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Water-Year Summary for Site USGS 11148900

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
00060 Discharge(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023
11148900 Nacimiento River below Sapaque Creek, near Bryson, CA
LOCATION - Lat 35°47'19", long 121°05'34" referenced to North American Datum of 1927, in SW 1/4 NE 1/4 sec.03, T.25 S., R.8 E., San Luis Obispo County, CA, Hydrologic Unit 18060005, on left bank, just downstream from Sapaque Creek, and 1.4 mi south of Bryson.
DRAINAGE AREA - 162 mi².
REVISIONS HISTORY - WDR CA-82-2: Drainage area.
PERIOD OF RECORD - October 1971 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 812.04 ft above NAVD of 1988.
REMARKS - No storage or diversion upstream from station. See schematic diagram of Salinas River Basin available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 57,600 ft³/s, Jan. 14, 1993, gage height, 32.14 ft, from rating curve extended above 7,900 ft³/s, on basis of slope-area measurement at gage height 32.00 ft, maximum gage height, 36.28 ft, Jan. 09, 2023; no flow for many days in each year.
PERIOD OF RECORD - Published as station 11148800 "near Bryson" in water years 1958-59, 1961-71.

SEDIMENT DATA: Water years 1972 to 2014.

WATER TEMPERATURE: October 1971 to September 1974.
SUSPENDED-SEDIMENT DISCHARGE: October 1971 to September 1974.

REMARKS - Highest streamflow discharge where zero bed-load movement was observed was 360 ft³/s during current year.