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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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USGS 401538089134901 21N 1W-20.3e1

Logan County, Illinois
Hydrologic Unit Code 07130009
Latitude  40°15'38.8", Longitude  89°13'48.4" NAD83
Land-surface elevation 712 feet above NGVD29
The depth of the well is 147 feet below land surface.
This well is completed in the Sand and gravel aquifers (glaciated regions) (N100GLCIAL) national aquifer.
This well is completed in the Quaternary System (110QRNR) local aquifer.
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Graph of groundwater level data at USGS 401538089134901 21N 1W-20.3e1
Breaks in the plot represent a gap of at least one year between field measurements.
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