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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
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USGS Water-Year Summary 2024
440430103160202 Sioux Park East Well 1N 7E 3CBAA2
Paleozoic aquifers
Madison Group (Upper and Lower Mississippian)
Madison Group (Upper and Lower Mississippian)
LOCATION - Lat 44°04'27.2", long 103°16'05.0" referenced to North American Datum of 1983, in NE 1/4 NW 1/4 SW 1/4 sec.3, T.1 N., R.7 E., Pennington County, SD, Hydrologic Unit 10120110, Lat 44 04' 27.2" Long 103 16' 05" SESWNW sec 3.T, 1N,R 7E Hydrologic Unit Code 10120110
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 1,171 ft. Upper casing diameter 6 in; top of first opening 971 ft, bottom of last opening 1,171 ft.
DATUM - Land-surface datum is 3,298.67 ft above North American Vertical Datum of 1988. Measuring point: Base of Gage, 3.4 ft above land-surface datum, Oct. 1, 1995 to present.
PERIOD OF RECORD - March 1990 to current year.
GAGE - Electronic data recorder with pressure transducer, 15 minute interval.
REMARKS - For Oct. 1, 2014 to Sept. 30, 2022 records fair. Water level affected by pumping of nearby well.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 149.95 ft above land surface datum (pressure head), on numerous days between June 19, 1986 and July 16, 1987; lowest water level, 54.62 ft above land surface datum (pressure head), Jan. 29, 2008.
