Click
to
hide
Water-Year
Summary
instructions
and
information
- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
- For water years 2014 onward, choose a water year and parameter and an on-demand Water-Year Summary report will be generated.
- For water years 2006 through 2013, choose a water year and an Annual Water Data Report will be provided.
- For water years 2005 and earlier, Annual Water Data Reports may be available in digital format.
- Not all sites have reports available for every water year.
USGS Water-Year Summary 2024
414818092055401 081N11W14CCDA 27416 1985IGS & USGS IR-26A
Sand and gravel aquifers (glaciated regions)
Holocene Alluvium
Holocene Alluvium
LOCATION - Lat 41°49'11.0", long 92°05'54.4" referenced to North American Datum of 1983, in SW 1/4 SE 1/4 SW 1/4 sec.14, T.81 N., R.11 W., Iowa County, IA, Hydrologic Unit 07080208, at edge of gravel access road, 0.2 mi west and 0.7 mi south from intersection of County Highway F15 and KK Avenue, and 1.3 mi northwest of Marengo.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 22.5 ft. Upper casing diameter 2 in; top of first opening 19.5 ft, bottom of last opening 22.5 ft. Drilled observation well, cased to 19.5 ft. All depths below land-surface datum.
DATUM - Land-surface datum is 738.48 ft above North American Vertical Datum of 1988. Measuring point: top of casing, 6.80 ft above land-surface datum, Sep. 30, 2013 to present. Land-surface datum from lidar digital elevation model.
PERIOD OF RECORD - Water-level measurements, water years 1985-1986, 1996, 2001, 2009, 2012-current.
GAGE - Water-level recorder.
PERIOD OF DAILY RECORD - Water-level records from November 2012 to current.
WATER-QUALITY RECORDS
WELL CHARACTERISTICS - Depth 22.5 ft. Upper casing diameter 2 in; top of first opening 19.5 ft, bottom of last opening 22.5 ft. Drilled observation well, cased to 19.5 ft. All depths below land-surface datum.
DATUM - Land-surface datum is 738.48 ft above North American Vertical Datum of 1988. Measuring point: top of casing, 6.80 ft above land-surface datum, Sep. 30, 2013 to present. Land-surface datum from lidar digital elevation model.
PERIOD OF RECORD - Water years 1985, 1986, 1996, 1998, 2009, 2011.
