USGS Water-Year Summary 2025
453334103275002 18N 5E22AAAA2 (HR-86D Fox Hills)
LOCATION - Lat 45°33'34", long 103°27'50" referenced to North American Datum of 1927, Harding County, SD, Hydrologic Unit 10130302,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 337 ft. Upper casing diameter undefined; top of first opening undefined, bottom of last opening undefined.
DATUM - Land-surface datum is 2,880.67 ft above North American Vertical Datum of 1988. Measuring point: Unknown, 2.0 ft above land-surface datum, Sep. 28, 2016 to present.
PERIOD OF RECORD - Sept. 26, 2016 to Oct. 1, 2024.
GAGE - Satellite data-collection platform, 15 minute recording interval.
EXTREMES FOR PERIOD OF RECORD - Highest daily water level 54.74 ft below land surface, Jan. 1, 2020. Lowest daily water level 56.58 ft below land surface, Sep. 30, 2024.