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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.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
440326103180702 ZZZZ 1N 7E 8DBCC2
Paleozoic aquifers
Madison Group (Upper and Lower Mississippian)
Madison Group (Upper and Lower Mississippian)
LOCATION - Lat 44°03'26", long 103°18'07" referenced to North American Datum of 1927, Pennington County, SD, Hydrologic Unit 10120110, -Lat. 44 03'26", -Long 103 18'07" in SW1/4 NW1/4 SE1/4, sec 8 T.1N., R.7E., Pennington County, Hydrologic Unit 10120110, in Rapid City
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 640 ft. Upper casing diameter undefined; top of first opening undefined, bottom of last opening undefined. Drilled unused production well 640 ft deep
DATUM - Land-surface datum is 3,380 ft above National Geodetic Vertical Datum of 1929. Measuring point: 1.95ft from measuring point to land surface, 1.95 ft above land-surface datum, Oct. 1, 2017 to present.
PERIOD OF RECORD - Oct. 1999 to current year. Records from Oct. 1999 to Sept. 2012 are unpublished and available in the files of the Geological Survey.
GAGE - Satellite data collection platform and pressure transducer, 60 minute recording interval.
REMARKS - Water level affected by pumping of nearby well.
EXTREMES FOR PERIOD OF RECORD - Highest water level -43.22 ft, June 29, 2015, lowest water level -10.57 ft, April 5-6, 2008.
