USGS Water-Year Summary 2021
09415090 Virgin River at Mesquite, NV
LOCATION - Lat 36°47'25", long 114°05'37" referenced to North American Datum of 1983, in SW 1/4 NW 1/4 sec.20, T.13 S., R.71 E., Clark County, NV, Hydrologic Unit 15010010, at State Highway Bridge 170, at Mesquite, NV.
DRAINAGE AREA -
- Elevation of gage from Jan. 2019 to Jul. 24, 2019 was 1560 ft and was revised on Jul. 24, 2019 based on a single-base OPUS-RS level 2 survey. Data from Oct. 1992 to Jul. 1993 at a different datum.
PERIOD OF RECORD - Oct. 1992 to Jul. 1993, discharge measurements only; May 6, 2019 to current year.
GAGE - Water state recorder. Elevation of gage is 1533.53 ft above North American Vertical Datum of 1988 from level 2 OPUS-RS single-base static survey.
EXTREMES OUTSIDE PERIOD OF RECORD - Flood of Jan. 1, 1989, 61,000 ft³/s, on basis of slope-area measurement of peak flow at Virgin River at Littlefield site about 16 mi upstream, due to failure of Quail Creek Dam.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 2,780 ft³/s (estimated), Mar. 14, 2020, gage height, 8.08 ft; minimum daily, 9.38 ft³/s, Jul. 23, 2020.
PERIOD OF DAILY RECORD - Water temperature: July 19, 2019 to Oct. 10, 2019.
EXTREMES FOR PERIOD OF DAILY RECORD -