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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.
USGS Water-Year Summary 2024
11224000 Middle Fork San Joaquin River near Mammoth Lakes, CA
LOCATION - Lat 37°37'55", long 119°05'11" referenced to North American Datum of 1983, Madera County, CA, Hydrologic Unit 18040006, unsurveyed, on left bank, at Devil's Postpile, 0.1 mi east of State Route 203, and 5.5 mi west of Mammoth Lakes.
DRAINAGE AREA - 43.8 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 2009 to current year. Prior to October 2010, seasonal records only.
GAGE - Water-stage recorder. Datum of gage is 7,569.50 ft above NAVD of 1988.
REMARKS -
EXTREMES FOR PERIOD OF RECORD - Since October 2010, Maximum discharge, 2,800 ft³/s, Oct. 30, 2016, gage height, 7.68 ft; minimum daily, 3.4 ft³/s, Oct. 26-30, 2014.
WATER-QUALITY RECORDS
PERIOD OF RECORD - WATER TEMPERATURE: October 2021 to current year.
