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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 413404087392401 36N14E-31.1f1

Cook County, Illinois
Latitude  41°34'04", Longitude  87°39'24" NAD27
Land-surface elevation 627.00 feet above NGVD29
The depth of the well is 1,735 feet below land surface.
The depth of the hole is 1,735 feet below land surface.
This well is completed in the Cambrian-Ordovician aquifer system (S300CAMORD) national aquifer.
This well is completed in the Ironton-Galesville (372IRGL) local aquifer.

Period of record
Begin Date End Date Levels
1968-02-10 1968-02-10 1

 
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