LOCATION.--Lat 43°01'59.2", long 93°40'31.9"
referenced to North American Datum of 1983, in NE 1/4 SE 1/4 NE 1/4
sec.21, T.95 N., R.24 W., Hancock County, IA, Hydrologic Unit
07080207, 0.4 mi south from intersection of County Highway R56 and
190th Street, and 3.6 mi northwest of Klemme. (map)
GROUNDWATER RECORDS
WELL CHARACTERISTICS.--Depth 26.5 ft. Upper casing diameter 2 in;
top of first opening 21.5 ft, bottom of last opening 26.5 ft. Drilled
observation well, cased to 21.5 ft. All depths below land-surface
datum.
DATUM.--Land-surface datum is 1,221.55 ft above North American
Vertical Datum of 1988. Measuring point: top of casing, 3.21 ft above
land-surface datum, July 22, 2009, to present. Land-surface datum
from lidar digital elevation model.
PERIOD OF RECORD.--Water-level measurements, water years 1997,
1999, 2005, 2007, 2009-2015.
PERIOD OF DAILY RECORD.--Water-level records from May 2013 to
October 2014.
GAGE.--Water-level recorder.
WATER-QUALITY RECORDS
PERIOD OF RECORD.--Water years 1997, 2007.
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