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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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USGS Water-Year Summary 2024
363213116133800 Tracer Well 3
Basin and Range carbonate-rock aquifers
Carbonate Rocks
Carbonate Rocks
LOCATION - Lat 36°32'13.22", long 116°13'40.80" referenced to North American Datum of 1983, in NE 1/4 NE 1/4 NW 1/4 sec.27, T.16 S., R.51 E., Nye County, NV, Hydrologic Unit 18090202,
REVISIONS HISTORY - Revisions: Groundwater levels above NGVD 1929 and NAVD 1988 from November 21, 1966, to November 14, 2024, at 21:10 UTC were revised on November 21, 2024, because land-surface datum was resurveyed and the previous land-surface datum value was determined to be in error. The previous land-surface datum was 2,402.3 ft above NGVD 1929. The current/updated land-surface datum is 2,404.36 ft above NAVD 1988.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 678 ft. Upper casing diameter 8.62 in; top of first opening 620 ft, bottom of last opening 807 ft.
DATUM - Land-surface datum is 2,404.36 ft above North American Vertical Datum of 1988. Measuring point: Top lip of casing, red paint, cut line, 0.4 ft above land-surface datum, Mar. 15, 1987 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 September 7, 2022, and tied to RM-1/BM-3. Prior to September 7, 2022, the land-surface datum was 2,402.3 ft above NGVD of 1929 as determined via level survey by USGS on September 22, 1990. This reported land-surface datum value was found to be in error after a review of the 1990 level notes was completed in 2024.
REMARKS - Periodic water-level measurements are made throughout the Yucca Mountain area to support environmental and regulatory aspects of the Yucca Mountain Project. The following data do not include continual records developed from pressure-sensor data.
