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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 384822090034801 4N 9W-11.2a1

Madison County, Illinois
Latitude  38°48'22", Longitude  90°03'48" NAD27
Land-surface elevation 422.50 feet above NGVD29
The depth of the well is 111 feet below land surface.
The depth of the hole is 111 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.

Period of record
Begin Date End Date Levels
1975-11-04 1987-05-07 8

 
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