USGS Water-Year Summary 2023
350056106370103 09N.03E.10.334B MONTESSA SITE
Rio Grande aquifer system
Santa Fe Group, Upper Part
LOCATION - Lat 35°00'57.10", long 106°37'02.34" referenced to North American Datum of 1983, in SE 1/4 SW 1/4 SW 1/4 sec.10, T.9 N., R.3 E., Bernalillo County, NM, Hydrologic Unit 13020203,
REVISIONS HISTORY - Prior to April 18, 2023 the datum of the site was 5100 ft above NGVD29 (determined via topographic map) and updated to 5094 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 330 ft. Upper casing diameter 2.5 in; top of first opening 260 ft, bottom of last opening 320 ft.
DATUM - Land-surface datum is 5,094 ft above North American Vertical Datum of 1988. Measuring point: TOP OF PVC CASING, 1.48 ft above land-surface datum, Sep. 17, 1997 to present.
PERIOD OF RECORD - 1998 to current year
EXTREMES FOR PERIOD OF RECORD - Highest: 220.46 ft. below land surface datum on April 8, 2013; Lowest: 222.67 ft. below land surface datum on October 17, 2009.