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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 421803087554801 44N11E-10.3b1

Lake County, Illinois
Latitude  42°18'03", Longitude  87°55'48" NAD27
Land-surface elevation 670 feet above NGVD29
The depth of the well is 242 feet below land surface.
The depth of the hole is 242 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
1959-05-01 1959-05-01 1

 
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