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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 421337088062101 43N10E- 6.2a1

Lake County, Illinois
Latitude  42°13'37", Longitude  88°06'21" NAD27
Land-surface elevation 860 feet above NGVD29
The depth of the well is 330 feet below land surface.
The depth of the hole is 330 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
1958-05-01 1958-05-01 1

 
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