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Water-Year Summary for Site 09408195

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
  • For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
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Available Parameters
00060 Discharge(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30

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USGS Water-Year Summary 2023
LOCATION - Lat 37°00'06", long 113°28'05" referenced to North American Datum of 1927, in NE 1/4 NE 1/4 SW 1/4 sec.31, T.43 S., R.14 W., Washington County, UT, Hydrologic Unit 15010009, on left bank 20 ft upstream of road crossing, 0.12 mi north of Arizona-Utah boundary, and about 10 mi southeast of St. George.
DRAINAGE AREA - 1,349 mi².
REVISIONS HISTORY - WDR UT-88-1: Drainage area. WDR UT-03-1: 2002(M). 
PERIOD OF RECORD - October 1984 to September 1989, May 2001 to September 2012; October 2013 to September 2014. Published as Fort Pierce Wash near St. George, October 1984 to September 1989.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 2,791.35 ft. above NAVD of 1988 from a Level II GNSS survey conducted on February 10, 2021.
REMARKS - Records generally fair except for estimated periods which are fair to poor.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 9,790 ft³/s, Aug 15, 2003, gage height, 12.17 ft, from rating curve extended above 500 ft³/s on basis of slope-area measurement of peak flow; no flow for extended periods most years.