USGS Water-Year Summary 2023
414607102263301 21N 44W29AB Crescent Lake
High Plains aquifer
Dune Sand
LOCATION - Lat 41°46'07", long 102°26'33" referenced to North American Datum of 1927, in NW 1/4 NE 1/4 sec.29, T.2 1., R.44 W., Garden County, NE, Hydrologic Unit 10180009,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth undefined. Upper casing diameter 1.50 in; top of first opening undefined, bottom of last opening undefined. Depth 7 ft.
DATUM - Land-surface datum is 3,828.54 ft above National Geodetic Vertical Datum of 1929. Measuring point: MP is a notch on top of galvanized pipe, 0.54 ft above land-surface datum, Aug. 2, 1934, to present.
PERIOD OF RECORD - August 1934 to current year.
EXTREMES FOR PERIOD OF RECORD - Highest water level, 0.19 feet below land surface datum, May 23, 2011; lowest water level, 6.55 feet below land surface datum, measured November 5, 1937.