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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 415130088004101 39N11E-20.6g1

Dupage County, Illinois
Latitude  41°51'30", Longitude  88°00'41" NAD27
Land-surface elevation 725 feet above NGVD29
The depth of the well is 241 feet below land surface.
The depth of the hole is 241 feet below land surface.
This well is completed in the Silurian-Devonian aquifers (N400SLRDVN) national aquifer.
This well is completed in the Silurian Dolomite (350SIDO) local aquifer.

Period of record
Begin Date End Date Levels
1954-09-01 1985-07-08 5

 
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