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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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USGS Water-Year Summary 2024
11170000 COYOTE C NR MADRONE CA
LOCATION - Lat 37°10'06", long 121°38'55" referenced to North American Datum of 1927, Santa Clara County, CA, Hydrologic Unit 18050003, in La Laguna Seca Grant, at right bank, 1.2 mi downstream from Anderson Dam, and 1.7 mi northeast of Madrone.
DRAINAGE AREA - 196 mi².
REVISIONS HISTORY - WSP 1345: 1932, 1935(M). WSP 1929: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1902 to September 1912, December 1916 to September 1987, February 2022 to current year. Records for water years 1917-19 incomplete, yearly estimates published in WSP 1315-B. Published as Coyote River near Madrone 1902-12, 1916-26.
GAGE - Water-stage recorder and concrete control. Datum of gage is 371.79 ft above NAVD of 1988. Prior to Mar. 1, 1950, nonrecording gage and water-stage recorders at various sites within 1.4 mi upstream at different datums.
REMARKS - Flow regulated by Coyote Lake, capacity, 23,700 acre-ft and by Anderson Lake, capacity, 91,280 acre-ft. Water is diverted to Main Avenue percolation ponds by Santa Clara Valley Water District.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 25,000 ft³ /s, probably Mar. 7, 1911 (record furnished by Duryea, Haehl, and Gilman); no flow at times.
WATER-QUALITY RECORDS
PERIOD OF RECORD -
CONTINUOUS WATER-QUALITY DATA:
WATER TEMPERATURE: April 2022 to current year.
TURBIDITY: April 2022 to current year.
SEDIMENT DATA: April 2022 to current year.
