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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 422803087475304 46N12E-14.6g4 (Zion well 4)

Lake County, Illinois
Latitude  42°28'05", Longitude  87°47'58" NAD83
Land-surface elevation 586 feet above NGVD29
The depth of the well is 1,203 feet below land surface.
The depth of the hole is 3,475 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
1981-12-09 2019-03-26 199

 
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