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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 414104087343102 sti-4d

Cook County, Illinois
Latitude  41°41'04", Longitude  87°34'31" NAD83
Land-surface elevation 590 feet above NGVD29
The depth of the well is 104 feet below land surface.
The depth of the hole is 104 feet below land surface.
This well is completed in the Silurian-Devonian aquifers (N400SLRDVN) national aquifer.
This well is completed in the Niagaran Series (355NIGR) local aquifer.

Period of record
Begin Date End Date Levels
1992-06-23 1992-06-23 1

 
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