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Water-Year Summary for Site 09413900

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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.
  • For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
  • For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
  • Not all sites have reports available for every water year.
Available Parameters
00060 Discharge(Mean)  

Water year 2021: 2021-10-01 to 2022-09-30

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USGS Water-Year Summary 2021
LOCATION - Lat 37°28'12", long 114°02'45" referenced to North American Datum of 1927, in NW 1/4 SW 1/4 NW 1/4 sec.24, T.38 S., R.20 W., Washington County, UT, Hydrologic Unit 15010010, on left bank 0.4 mi downstream from Nevada-Utah State line and about 19 mi southwest of Enterprise.
REVISIONS HISTORY - The maximum instantaneous discharge for WY 2019 was revised on Feb 9, 2021. The computed discharge record for the period from Oct 10, 2018 until Mar 14, 2019 was revised on Feb 9, 2021 based on a change to the starting date of stage-discharge Rating 14.0. The computed discharge record was revised from May 30, 2019 to Jul 23, 2019 on Feb 9, 2021 based on a change to an applied shift to Rating 14.0. 
PERIOD OF RECORD - October 1991 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 4740.53 ft above NAVD of 1988 from a Level II GNSS survey conducted on March 31, 2021.
REMARKS - Records generally fair except for estimated periods, if any, or flows less than 2.0 ft³/s, which are poor. Diversion for irrigation upstream of gage.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 1,760 ft³/s, Feb 24, 1998, gage height, 10.16 ft, from floodmarks, from rating curve extended above 70 ft³/s on basis of slope-area measurement at gage height, 9.56 ft; no flow Aug 8, 10, 1994.