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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 405415090383601 11N 2W-32.5g1

Warren County, Illinois
Latitude  40°54'15", Longitude  90°38'36" NAD27
Land-surface elevation 740 feet above NGVD29
The depth of the well is 2,460 feet below land surface.
The depth of the hole is 2,460 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
1974-08-21 1974-08-21 1

 
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