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Water-Year Summary for Site 09354500

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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
09354500 LOS PINOS RIVER AT LA BOCA, CO
LOCATION - Lat 37°00'34", long 107°35'56" referenced to North American Datum of 1927, in NE 1/4 NW 1/4 sec.22, T.32 N., R.7 W., La Plata County, CO, Hydrologic Unit 14080101, on downstream end of right abutment of private bridge, at southeast edge of La Boca, 0.5 mi upstream from Spring Creek, and 2 mi upstream from maximum elevation of Navajo Reservoir.
DRAINAGE AREA - 519 mi².
REVISIONS HISTORY - WDR-US-2011: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1950 to current year. Monthly discharge only for some periods, published in WSP 1733.
GAGE - Water-stage recorder with satellite telemetry and crest-stage gage. Datum of gage is 6,143.58 ft above NGVD of 1929.
REMARKS - Water year 2014; records good except for estimated daily discharges, which are poor. Water year 2015; records good except for estimated daily discharges, which are poor. Water year 2016; records good except for estimated daily discharges, which are poor. Water year 2017; records good except for estimated daily discharges, which are poor. Water year 2018; records good except for estimated daily discharges, which are poor. Water year 2019; records good except for estimated daily discharges, which are poor. Water year 2020; records fair except for estimated daily discharges, which are poor. Water year 2021; records fair except for estimated daily discharges, which are poor.  Water year 2022; records fair except for estimated daily discharges, which are poor. Water year 2023; records good except for estimated daily discharges, which are poor. Flow regulated by Vallecito Reservoir (station 09353000, capacity 125,640 acre-ft) 24 mi upstream, since April 1941. Diversions for irrigation of about 55,000 acres upstream from station.
EXTREMES OUTSIDE PERIOD OF RECORD - A flood on Oct. 5, 1911 has not yet been exceeded.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 6,400 ft³/s, July 27, 1957, from rating curve extended above 5,100 ft³/s, gage height, 8.95 ft.