USGS Water-Year Summary 2024
430415100451501 36N29W29ABDD(R-7 WELL NR ST.FRANCIS, SD)
High Plains aquifer
Ogallala Formation
LOCATION - Lat 43°04'15", long 100°45'15" referenced to North American Datum of 1983, in SE 1/4 NW 1/4 NE 1/4 sec.29, T.36 N., R.29 W., Todd County, SD, Hydrologic Unit 10150004, in field 1625 ft west of Lakeview Road, 9.1 mi southeast of St. Francis, and 12.2 mi south southeast of Rosebud.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 150 ft. Upper casing diameter undefined; top of first opening undefined, bottom of last opening undefined.
DATUM - Land-surface datum is 2,860.48 ft above North American Vertical Datum of 1988. Measuring point: Top of well casing, 3.29 ft above land-surface datum, Apr. 1, 2012 to present.
PERIOD OF RECORD - April 2012 to present.
GAGE - Water-stage recorder.
EXTREMES FOR PERIOD OF RECORD -
Highest water level, 18.05 ft below land-surface datum, June 7, 2020. Lowest water level, 21.29 ft below land-surface datum, Mar. 5, 2013.