USGS Water-Year Summary 2023
380643097353001 07143665
High Plains aquifer
Quaternary-Tertiary Systems
LOCATION - Lat 38°06'43", long 97°35'30" referenced to North American Datum of 1927, in NW 1/4 SW 1/4 NW 1/4 sec.03, T.22 S., R.2 W., Harvey County, KS, Hydrologic Unit 11030012, Halstead quadrangle, at the downstream side of the county bridge, 0.4 mi south of Alta Mills, 0.8 mi downstream from Sand Creek, and at mile 50.1. Owner: U.S. Geological Survey.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 40.1 ft. Upper casing diameter 2 in; top of first opening 30.1 ft, bottom of last opening 40.1 ft. Drilled unused water-table well.
DATUM - Land-surface datum is 1,414.85 ft above National Geodetic Vertical Datum of 1929. Measuring point: MP is top of 2-in PVC casing, 2.11 ft above land-surface datum, April 20, 2004, to present.
PERIOD OF RECORD - February 1994 to current year.
GAGE - Submersible transducer interfaced to a data-collection platform/data logger with a 1-hour update interval.
EXTREMES FOR PERIOD OF RECORD - Maximum water level, 1,415.93 ft above NGVD of 1929, June 11, 1995; minimum, 1,390.95 ft above NGVD of 1929, Oct. 9, 2006.