USGS Water-Year Summary 2024
441318103220001 003N06E14BDBC (SunValley1)
Alluvial aquifers
Alluvium, Terrace, Non-Glacial
LOCATION - Lat 44°13'18.06", long 103°21'59.66" referenced to North American Datum of 1983, Meade County, SD, Hydrologic Unit 10120111,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 34.16 ft. Upper casing diameter 2 in; top of first opening undefined, bottom of last opening undefined.
DATUM - Land-surface datum is 3,449.37 ft above North American Vertical Datum of 1988. Measuring point: Initial measurement, 1.78 ft above land-surface datum, Jul. 2, 2019 to Feb. 17, 2022; East side top of PVC to concrete base flush with land surface, 2.79 ft above land-surface datum, Feb. 18, 2022 to present.