USGS Water-Year Summary 2023
345650106415903 08N.02E.02.413B ISLETA SITE
Rio Grande aquifer system
Santa Fe Group, Upper Part
LOCATION - Lat 34°56'50.25", long 106°41'59.74" referenced to North American Datum of 1983, in SW 1/4 NW 1/4 SE 1/4 sec.02, T.8 N., R.2 E., Bernalillo County, NM, Hydrologic Unit 13020203,
REVISIONS HISTORY - Prior to April 28, 2023 the datum of the site was 4900 ft above NGVD29 (determined via topographic map) and updated to 4899 ft above NAVD88 (determined via Lidar) on September 15, 2017. Discrete water levels have previously been published on NWIS Web using old datum(s).
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 185 ft. Upper casing diameter 2.5 in; top of first opening 175 ft, bottom of last opening 180 ft.
DATUM - Land-surface datum is 4,899 ft above North American Vertical Datum of 1988. Measuring point: TOP OF PVC CASING, 2.38 ft above land-surface datum, Dec. 18, 1997 to present.
PERIOD OF RECORD - 1998 to current year
GAGE - Data logger with differential pressure transducer
EXTREMES FOR PERIOD OF RECORD - Highest: 4.81ft. below land surface datum on June 20, 2007; Lowest: 13.39 ft. below land surface datum on August 1, 2007