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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 414905087575301 39N11E-34.3a1

Dupage County, Illinois
Latitude  41°49'05", Longitude  87°57'53" NAD27
Land-surface elevation 740 feet above NGVD29
The depth of the well is 300 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
1977-01-01 1977-01-01 1

 
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