USGS Water-Year Summary 2023
405855100073901 12N 25W25CBBB1-Site6-75
High Plains aquifer
Quaternary System
LOCATION - Lat 40°58'54.7", long 100°07'38.8" referenced to North American Datum of 1983, in NW 1/4 NW 1/4 SW 1/4 sec.25, T.12 N., R.25 W., Dawson County, NE, Hydrologic Unit 10200101,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 75 ft. Upper casing diameter UPPERCASINGDIAMETER; top of first opening OPENTOPVALUE, bottom of last opening OPENBOTTOMVALUE.
DATUM - Land-surface datum is 2,635 ft above National Geodetic Vertical Datum of 1929. Measuring point: MEASURINGPOINT.
PERIOD OF RECORD - July 10, 2014 to present.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 52.68 feet below land surface datum, June 8, 2020; lowest, 68.05 feet below land surface datum, September 13, 2017.