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Water-Year Summary for Site USGS 11465680

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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 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
11465680 Laguna de Santa Rosa at Stony Point Road, near Cotati, CA
LOCATION - Lat 38°21'08", long 122°44'35" referenced to North American Datum of 1927, Sonoma County, CA, Hydrologic Unit 18010110, in Llano de Santa Rosa Grant, on right bank, upstream side of Stony Point Road bridge, 300 ft downstream from unnamed tributary, and 1.5 mi west of Rohnert Park.
DRAINAGE AREA - 40.8 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - November 1998 to current year.
GAGE - Water-stage recorder. Datum of gage is NGVD of 1929 and 1.86 ft above NAVD of 1988.
REMARKS - No regulation or diversion upstream from station. See schematic diagram of Russian River Basin available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 3,980 ft³/s, Dec. 31, 2005, gage height, 89.70 ft; no flow at times in several years.