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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 414245089194501 20N10E-22.3g1

Lee County, Illinois
Latitude  41°42'45", Longitude  89°19'45" NAD27
Land-surface elevation 740 feet above NGVD29
The depth of the well is 1,100 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
1987-02-04 1987-02-04 1

 
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