USGS Water-Year Summary 2024
410154099394701 12N 21W 12BAAA Eddyville
High Plains aquifer
Sand and Gravel Deposits
LOCATION - Lat 41°01'54", long 99°39'47" referenced to North American Datum of 1927, in NE 1/4 NE 1/4 NW 1/4 sec.12, T.12 N., R.21 W., Dawson County, NE, Hydrologic Unit 10200102, 2 mi. northwest of Eddyville on Highway 40.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 98 ft. Upper casing diameter 5. in; top of first opening 78 ft, bottom of last opening 98 ft.
DATUM - Land-surface datum is 2,462 ft above National Geodetic Vertical Datum of 1929. Measuring point: MP is top edge of shelf, 3.00 ft above land-surface datum, July 13, 1989, to present.
PERIOD OF RECORD - July 1989 to current year.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 38.45 feet below land surface datum, June 12, 1997; lowest, 58.68 feet below land surface datum, September 1, 2004.