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Water-Year Summary for Site 11299997

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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.
  • For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
  • For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
  • Not all sites have reports available for every water year.
Available Parameters
00010 Temperature, water(Max.,Min.,Mean)  

Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023
11299997 Stanislaus River below Tulloch Powerplant, near Knights Ferry, CA
LOCATION - Lat 37°52'34", long 120°36'15" referenced to North American Datum of 1927, Tuolumne County, CA, Hydrologic Unit 18040010, in Rancheria del Rio Estanislao Grant, at downstream side of Tulloch Dam, and 5.2 mi northeast of Knights Ferry.
DRAINAGE AREA - 980 mi².

WATER TEMPERATURE: Water years June 1972 to current year.

INSTRUMENTATION - Thermistor equipped water-quality recorder since June 1972.
REMARKS - Water-temperature records for 2014 rated excellent. Records for 2015 rated excellent except for some days which were rated good. Records for 2016 are rated excellent. Water temperature is affected by regulation from Tulloch Powerplant. Beginning in 2017 water year, we no longer rate water quality records.