USGS Water-Year Summary 2023
10242000 COAL CREEK NEAR CEDAR CITY, UT
LOCATION - Lat 37°40'20", long 113°02'02" referenced to North American Datum of 1927, in SE 1/4 SE 1/4 NE 1/4 sec.13, T.36 S., R.11 W., Iron County, UT, Hydrologic Unit 16030006, on right bank 1.2 mi east of Cedar City, and 3.7 mi downstream from the mouth of Right Hand Creek.
DRAINAGE AREA - 80.9 mi².
REVISIONS HISTORY - WSP 1714: Drainage area.
SURFACE-WATER RECORDS
PERIOD OF RECORD - May to September 1915 (gage heights and discharge measurements only), October 1915 to July 1916, September 1916 to July 1918, September 1918 to November 1919, May 1935 to September 1937, April 1938 to current year. Records prior to November 1919 exclude flow of power canal; records would be equivalent if flow in canal were added.
GAGE - Water-stage recorder and crest-stage gage. Concrete control since July 1972, rebuilt July 29, 1988. Datum of gage is 5,983.01 ft. above NAVD of 1988 from a Level II GNSS survey conducted on February 11, 2021. Prior to March 30, 1939, nonrecording gages. March 30, 1939 to May 14, 1945, water-stage recorder at several sites about 0.5 mi upstream at various datums. May 15, 1945 to October 10, 1951 and May 4 to July 2, 1952, water-stage recorder at site 2 mi upstream at different datum. July 3, 1952 to November 17, 1967, water-stage recorder at site 600 ft upstream at different datum.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 4,620 ft³/s, Jul 23, 1969, gage height, 11.67 ft, from flood-mark, based on slope-area measurement of Jul 16, 1967 and applied to site and datum now in use; minimum, 0.3 ft³/s, Nov 5, 14, 17, 26, 1959, Feb 17, 1960, Feb 24, 1961.