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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 415546088514501 40N 3E-23.7e1

Dekalb County, Illinois
Latitude  41°55'46", Longitude  88°51'45" NAD27
Land-surface elevation 915 feet above NGVD29
The depth of the well is 853 feet below land surface.

Period of record
Begin Date End Date Levels
1918-01-02 1918-01-02 1

 
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