USGS Water-Year Summary 2024
431158100461002 37N29W 8AADA2(TRIBAL WELL R-26 NR ROSEBUD, SD)
High Plains aquifer
Ogallala Formation
LOCATION - Lat 43°11'58", long 100°46'10" referenced to North American Datum of 1983, in SE 1/4 NE 1/4 NE 1/4 sec.8, T.37 N., R.29 W., Todd County, SD, Hydrologic Unit 10140203, in field 550 ft south of BIA HWY 5, 5.1 mi southeast of Rosebud, and 7.8 mi northeast of St. Francis.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 263 ft. Upper casing diameter undefined; top of first opening undefined, bottom of last opening undefined.
DATUM - Land-surface datum is 2,823.91 ft above North American Vertical Datum of 1988. Measuring point: Top of well casing, 4.23 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, 85.47 ft below land-surface datum, Oct.10,2019. Lowest water level, 89.75 ft below land-surface datum, Sept. 14, 2018.