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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 405438090164701 11N 2E-28.5d1

Knox County, Illinois
Latitude  40°54'38", Longitude  90°16'47" NAD27
Land-surface elevation 768 feet above NGVD29
The depth of the well is 1,365 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
1986-04-16 1986-04-16 1

 
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