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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 420947087561801 43N11E-34.5f1

Lake County, Illinois
Latitude  42°09'47", Longitude  87°56'18" NAD27
Land-surface elevation 660 feet above NGVD29
The depth of the well is 280 feet below land surface.
This well is completed in the Silurian-Devonian aquifers (N400SLRDVN) national aquifer.
This well is completed in the Silurian System (350SLRN) local aquifer.

Period of record
Begin Date End Date Levels
1987-02-26 1987-02-26 1

 
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