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Water-Year Summary for Site 11152000

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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
11152000 Arroyo Seco near Soledad, CA
LOCATION - Lat 36°16'50", long 121°19'18" referenced to North American Datum of 1927, in SW 1/4 NE 1/4 sec.16, T.19 S., R.6 E., Monterey County, CA, Hydrologic Unit 18060005, on right bank, under county road bridge, 1.5 mi downstream from Vaquero Creek, and 10 mi south of Soledad.
DRAINAGE AREA - 244 mi².
REVISIONS HISTORY - WSP 881: 1902-09 (yearly summary only). WSP 1565: 1916-19, 1920-21 (instantaneous maximum discharge), 1922, 1926-27, 1928-30 (instantaneous maximum discharge), 1932, 1934, 1936 (instantaneous maximum discharge). WSP 1715: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - November 1901 to current year. Records for water year 1902 incomplete; yearly estimate published in WSP 1315-B.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 345.23 ft above NAVD of 1988. Prior to June 16, 1929, nonrecording gage, and June 16, 1929, to Dec. 2, 1941, water-stage recorder at site 1 mi upstream at different datum. Dec. 3, 1941, to Sept. 30, 1959, water-stage recorder at datum 2.00 ft higher. Jan. 30 to Mar. 26, 1969, nonrecording gage at bridge at same datum.
REMARKS - No regulation or large diversion upstream from station. Low flows affected by upstream gravel mining and irrigation during summer months as well as beaver activity throughout the reach. See schematic diagram of Salinas River Basin available from the California Water Science Center.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 30,700 ft³/s, Jan. 09, 2023, gage height, 16.78 ft; no flow for many days in each year.