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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 401934089541702 22N7W-29.1d2 (SH-1)

Mason County, Illinois
Latitude  40°19'34.3", Longitude  89°54'17.3" NAD83
Land-surface elevation 467.87 feet above NAVD88
The depth of the well is 13.0 feet below land surface.

Period of record
Begin Date End Date Levels
2022-10-05 2024-10-29 23

 
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