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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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USGS 401115089345601 20N 4W-18.1e1

Logan County, Illinois
Hydrologic Unit Code 07130009
Latitude  40°11'15", Longitude  89°34'56" NAD27
Land-surface elevation 560 feet above NGVD29
The depth of the well is 55 feet below land surface.
The depth of the hole is 120 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 401115089345601 20N 4W-18.1e1
Breaks in the plot represent a gap of at least one year between field measurements.
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