USGS Water-Year Summary 2024
09113500 OHIO CREEK NEAR BALDWIN, CO
LOCATION - Lat 38°42'10.95", long 106°59'59.81" referenced to North American Datum of 1983, in sec.33, T.15 S., R.86 W., Gunnison County, CO, Hydrologic Unit 14020002, 600 ft upstream from county bridge, 800 ft downstream from Mill Creek, 5.5 mi southeast of Baldwin and 11 mi upstream from mouth.
DRAINAGE AREA - 121 mi².
REVISIONS HISTORY - WRD Colo. 1967: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - April 1940 to September 1950, October 1958 to September 1971, October 1979 to September 1981, May 2019 to current year. Monthly discharge only for some periods, published in WSP 1313.
GAGE - Water-stage recorder with satellite telemetry and crest-stage gage. Datum of gage is 8,212.48 ft above NAVD of 1988, from GNSS survey. Prior to Aug. 11, 2021, the elevation of gage was reported as 8,226 ft above NAVD of 1988, from digital map. Prior to Apr. 3, 1942, non-recording gage at present site and datum. Apr. 3, 1942 to Sept. 30, 1950, water-stage recorder at present site and datum.
EXTREMES OUTSIDE PERIOD OF RECORD - Floods in May 1952 and June 1957 reached a stage of 5.5 ft, from floodmarks (discharge about 1,500 cfs).
WATER-QUALITY RECORDS
PERIOD OF RECORD - October 2003 to November 2006 (discontinued).