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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 420114088141802 41N9E-20.7b2

Cook County, Illinois
Latitude  42°01'14", Longitude  88°14'18" NAD83
Land-surface elevation 780 feet above NGVD29
The depth of the well is 48.5 feet below land surface.
The depth of the hole is 49.5 feet below land surface.
This well is completed in the Sand and gravel aquifers (glaciated regions) (N100GLCIAL) national aquifer.
This well is completed in the Quaternary System (110QRNR) local aquifer.

Period of record
Begin Date End Date Levels
2010-08-26 2024-06-17 9

 
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