USGS Water-Year Summary 2021
09085000 ROARING FORK RIVER AT GLENWOOD SPRINGS, CO
LOCATION - Lat 39°32'48.00", long 107°19'51.00" referenced to North American Datum of 1983, in NE 1/4 SW 1/4 sec.09, T.6 S., R.89 W., Garfield County, CO, Hydrologic Unit 14010004, on left bank at Glenwood Springs, 1,000 ft upstream from mouth. Prior to May 21, 2021, at site 700 ft upstream, at different datum (REVISED).
DRAINAGE AREA - 1,453 mi².
- WDR-US-2011: Drainage area.
PERIOD OF RECORD - October 1905 to September 1909, September 1910 to current year. Monthly discharge only for some periods, published in WSP 1313. Prior to October 1960, published as Roaring Fork at Glenwood Springs. Statistical summary computed for 1972 to current year.
GAGE - Water-stage recorder with satellite telemetry and crest-stage gage. Datum of gage is 5,720.053 ft above NAVD of 1988, from a digital map. Altitude of gage is 5,720.73 ft above NGVD of 1929, from topographic map. Prior to Nov. 20, 1915, nonrecording gage on highway bridge 800 ft downstream, at different datum. Nov. 20, 1915 to Oct. 26, 1917, nonrecording gage at present site and datum. Prior to May 21, 2021, at site 700 ft upstream, at different datum (REVISED).