USGS Water-Year Summary 2025
350304106345401 10N.03E.S36.1433A SHALLOW VA SENTINEL WELL
Rio Grande aquifer system
Santa Fe Group, Upper Part
LOCATION - Lat 35°03'03.87", long 106°34'54.16" referenced to North American Datum of 1983, in SE 1/4 NW 1/4 sec.36, T.10 N., R.3 E., Bernalillo County, NM, Hydrologic Unit 13020203, Land surface elevation is 5340.76 feet (NAVD 88).
REVISIONS HISTORY - The discrete water level that was measured on June 12, 2018 was removed from the published field measurement records in March 2020 because it was found to be erroneous. Prior to June 04, 2024 datums published for this site included: 5340.76 ft above NAVD88, 5341 ft above NAVD88, 5340.67 ft above NAVD88. The measuring point height for MP-1 was updated from 1.31 feet to 1.15 feet based on a 2024 reevaluation of survey data collected in June 2016. Discrete and continuous water level data were published on NWIS Web using the previous datum and MP values.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 660 ft. Upper casing diameter 3 in; top of first opening 620 ft, bottom of last opening 640 ft.
DATUM - Land-surface datum is 5,340.92 ft above North American Vertical Datum of 1988. Measuring point: TOP OF PVC WELL CASING FROM USGS SURVEY, 1.15 ft above land-surface datum, Apr. 1, 2016 to present; TOP OF SCREW SET IN TOP OF CASING, 1.16 ft above land-surface datum, Jun. 1, 2024 to present.
PERIOD OF RECORD - Periodic discrete measurements and continuous data from August 5, 2016 to present.