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Water-Year Summary for Site 11466800

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
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Available Parameters
00010 Temperature, water(Min.,Max.,Mean)  
00060 Discharge(Mean)  
00095 Specific cond at 25C(Min.,Max.,Mean)  
63680 Turbidity, Form Neph(Min.,Max.,Med.)  

Water year 2019: 2018-10-01 to 2019-09-30

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USGS Water-Year Summary 2019
11466800 Mark West Creek near Mirabel Heights, CA
LOCATION - Lat 38°29'39", long 122°51'08" referenced to North American Datum of 1927, Sonoma County, CA, Hydrologic Unit 18010110, in Molinos Land Grant, on downstream side of bridge, on right bank, 0.7 mi north of Trenton, and 3.0 mi upstream of confluence of the Russian River.
DRAINAGE AREA - 251 mi².
PERIOD OF RECORD - October 2005 to September 2009, October 2009 to September 2010 (low-flow records only), October 2011 to current year. WATER TEMPERATURE: Water years 2006-08 (storm season only). SEDIMENT DATA: Water years 2006-08 (storm season only).
GAGE - Water-stage recorder. Elevation of gage is NGVD of 1929.
REMARKS - Backwater conditions from the Russian River can occur during high flow periods. No regulation upstream of station, some diversion for irrigation of about 11,000 acres. See schematic diagram of Russian River Basin available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 15,500 ft³/s, Feb. 28, 2019; maximum gage height, 72.62 ft February 27, 2019; minimum discharge, -830 ft³/s, Dec. 31, 2005, from backwater of the Russian River; no flow many days.
PERIOD OF RECORD - Continuous record Temperature: Nov 28, 2017-Apr 30, 2018; Specific Conductance: Nov 28, 2017-Apr 30, 2018; Turbidity: Nov 28, 2017-Apr 30, 2018.