, Hydrologic Unit 18010110, in Cabeza de Santa Rosa Grant, on left bank, 10 ft downstream of Pierson Street Bridge, in Santa Rosa.
DRAINAGE AREA - 57 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - December 1939 to September 1941, October 2001 to current year (seasonal records only). Stage only October 2004 to May 2005.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 100.00 ft above NGVD of 1929.
REMARKS - Water is diverted from Santa Rosa Creek into Spring Lake, 5.9 mi upstream, during flood events beginning in 1965. Diversions upstream from station for irrigation of about 5,000 acres. See schematic diagram of Russian River Basin available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 9,080 ft³/s, Feb. 27, 1940, gage height, 19.2 ft from floodmarks, from rating curve extended above 5,000 ft³/s, site and datum then in use, maximum gage height, 40.35 ft, Dec. 31, 2005; minimum daily, no flow Oct. 1 to Dec. 7, 1939.