USGS Water-Year Summary for Site 11173200

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	Available Parameters
	00010 Temperature, water(Mean,Max.,Min.,Med.)
	00060 Discharge(Mean)
	80154 Suspnd sedmnt conc(Mean)
	80155 Suspnd sedmnt disch(Mean)

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

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USGS Water-Year Summary 2024

11173200 Arroyo Hondo near San Jose, CA

LOCATION - Lat 37°27'42", long 121°46'06" referenced to North American Datum of 1927, in NE 1/4 NE 1/4 sec.32, T.5 S., R.2 E., Santa Clara County, CA, Hydrologic Unit 18050004, on right bank, 150 ft upstream from road bridge, 3.5 mi southeast of Calaveras Dam, and 3.5 mi northeast of city limits of San Jose.

DRAINAGE AREA - 77.1 mi².

REVISIONS HISTORY -

SURFACE-WATER RECORDS

PERIOD OF RECORD - October 1968 to September 1981, October 1994 to current year.

GAGE - Water-stage recorder. Datum of gage is 783.86 ft above NGVD of 1929 and 786.83 ft above NAVD of 1988.

REMARKS - No regulation or diversion upstream from station.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 9,150 ft³/s, Dec. 31, 2022, Maximum gage height, 15.85 ft, Feb. 3, 1998; minimum daily, 0.07 ft³/s, Aug. 1-3, 2014 and Sep. 16-17, 2014.

WATER-QUALITY RECORDS

PERIOD OF RECORD -

DISCRETE WATER-QUALITY DATA:
CHEMICAL DATA: Water years 1977.
SEDIMENT DATA: Water years March 2021 to current year (storm season only).

CONTINUOUS WATER-QUALITY DATA:
WATER TEMPERATURE: Water years September 2008 to current year.
SPECIFIC CONDUCTANCE: Water years March 2021 to current year (storm season only).
pH: Water years March 2021 to current year (storm season only).
DISSOLVED OXYGEN: Water years March 2021 to current year (storm season only).
TURBIDITY: Water years March 2021 to current year (storm season only).
FLUORESCENT DISSOLVED ORGANIC MATTER: Water years March 2021 to current year (storm season only).
SUSPENDED-SEDIMENT DISCHARGE: Water years March 2021 to current year (storm season only).

INSTRUMENTATION - Water-temperature recorder since September 2008.

REMARKS - No regulation or diversion upstream from station.