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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
09165000 DOLORES RIVER BELOW RICO, CO
LOCATION - Lat 37°38'20", long 108°03'35" referenced to North American Datum of 1927, Dolores County, CO, Hydrologic Unit 14030002, on left bank at upstream side of Montelores bridge, northwest of State Highway 145 at Dolores-Montezuma County line, 0.5 mi upstream from Ryman Creek, and 4.0 mi southwest of Rico.
DRAINAGE AREA - 106 mi².
REVISIONS HISTORY - WDR-US-2011: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1951 to September 1996, October 1998 to current year.
GAGE - Water-stage recorder with satellite telemetry and crest-stage gage. Datum of gage is 8,422.23 ft above NGVD of 1929.
REMARKS - Water year 2014; records fair 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 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 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 poor. No diversion upstream from station.
EXTREMES OUTSIDE PERIOD OF RECORD - Greatest flood since at least 1885 occurred Oct. 5, 1911.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 2,170 ft³/s, May 24, 1984, from rating curve extended above 1,620 ft³/s, gage height, 5.95 ft.
