USGS Water-Year Summary 2023
09144250 GUNNISON RIVER AT DELTA, CO
LOCATION - Lat 38°45'11", long 108°04'40" referenced to North American Datum of 1927, in NW 1/4 NW 1/4 sec.13, T.15 S., R.96 W., Delta County, CO, Hydrologic Unit 14020005, in Confluence Park on left bank, 0.7 mi downstream from U.S. Highway 50 bridge at north edge of Delta.
DRAINAGE AREA - 5,636 mi².
- WDR-US-2011: Drainage area.
PERIOD OF RECORD - May 1976 to current year. Gage-height records collected at this site 1912-77 (flood seasons only) are in reports of the National Weather Service.
GAGE - Water-stage recorder with satellite telemetry and crest-stage gage. Elevation of gage is 4,910 ft above NGVD of 1929, from topographic map. Prior to May 1976 nonrecording gage at site 0.7 mi upstream at datum 4.52 ft higher. June 1, 1976 to Mar. 19, 1998, water-stage recorder at site 0.7 mi upstream at datum 4.52 ft higher.
EXTREMES OUTSIDE PERIOD OF RECORD - Maximum gage height observed, 13.5 ft, June 6, 1957, from National Weather Service wire-weight gage at site 0.7 mi upstream, at datum 4.52 ft higher (discharge not determined).