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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
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USGS Water-Year Summary 2024
11148500 Estrella River near Estrella, CA
LOCATION - Lat 35°43'02", long 120°38'21" referenced to North American Datum of 1927, in NW 1/4 NW 1/4 sec.36, T.25 S., R.12 E., San Luis Obispo County, CA, Hydrologic Unit 18060004, in Mt. Diablo meridian, on left bank, 0.2 mi downstream from mouth of Ranchito Canyon, 1.9 mi northwest of Estrella, and 3.8 mi southeast of town of San Miguel.
DRAINAGE AREA - 922 mi². not including Carrizo Plains.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Water year 1955 to current year. October 1996 to September 2015 (only discharge measurements and annual peaks), October 2019 to current year (stage only). Site discontinued from November 25, 2019 to January 14, 2020. Prior to October 1960, published as "Estrella Creek near Estrella".
GAGE - Datum of gage is 671.59 ft above NGVD of 1929 and 673.40 ft above NAVD of 1988.
REMARKS - No regulation or diversion upstream from station. No flow many days each year year.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 32,500 ft 3/s, Feb. 24, 1969, gage height, 10.4 ft, from floodmarks, by slope-area measurement of peak flow; maximum gage height, 10.9 ft, Jan. 25, 1969, from floodmarks; no flow for several months in each year.
