USGS Water-Year Summary 2023
10173450 MAMMOTH CREEK ABOVE WEST HATCH DITCH, NEAR HATCH, UT
LOCATION - Lat 37°37'22", long 112°30'58" referenced to North American Datum of 1927, in SW 1/4 SE 1/4 NW 1/4 sec.03, T.37 S., R.6 W., Garfield County, UT, Hydrologic Unit 16030001, on left bank 0.5 mi upstream from West Hatch ditch diversion, 2.1 mi west of Spring Hollow, 4.5 mi upstream from mouth, and 5 mi southwest of Hatch.
DRAINAGE AREA - 105 mi².
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 1964 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 7,285.74 ft. above NAVD of 1988 from a Level II GNSS survey conducted on March 5, 2021.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 1,380 ft³/s, Jun 3, 2005, gage height, 5.89 ft, minimum, 0.40 ft³/s, Nov 29, Dec 4, 5, 8, 22, 23, 24, 25, 2002.