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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 422634087493501 46N12E-21.1a1

Lake County, Illinois
Latitude  42°26'34", Longitude  87°49'35" NAD27
Land-surface elevation 625 feet above NGVD29
The depth of the well is 995 feet below land surface.
The depth of the hole is 1,023 feet below land surface.

Period of record
Begin Date End Date Levels
1935-05-16 1935-05-16 1

 
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