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Water-Year Summary for Site 09406100

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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
00010 Temperature, water(Max.,Min.,Mean)  
00060 Discharge(Mean)  
00095 Specific cond at 25C(Max.,Min.,Mean)  
00300 Dissolved oxygen(Max.,Min.,Mean)  
63680 Turbidity, Form Neph(Max.,Min.,Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
09406100 VIRGIN RIVER ABOVE LAVERKIN CREEK NEAR LA VERKIN, UT
LOCATION - Lat 37°11'49", long 113°17'04" referenced to North American Datum of 1927, in SW 1/4 NE 1/4 NW 1/4 sec.26, T.41 S., R.13 W., Washington County, UT, Hydrologic Unit 15010008, on left bank, 0.4 mi upstream of LaVerkin Creek, and 1 mi west of LaVerkin.
DRAINAGE AREA - 980 mi².
REVISIONS HISTORY - Prior to February 9, 2021 the datum of the gage was 3,020 ft above NGVD of 1929, from topographic map.
SURFACE-WATER RECORDS
PERIOD OF RECORD - October 2005 to current year.
GAGE - Water-stage recorder and crest-stage gage. Datum of gage is 2,985.28 ft. above NAVD of 1988 from a Level II GNSS survey conducted on February 9, 2021.
REMARKS - Records generally good except estimated discharges and flows over 1,000 ft³/s which are fair to poor. Flow substantially regulated by Quail Creek diversion, 5 mi upstream, which diverts up to 250 ft³/s into a pipeline that empties into Quail Creek Reservoir (capacity 40,000 acre-feet) and Sand Hollow Reservoir (capacity 51,000 acre-feet) off-stream reservoirs located 4 and 6 mi downstream. Diversions into pipeline, flushing of diversion impoundment, and operation of hydroelectric generation plant 1 mi upstream can result in rapid fluctuations of stream-flow at gage.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 10,300 ft³/s, Dec 21, 2010, gage height 22.64 ft, from rating curve extended above 9,700 ft³/s; minimum daily discharge, 12.5 ft³/s, May 20, 2021.