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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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USGS 401811089361801 21N 5W- 1.1g

Mason County, Illinois
Hydrologic Unit Code 07130003
Latitude  40°18'11", Longitude  89°36'18" NAD27
Land-surface elevation 600.00 feet above NGVD29
The depth of the well is 0,186 feet below land surface.
The depth of the hole is 186 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 401811089361801 21N 5W- 1.1g
Breaks in the plot represent a gap of at least one year between field measurements.
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