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USGS Water-Year Summary 2024
11180960 Cull Creek above Cull Creek Reservoir, near Castro Valley, CA
LOCATION - Lat 37°43'04", long 122°03'12" referenced to North American Datum of 1927, Alameda County, CA, Hydrologic Unit 18050004, in San Lorenzo Grant, on left bank, 0.9 mi upstream from Cull Creek Dam, and 1.1 mi northeast of Castro Valley Post Office.
DRAINAGE AREA - 5.79 mi².
REVISIONS HISTORY - WDR CA-80-2: 1979 (peaks above base).
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1978 to current year.
PRECIPITATION DATA: Water year 1982.
WATER TEMPERATURE: Water years 1979-2003.
SEDIMENT DATA: Water years 1979-2003.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 283.60 ft above NAVD of 1988.
REMARKS - No storage or diversions upstream from station.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 1,690 ft³/s, Jan. 5, 1982, gage height, 8.71 ft; no flow for many days each year. Peak gage height, 10.12 ft, Dec. 31, 2022.
