USGS Water-Year Summary 2024
440149103164901 Wild Wood North 1N 7E21DBBD
Paleozoic aquifers
Minnelusa Formation (Permian andPennsylvanian)
LOCATION - Lat 44°01'49", long 103°16'49" referenced to North American Datum of 1927, in NW 1/4 NW 1/4 SE 1/4 sec.21, T.1 N., R.7 E., Pennington County, SD, Hydrologic Unit 10120110,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 418 ft. Upper casing diameter 4 in; top of first opening undefined, bottom of last opening undefined.
DATUM - Land-surface datum is 3,676.6 ft above North American Vertical Datum of 1988. Measuring point: TOP OF CASING, 1.5 ft above land-surface datum, Feb. 16, 1996 to present; 1.46 top of bracket after installation, 1.46 ft above land-surface datum, Apr. 23, 1996 to present.
PERIOD OF RECORD - May 1996 to present.
GAGE - Submersible transducer and datalogger, 60 minute recording interval.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 227.50 ft below land surface datum, June 9, 2000; lowest water level, 260.69 ft below land surface datum, Apr. 26 and 27, 2008.