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Water-Year Summary for Site 430510093425101

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  • 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.
Available Parameters
72019 Water level, depth LSD(Max.,Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
430510093425101 096N24W32CBC 2008IACRN-2
Sand and gravel aquifers (glaciated regions)
Pleistocene Series
LOCATION - Lat 43°05'09.71", long 93°42'51.39" referenced to North American Datum of 1983, in SW 1/4 NW 1/4 SW 1/4 sec.32, T.96 N., R.24 W., Hancock County, IA, Hydrologic Unit 07080207, 0.2 mi north of intersection of Nash Avenue and 210th Street, and 1.0 mi south of Duncan.
REVISIONS HISTORY - Revisions: Land-surface datum was updated to 1,253.74 ft NAVD88 on September 15, 2022, as determined by a GNSS Level II survey. Land-surface datum was previously published as 1,253.12 ft NAVD88 from levels.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 23.9 ft. Upper casing diameter 2 in; top of first opening 10.5 ft, bottom of last opening 18 ft. Drilled observation well, cased to 23.5 ft. All depths below land-surface datum.
DATUM - Land-surface datum is 1,253.74 ft above North American Vertical Datum of 1988. Measuring point: top of casing, 1.35 ft above land-surface datum, Apr. 23, 2008 to present. Land-surface datum from levels.
PERIOD OF RECORD - Water-level measurements, water years 2008-2015, 2017.
GAGE - Accuracy of records is discussed in the annual Station Analysis archived at the USGS IA Water Science Center.
PERIOD OF DAILY RECORD - Water-level records from July 2008 to October 2014, October 2016 to current.