USGS Water-Year Summary 2023
423148098300601 30N 10W 32DAA O'Neill
High Plains aquifer
Sand and Gravel Deposits
LOCATION - Lat 42°31'48", long 98°30'06" referenced to North American Datum of 1927, in NE 1/4 NE 1/4 SE 1/4 sec.32, T.30 N., R.10 W., Holt County, NE, Hydrologic Unit 10150007,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 85 ft. Upper casing diameter 8 in; top of first opening 25.5 ft, bottom of last opening 85 ft.
DATUM - Land-surface datum is 1,952 ft above National Geodetic Vertical Datum of 1929. Measuring point: MP is top edge of casing, 1.00 ft above land-surface datum, Sep. 27, 1966, to present.
PERIOD OF RECORD - October 1966 to current year.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 35.41 feet below land surface datum, October 21, 1966; lowest, 53.72 feet below land surface datum, September 15, 20, and 25, 1982.