USGS Water-Year Summary 2024
11463682 Russian River at Jimtown, CA
LOCATION - Lat 38°39'30", long 122°49'42" referenced to North American Datum of 1927, Sonoma County, CA, Hydrologic Unit 18010110, in Sotoyome Land Grant, on downstream right bank side of Alexander Valley Road Bridge, 1.0 mi southwest of Jimtown, and 1.2 mi upstream of Sausal Creek.
DRAINAGE AREA - 684 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - July 2009 to current year. July 2009 to September 2015, low-flow records only.
GAGE - Water-stage recorder. Datum of gage is 143.70 ft above NAVD of 1988.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 44,500 ft³/s, Feb. 27, 2019, gage height, 34.35 ft.
WATER-QUALITY RECORDS
PERIOD OF RECORD -
CONTINUOUS WATER-QUALITY DATA:
DISSOLVED OXYGEN: Water years July 2009 to current year (seasonal records only).
pH: Water years July 2009 to current year (seasonal records only).
SPECIFIC CONDUCTANCE: Water years July 2009 to current year (seasonal records only).
WATER TEMPERATURE: Water years July 2009 to September 2015 (seasonal records only). October 2015 to current year.
TURBIDITY: Water years July 2009 to current year (seasonal records only).
INSTRUMENTATION - Water-quality monitor since July 2009. Groundwater monitor since October 2016. Electronic data logger with 15 minute interval.