USGS Water-Year Summary 2021
09035900 SOUTH FORK WILLIAMS FORK NEAR LEAL, CO
LOCATION - Lat 39°47'45", long 106°01'48" referenced to North American Datum of 1927, in NE 1/4 sec.17, T.3 S., R.77 W., Grand County, CO, Hydrologic Unit 14010001, on left bank 800 ft upstream from county road bridge, 0.6 mi upstream from mouth, and 1.2 mi southeast of Leal.
DRAINAGE AREA - 27.4 mi².
- WDR CO-05-01: 1986. WDR-US-2011: Drainage area.
PERIOD OF RECORD - October 1965 to current year.
GAGE - Water-stage recorder with satellite telemetry and crest stage gage. Elevation of gage is 8,950 ft above NGVD of 1929, from topographic map.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 581 ft³/s, July 8, 2011, from rating curve extended above 300 ft³/s, gage height, 4.65 ft.