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Water-Year Summary for Site 11160000

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Available Parameters
00060 Discharge(Mean)  

Water year 2019: 2018-10-01 to 2019-09-30
 

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USGS Water-Year Summary 2019
11160000 Soquel Creek at Soquel, CA
LOCATION - Lat 36°59'29", long 121°57'17" referenced to North American Datum of 1927, in NE 1/4 sec.10, T.11 S., R.1 W., Santa Cruz County, CA, Hydrologic Unit 18060015, on left bank, 0.2 mi upstream from highway bridge in town of Soquel, and 0.4 mi downstream from Bates Creek.
DRAINAGE AREA - 40.2 mi².
REVISIONS HISTORY - WSP 1715: Drainage area. WSP 2129: 1958, 1959-60 (peaks above base).
SURFACE-WATER RECORDS
PERIOD OF RECORD - May 1951 to current year. CHEMICAL DATA: Water years 1952-66, 1977. WATER TEMPERATURE: Water years 1966-79. SEDIMENT DATA: Water years 1976-77, 1990-93.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 21.38 ft above NGVD of 1929.
REMARKS - No regulation; many diversions upstream from station for irrigation.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Feb. 13, 1937, reached a discharge of 5,950 ft³/s, gage height, 12.6 ft, from floodmarks, from precipitation records and comparison with nearby streams. Flood of Nov. 18, 1950, reached a discharge of about 7,800 ft³/s, gage height about 15.33 ft, from rating curve extended above 2,900 ft³/s, on basis of slope-area measurement of peak flow at gage height 22.33 ft.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 15,800 ft³/s, Dec. 23, 1955, gage height, 22.33 ft, from rating curve extended above 2,900 ft³/s, on basis of slope-area measurement of peak flow; no flow at times in 1977, 1988, 1992-1995, and 2015.