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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 415826088103401 40N 9E-11.6h1

Dupage County, Illinois
Latitude  41°58'26", Longitude  88°10'34" NAD27
Land-surface elevation 769 feet above NGVD29
The depth of the well is 1,985 feet below land surface.
The depth of the hole is 1,985 feet below land surface.
This well is completed in the Cambrian-Ordovician aquifer system (S300CAMORD) national aquifer.
This well is completed in the Ordovician-Cambrian Systems (367OVCB) local aquifer.

Period of record
Begin Date End Date Levels
1975-04-25 1975-04-28 2

 
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