USGS Water-Year Summary 2024
433114103281601 6S 5E24BAAA Kaiser Well
Paleozoic aquifers
Madison Group (Upper and Lower Mississippian)
LOCATION - Lat 43°31'12.65", long 103°28'18.08" referenced to North American Datum of 1983, in NE 1/4 NE 1/4 NW 1/4 sec.24, T.6 S., R.5 E., Custer County, SD, Hydrologic Unit 10120109,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 780 ft. Upper casing diameter 5.50 in; top of first opening undefined, bottom of last opening undefined.
DATUM - Land-surface datum is 4,120.75 ft above North American Vertical Datum of 1988. Measuring point: UNKNOWN, 0 ft above land-surface datum, Apr. 13, 1977 to May. 27, 1978; Unknown, 1.0 ft below land-surface datum, May. 26, 1978 to Dec. 16, 2016; Top of black poly monitoring tube, 0.81 ft above land-surface datum, Dec. 15, 2016 to present.
PERIOD OF RECORD - Periodic measurements by USGS May 1978 to Oct. 2017. Continuous record Oct. 2017 to current year.
GAGE - Submersible pressure transducer and datalogger, 60 minute recording interval.
EXTREMES FOR PERIOD OF RECORD - For period of continuous record, highest instantaneous water level, 458.97 ft. below land-surface datum, Aug. 17, 2021. Lowest instantaneous water level, 465.26 ft. below land-surface datum, Feb. 15, 2018.