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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 2025
09085100 COLORADO RIVER BELOW GLENWOOD SPRINGS, CO
LOCATION - Lat 39°33'18", long 107°20'13" referenced to North American Datum of 1927, in NW 1/4 NW 1/4 sec.09, T.6 S., R.89 W., Garfield County, CO, Hydrologic Unit 14010005, on left bank 0.6 mi. downstream from Roaring Fork River, and 1.0 mi. northwest of Post Office in Glenwood Springs.
DRAINAGE AREA - 6,014 mi².
REVISIONS HISTORY - WDR-US-2011: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1966 to current year.
GAGE - Water-stage recorder with satellite telemetry and crest-stage gage. Datum of gage is 5,705.42 ft above NAVD of 1988, from GNSS survey. Prior to Aug. 2, 2021, the datum of gage was reported as 5,700.75 ft above NGVD of 1929, Colorado State Highway Department benchmark.
REMARKS - Water year 2014; records good except for estimated daily discharges, which are poor. Water year 2015; no estimated daily discharges. Records good. Water year 2016; no estimated daily discharges. Records good. 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; no estimated daily discharges. Records good. Water year 2020; no estimated daily discharges. Records good. Water year 2021; records good except for estimated daily discharges, which are fair. Water year 2022; records good except for estimated daily discharges, which are poor. Water year 2023; records good except for estimated daily discharges, which are poor. Water year 2024; records good except for estimated daily discharges, which are poor. Natural flow of stream affected by transmountain diversions, storage reservoirs, power development, and diversions for irrigation of about 110,000 acres.
