USGS Water-Year Summary 2024
411126099422501 14N 21W 15ABBA1
High Plains aquifer
Ogallala Formation
LOCATION - Lat 41°11'25.42", long 99°42'25.26" referenced to North American Datum of 1983, in sec.15, T.14 N., R.21 W., Custer County, NE, Hydrologic Unit 10210004,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 370 ft. Upper casing diameter 2.32 in; top of first opening 360 ft, bottom of last opening 370 ft.
DATUM - Land-surface datum is 2,395.5 ft above North American Vertical Datum of 1988. Measuring point: Surveyed mark on pvc casing, 3.0 ft above land-surface datum, Apr. 21, 2015 to present.
PERIOD OF RECORD - April 2015 to current year.
EXTREMES FOR PERIOD OF RECORD - Highest water level, .19 feet below land surface datum, June 3, 2019; lowest, 11.71 feet below land surface datum, August 28, 2022.