USGS Water-Year Summary 2024
420824090202812 085N05E26DBDA 2014USGS Green Island W12
Sand and gravel aquifers (glaciated regions)
Holocene Alluvium
LOCATION - Lat 42°08'24.1", long 90°20'28.2" referenced to North American Datum of 1983, in SE 1/4 NW 1/4 SE 1/4 sec.26, T.85 N., R.5 E., Jackson County, IA, Hydrologic Unit 07060006,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 22.5 ft. Upper casing diameter 2 in; top of first opening 17.5 ft, bottom of last opening 22.5 ft.
DATUM - Land-surface datum is 598.95 ft above North American Vertical Datum of 1988. Measuring point: top of casing, 1.79 ft above land-surface datum, Dec. 8, 2014 to present.
PERIOD OF RECORD - August 2015 to October 2018.
WATER-QUALITY RECORDS
WELL CHARACTERISTICS - Depth 22.5 ft. Upper casing diameter 2 in; top of first opening 17.5 ft, bottom of last opening 22.5 ft.
DATUM - Land-surface datum is 598.95 ft above North American Vertical Datum of 1988. Measuring point: top of casing, 1.79 ft above land-surface datum, Dec. 8, 2014 to present.
PERIOD OF RECORD - March 2015 to July 2017.