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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 421656089031101 44N 2E-18.7a1

Winnebago County, Illinois
Latitude  42°16'56", Longitude  89°03'11" NAD27
Land-surface elevation 817 feet above NAVD88
The depth of the well is 1,312 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
1985-12-18 2015-02-05 3

 
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