USGS Water-Year Summary 2024

09299500 WHITEROCKS RIVER NEAR WHITEROCKS, UT

LOCATION - Lat 40°35'37", long 109°55'54" referenced to North American Datum of 1927, in SE 1/4 SW 1/4 SW 1/4 sec.06, T.2 N., R.1 E., Uintah County, UT, Hydrologic Unit 14060003, on right bank, 3.2 mi upstream from U.S. Forest Boundary, and 9.6 mi northeast of Whiterocks.

DRAINAGE AREA - 109 mi².

SURFACE-WATER RECORDS

PERIOD OF RECORD - September 1899 to December 1903, April to December 1907, March 1908 to November 1910, October 1913 to current year. Monthly discharge only for some periods, published in WSP 1313. Published as Whiterocks River in Canyon, 1899, and as Whiterocks Creek near Whiterocks, 1918-25. November 1917 to June 1921 United States Whiterocks Canal diverted above station (records equivalent if flow of Whiterocks Canal is included).

GAGE - Water-stage recorder and crest-stage gage. Elevation of gage is 7,200 ft above NGVD 0f 1929, from topographic map. Prior to October 16, 1930, nonrecording gages at several sites within 2 mi of present site at various datums. October 16, 1930 to November 26, 1984, water-stage recorder at various sites and datums about 3 mi downstream.

REMARKS - Flow slightly regulated by dams and gates on small headwater lakes. Records are fair except for estimated daily discharges, which are poor.

EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 5,470 ft³/s, May 23, 2005, gage height, 6.92 ft; minimum, 4.9 ft³/s, Mar. 30, 1991.