USGS Water-Year Summary 2022
09177000 SAN MIGUEL RIVER AT URAVAN, CO
LOCATION - Lat 38°21'26", long 108°42'44" referenced to North American Datum of 1927, in SW 1/4 NE 1/4 sec.02, T.47 N., R.17 W., Montrose County, CO, Hydrologic Unit 14030003, on right bank 20 ft downstream from bridge on State Highway 141, 400 ft downstream from Tabeguache Creek, and 1.5 mi southeast of Uravan.
DRAINAGE AREA - 1,500 mi².
- WDR-US-2011: Drainage area.
PERIOD OF RECORD - August 1954 to September 1962, October 1973 to September 1994, August 1996 to current year.
GAGE - Water-stage recorder with satellite telemetry and crest-stage gage. Elevation of gage is 5,000 ft above NGVD of 1929, from topographic map. Prior to Sept. 3, 1959, at site 0.5 mi downstream at different datum.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Sept. 6, 1970, reached a stage of 12.6 ft, from floodmarks, discharge, 8,910 ft³/s, by slope-area measurement at site 5.5 mi downstream.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 8,050 ft³/s, May 10, 1983, from rating curve extended above 4,100 ft³/s, gage height, 10.14 ft.