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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 414151087320201 37N15E-17.4f (USEPA BH25)

Cook County, Illinois
Latitude  41°41'51", Longitude  87°32'02" NAD27
Land-surface elevation 586.8 feet above NGVD29
The depth of the well is 16 feet below land surface.
The depth of the hole is 16 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 Sand (Holocene and/or Pleistocene) (110SANDP) local aquifer.

Period of record
Begin Date End Date Levels
1992-06-11 2015-01-15 10

 
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