USGS Water-Year Summary 2024
420919090201705 085N05E23DABD 2014USGS Green Island W5
Sand and gravel aquifers (glaciated regions)
Holocene Alluvium
LOCATION - Lat 42°09'19.8", long 90°20'17.8" referenced to North American Datum of 1983, in NW 1/4 NE 1/4 SE 1/4 sec.23, T.85 N., R.5 E., Jackson County, IA, Hydrologic Unit 07060006,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 18 ft. Upper casing diameter 2 in; top of first opening 13 ft, bottom of last opening 18 ft.
DATUM - Land-surface datum is 597.31 ft above North American Vertical Datum of 1988. Measuring point: top of casing, 2.00 ft above land-surface datum, Dec. 10, 2014 to present.
PERIOD OF RECORD - August 2015 to October 2018.
WATER-QUALITY RECORDS
WELL CHARACTERISTICS - Depth 18 ft. Upper casing diameter 2 in; top of first opening 13 ft, bottom of last opening 18 ft.
DATUM - Land-surface datum is 597.31 ft above North American Vertical Datum of 1988. Measuring point: top of casing, 2.00 ft above land-surface datum, Dec. 10, 2014 to present.
PERIOD OF RECORD - March 2015 to July 2017.