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USGS Water-Year Summary 2024
11151300 San Lorenzo Creek below Bitterwater Creek, near King City, CA
LOCATION - Lat 36°16'05", long 121°03'55" referenced to North American Datum of 1927, in NE 1/4 NE 1/4 sec.23, T.19 S., R.8 E., Monterey County, CA, Hydrologic Unit 18060005, on left bank, 1.3 mi downstream from Bitterwater Creek, 5 mi northeast of King City, and 10 mi upstream from mouth.
DRAINAGE AREA - 233 mi².
REVISIONS HISTORY -
WDR CA-85-2: 1969-84 (instantaneous maximum discharge); WDR CA-2002-2: Datum.
Revision: The maximum discharge for water year 2020 was revised on Aug. 20, 2021, based on changes to the stage-discharge rating.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1958 to November 2014, February 17, 2015 to current year.
CHEMICAL DATA: Water year 1977.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 429.32 ft above NAVD of 1988. October 1958 to Apr. 24, 1967, at site 500 ft upstream at datum 5.16 ft higher. Apr. 25, 1967, to May 23, 1972, at site 200 ft upstream at datum 0.16 ft higher. May 23, 1972, to May 21, 1975, at site 200 ft upstream at datum 0.06 ft higher. May 21, 1975, to July 12, 1981, at site 200 ft upstream at same datum.
REMARKS - No regulation; small diversions upstream from station by ranchers and sand-processing plant. Site is subject to extensive scour and fill, as well as heavy vegetation growth throughout the channel. See schematic diagram of Salinas River Basin available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 11,500 ft³/s, Jan. 25, 1969, gage height, 15.33 ft, in gage well, 16.2 ft, from floodmarks, from rating curve extended above 7,100 ft³/s, on basis of slope-area measurement of peak flow; no flow many days some years.
