USGS Water-Year Summary 2024
385521114503601 179 N12 E63 12AB 1
Basin and Range carbonate-rock aquifers
Carbonate Rocks
LOCATION - Lat 38°55'21", long 114°50'36" referenced to North American Datum of 1927, in NW 1/4 NE 1/4 sec.12, T.12 N., R.63 E., White Pine County, NV, Hydrologic Unit 16060008,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 948 ft. Upper casing diameter 6 in; top of first opening 500 ft, bottom of last opening 940 ft.
DATUM - Land-surface datum is 7,328.05 ft above North American Vertical Datum of 1988. Measuring point: Plate on top of casing, 1.3 ft above land-surface datum, Aug. 30, 1989 to Jul. 20, 1994; Top of casing, 1.2 ft above land-surface datum, Jul. 19, 1994 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 March 10, 2020 and tied to RM3. Prior to March 10, 2020, the gage datum was 7,320 ft above NGVD of 1929 as determined via topographic map by USGS on October 13, 1980.
PERIOD OF RECORD - Oct. 1980 to current year.
EXTREMES FOR PERIOD OF RECORD - Highest water-level depth below land surface measured, 410.35 ft, Jul. 31, 1984; lowest water-level depth below land surface recorded, 434.90 ft, Mar. 15, 2019.