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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.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
09353800 LOS PINOS RIVER NEAR IGNACIO, CO
LOCATION - Lat 37°09'58", long 107°34'57" referenced to North American Datum of 1983, in NW 1/4 NW 1/4 sec.26, T.34 N., R.7 W., La Plata County, CO, Hydrologic Unit 14080101, on right bank 1.7 mi. downstream from Pine River Canal, 2.2 mi. upstream from Beaver Creek, and 5.2 mi. northeast of Ignacio.
DRAINAGE AREA - 340 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1999 to current year.
GAGE - Water-stage recorder with satellite telemetry and crest-stage gage. Elevation of gage is 6,630 ft above NGVD of 1929, from topographic map.
REMARKS - Water year 2014; records good except for estimated daily discharges, which are poor. Water year 2015; records fair except for estimated daily discharges, which are poor. Water year 2016; records fair except for estimated daily discharges, which are poor. Water year 2017; records fair except for estimated daily discharges, which are poor. Water year 2018; records fair except for estimated daily discharges, which are poor. Water year 2019; records fair 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 fair except for estimated daily discharges, which are poor. Flow regulated by Vallecito Reservoir (capacity 125,640 acre-ft) 14 mi upstream, since April 1941. Diversions for irrigation of about 2,040 acres upstream and about 40,040 acres downstream from the station. Diversion from irrigation can be up to 700 ft³/s. Some waste water is diverted to adjacent basins.
