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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 420754087552001 42N11E-11.7e1

Cook County, Illinois
Latitude  42°07'54", Longitude  87°55'20" NAD27
Land-surface elevation 642.00 feet above NGVD29
The depth of the well is 0,281 feet below land surface.
The depth of the hole is 281 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
1963-09-01 1984-11-27 4

 
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