Click
to
hide
Water-Year
Summary
instructions
and
information
- 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.
USGS Water-Year Summary 2024
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.
REVISIONS HISTORY - 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.
SURFACE-WATER RECORDS
PERIOD OF RECORD - Dec. 1994 to May 2019.
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.
REMARKS - 10/01/2013-09/30/2014: Records poor. 10/01/2014-09/30/2015: Records poor. 10/01/2015-09/30/2016: Records poor. 10/01/2016-09/30/2017: Records poor. 10/01/2017-09/30/2018: Records poor.
EXTREMES FOR PERIOD OF RECORD - Maximum discharge, 30,600 ft³/s, Dec 22, 2010, gage height, 26.33 ft, no flow many days.
