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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 414515088464001 38N 4E-16.2d1

Dekalb County, Illinois
Latitude  41°45'15", Longitude  88°46'40" NAD27
Land-surface elevation 825 feet above NGVD29
The depth of the well is 400 feet below land surface.
The depth of the hole is 400 feet below land surface.
This well is completed in the Cambrian-Ordovician aquifer system (S300CAMORD) national aquifer.
This well is completed in the Galena-Platteville Groups (365GLPV) local aquifer.

Period of record
Begin Date End Date Levels
1946-09-01 1985-07-30 3

 
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