USGS Water-Year Summary 2024
404343099272901 9N 19W 26BABA1 Overton East
High Plains aquifer
Sand and Gravel Deposits
LOCATION - Lat 40°43'42.30", long 99°27'28.53" referenced to North American Datum of 1983, in NW 1/4 NE 1/4 NW 1/4 sec.26, T.9 N., R.19 W., Dawson County, NE, Hydrologic Unit 10200101, 4 mi. east of Overton on U.S. Highway 30.
REVISIONS HISTORY - WDR-US-2007: 2006 (Extremes for Period of Record).
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 33 ft. Upper casing diameter 4 in; top of first opening 18 ft, bottom of last opening 33 ft.
DATUM - Land-surface datum is 2,296.36 ft above North American Vertical Datum of 1988. Measuring point: Surveyed MP height is mark on gage house shelf, 3.00 ft above land-surface datum, Oct. 1, 2000 to present.
PERIOD OF RECORD - April 1999 to current year.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 8.24 ft. below land surface datum, July 17, 2019; lowest, 23.14 ft. below land surface datum, Aug. 7, 8, 9, 2006.