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Water-Year Summary for Site 420212095235701

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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
420212095235701 083N39W04BBB 2008IACRN-6
Sand and gravel aquifers (glaciated regions)
Pleistocene Series
LOCATION - Lat 42°02'11.9", long 95°23'57.2" referenced to North American Datum of 1983, in NW 1/4 NW 1/4 NW 1/4 sec.04, T.83 N., R.39 W., Crawford County, IA, Hydrologic Unit 10230007, at southwest corner of intersection of State Highway 141 and U.S. Highway 59, and 1.4 mi northwest of Denison.
REVISIONS HISTORY - Revisions: Land-surface datum was revised to 1,420.77 ft NAVD88 on July 27, 2023, as determined by a GNSS Level II survey. Land-surface datum was previously published in error as 1,422.30 ft NAVD88. Discrete water-level measurements referenced to NGVD29 and NAVD88 were revised, based on changes to the land-surface datum.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 48 ft. Upper casing diameter 2 in; top of first opening 37.5 ft, bottom of last opening 47.5 ft. Drilled observation well, cased to 48 ft. All depths below land-surface datum.
DATUM - Land-surface datum is 1,420.77 ft above North American Vertical Datum of 1988. Measuring point: top of casing, 1.5 ft above land-surface datum, Apr. 24, 2008 to present.  
PERIOD OF RECORD - Water-level measurements, water years 2008 to current year.
GAGE - Water-level recorder.
PERIOD OF DAILY RECORD - Water-level records from January 2009 to October 2014, October 2015 to current year.