USGS Water-Year Summary for Site USGS 11261100

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	Available Parameters
	00010 Temperature, water(Mean,Min.)
	00060 Discharge(Mean)
	00095 Specific cond at 25C(Mean,Max.,Min.,Med.)

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Water year 2024: 2024-10-01 to 2025-09-30

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USGS Water-Year Summary 2024

11261100 Salt Slough at Highway 165, near Stevinson, CA

LOCATION - Lat 37°14'52", long 120°51'04" referenced to North American Datum of 1927, in SE 1/4 SE 1/4 sec.10, T.8 S., R.10 E., Merced County, CA, Hydrologic Unit 18040001, on right bank, at bridge on Highway 165, and 5.5 mi south of Stevinson.

DRAINAGE AREA - Indeterminate.

REVISIONS HISTORY -

Revisions to time-series data are documented here. Any revisions to discrete measurements are noted below.

SURFACE-WATER RECORDS

PERIOD OF RECORD - Water years 1986-94. October 1995 to current year.

GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 1.61 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. Maximum peak flow and maximum peak stage for Feb. 20, 1986 are unknown.

EXTREMES FOR PERIOD OF RECORD - Maximum daily discharge, 810 ft³/s (estimated), Feb. 20, 1986; minimum daily, 1.3 ft³/s, Sept. 5, 2015.

WATER-QUALITY RECORDS

PERIOD OF RECORD -

DISCRETE WATER-QUALITY DATA:
CHEMICAL DATA: Water years 1985-88, 1993-94, 2001.
SEDIMENT DATA: Water years 1983-88, 1993-94.

CONTINUOUS WATER-QUALITY DATA:
SPECIFIC CONDUCTANCE: Water years September 1985 to September 1994, October 1995 to current year. (water years1985-2023, daily).
WATER TEMPERATURE: Water years September 1985 to September 1994, October 1995 to current year. (water years 1985-2023, daily).

INSTRUMENTATION - Water quality monitor from September 1985 to September 1994, and since October 1995.

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.

EXTREMES FOR PERIOD OF DAILY RECORD - SPECIFIC CONDUCTANCE: Maximum recorded, 4,330 microsiemens per centimeter at 25°C, Jan. 16, 1991; minimum recorded, 450 microsiemens per centimeter at 25°C, July 24, 1986. WATER TEMPERATURE: Maximum recorded, 34.5°C, July 21, 2015; minimum recorded, 0.5°C, Dec. 26, 1985, Dec. 23, 1990.