USGS Water-Year Summary 2021
09038500 WILLIAMS FORK BELOW WILLIAMS FORK RESERVOIR, CO
LOCATION - Lat 40°02'09.34", long 106°12'18.05" referenced to North American Datum of 1983, in NW 1/4 SE 1/4 sec.23, T.1 N., R.79 W., Grand County, CO, Hydrologic Unit 14010001, on left bank 400 ft downstream from Williams Fork Reservoir, 2.1 mi upstream from mouth, and 2.1 mi southwest of Parshall.
DRAINAGE AREA - 230 mi².
- WSP 2124: Drainage area.
PERIOD OF RECORD - October 1948 to September 1954, August 1958 to current year. Monthly discharge only for some periods, published in WSP 1313. Prior to October 1958, published as Williams River below Williams Fork Reservoir.
GAGE - Water-stage recorder with satellite telemetry, crest-stage gage, and concrete control. Datum of gage is 7,615.0 ft above NGVD of 1929, (Denver Board of Water Commissioners Datum). See WSP 1713 or 1733 for history of changes prior to Oct. 21, 1959.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 2,640 ft³/s, June 20, 1953, from rating curve extended above 1,500 ft³/s, gage height, 8.50 ft, site and datum then in use.