USGS Water-Year Summary 2019
09415250 Virgin River Above Lake Mead Near Overton, NV
LOCATION - Lat 36°30'47.70", long 114°20'09.53" referenced to North American Datum of 1983, in SW 1/4 NE 1/4 sec.25, T.16 S., R.68 E., Clark County, NV, Hydrologic Unit 15010005, in Lake Mead National Recreation Area, on left bank, 4.2 miles (5.6 river miles) upstream of Lake Mead, and 4 mi southeast of Overton, NV.
DRAINAGE AREA - 5,929 mi².
- Elevation of gage from beginning of record to 10/22/2018 was 1,210 ft above National Geodetic Vertical Datum of 1929, from topographic map and was revised on 10/22/2018, based on OPUS S level one survey.
PERIOD OF RECORD - Dec. 1994 to current year.
GAGE - Water-stage recorder. Elevation of gage is 1,162.08 ft above North American Vertical Datum of 1988, from level one OPUS S survey. Gage at various locations due to declining Lake Mead levels.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 30,600 ft³/s, Dec 22, 2010, gage height, 26.33 ft, no flow many days.