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
362529116171100 Devils Hole Well
Basin and Range basin-fill aquifers
Valley Fill
Valley Fill
LOCATION - Lat 36°25'29", long 116°17'15" referenced to North American Datum of 1927, in SW 1/4 SE 1/4 SE 1/4 sec.36, T.17 S., R.50 E., Nye County, NV, Hydrologic Unit 18090202,
REVISIONS HISTORY - Revisions: Groundwater levels for the period Dec. 14, 2016 to July 4, 2017, were revised on Sep. 16, 2020, because a correction to the continuous data based on discrete measurements needed to be applied.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 200 ft. Upper casing diameter 16 in; top of first opening 48 ft, bottom of last opening 248 ft.
DATUM - Land-surface datum is 2,406.42 ft above North American Vertical Datum of 1988. Measuring point: Hole in metal shelter floor, north side, orange paint, cut line, 0.9 ft above land-surface datum, Jan. 15, 1987 to Sep. 2, 2009; Top of 6 inch casing, west side, 3.0 ft above land-surface datum, Sep. 1, 2009 to present. The NAVD of 1988 datum was determined by a level 2 GNSS survey (Reference Frame NAD_83 (2011) (EPOCH:2010.0000), GEOID18) by USGS on February 19, 2020 and tied to RM1. Prior to February 19, 2020, the land-surface datum was 2,404.1 ft above NGVD of 1929 as determined via level by USGS on January 26, 1971.
PERIOD OF RECORD - Jan. 1971 to current year.
REMARKS - Periodic water-level measurements are made throughout the Yucca Mountain area to support environmental and regulatory aspects of the Yucca Mountain Project.
EXTREMES FOR PERIOD OF RECORD - Highest water-level depth below land surface recorded, 47.48 ft, Feb. 18, 2018, and Feb. 8, 2025; lowest water-level depth below land surface recorded, 50.99 ft, Jul. 13, 1972.
