USGS Water-Year Summary 2024
420855090195709 085N05E25AAAA 2014USGS Green Island W9
Sand and gravel aquifers (glaciated regions)
Holocene Alluvium
LOCATION - Lat 42°08'55.9", long 90°19'57.9" referenced to North American Datum of 1983, in NW 1/4 NW 1/4 NW 1/4 sec.25, T.85 N., R.5 E., Jackson County, IA, Hydrologic Unit 07060006,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 18.3 ft. Upper casing diameter 2 in; top of first opening 13.3 ft, bottom of last opening 18.3 ft.
DATUM - Land-surface datum is 595.63 ft above North American Vertical Datum of 1988. Measuring point: top of casing, 1.70 ft above land-surface datum, Dec. 9, 2014 to present.
PERIOD OF RECORD - August 2015 to October 2018.
WATER-QUALITY RECORDS
WELL CHARACTERISTICS - Depth 18.3 ft. Upper casing diameter 2 in; top of first opening 13.3 ft, bottom of last opening 18.3 ft.
DATUM - Land-surface datum is 595.63 ft above North American Vertical Datum of 1988. Measuring point: top of casing, 1.70 ft above land-surface datum, Dec. 9, 2014 to present.
PERIOD OF RECORD - March 2015 to July 2017.