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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 401934089541701 22N7W-29.1d1 (DP-1)

Mason County, Illinois
Latitude  40°19'34.4", Longitude  89°54'17.3" NAD83
Land-surface elevation 468.66 feet above NAVD88
The depth of the well is 25.3 feet below land surface.

Period of record
Begin Date End Date Levels
2022-10-05 2024-10-29 24

 
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