USGS Water-Year Summary 2024
351357106323003 12N.04E.29.433B SANDIA SITE
Rio Grande aquifer system
Santa Fe Group
LOCATION - Lat 35°13'57", long 106°32'30" referenced to North American Datum of 1927, in SW 1/4 SW 1/4 SE 1/4 sec.029, T.12 N., R.4 E., Sandoval County, NM, Hydrologic Unit 13020203,
REVISIONS HISTORY - Prior to August 23, 2024 the datum of the site was 5430.00 ft above NGVD29 (determined via topographic map) and updated to 5444 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 535 ft. Upper casing diameter 2.50 in; top of first opening 485 ft, bottom of last opening 525 ft.
DATUM - Land-surface datum is 5,444 ft above North American Vertical Datum of 1988. Measuring point: TOP OF PVC CASING, 1.74 ft above land-surface datum, Jun. 26, 1998 to present.
PERIOD OF RECORD - 1999 to current year
GAGE - Campbell CR10 data logger and differential pressure transducer
EXTREMES FOR PERIOD OF RECORD - Highest: 479.33 ft. below land surface datum on April 18 and 19, 1999; Lowest: 485.80 ft. below land surface datum on December 2, 2007 and January 1, 2008