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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
11262900 Mud Slough near Gustine, CA
LOCATION - Lat 37°15'45", long 120°54'20" referenced to North American Datum of 1927, in SE 1/4 SE 1/4 sec.06, T.8 S., R.10 E., Merced County, CA, Hydrologic Unit 18040001, in Kesterson National Wildlife Refuge, on right bank at footbridge, 400 ft northwest of terminus of San Luis Drain, and 5.2 mi east of Gustine.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1985 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 60.75 ft above NAVD of 1988.
REMARKS - During major storm events record can be affected by backwater from the San Joaquin River. Discharge is affected by irrigation return and drainage from Kesterson Wildlife Refuge.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 1,060 ft³/s, Feb. 8, 1998, gage height, 11.11 ft, maximum gage height, 12.03 ft, Jan. 28, 1997; no flow many days in water year 2015.
WATER-QUALITY RECORDS
PERIOD OF RECORD -
DISCRETE WATER-QUALITY DATA:
CHEMICAL DATA: Water years 1985-88, 1993-94, 1999, 2001-02, 2015-17.
SEDIMENT DATA: Water years 1985-88, 1993-94, 1999, 2001-02.
CONTINUOUS WATER-QUALITY DATA:
SPECIFIC CONDUCTANCE: Water years November 1985 to current year. (1985-2023, daily).
WATER TEMPERATURE: Water years November 1985 to current year. (1985-2023, daily).
INSTRUMENTATION - Water quality monitor since November, 1985.
REMARKS - Data for the period October 1985 to March 1987 are available in U.S. Geological Survey Open-File Report 88-479. Data for the period April 1987 to September 1988 are available in U.S. Geological Survey Open-File Report 91-74. Maximum and minimum values are affected by the drainage of holding ponds located immediately upstream and the terminus of San Luis Drain 400 ft upstream from the station.
