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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 405427090385801 11N 2W-29.8a2

Warren County, Illinois
Latitude  40°54'27", Longitude  90°38'58" NAD27
Land-surface elevation 761 feet above NGVD29
The depth of the well is 2,445 feet below land surface.
The depth of the hole is 2,445 feet below land surface.
This well is completed in the Cambrian-Ordovician aquifer system (S300CAMORD) national aquifer.
This well is completed in the Ironton-Galesville (372IRGL) local aquifer.

Period of record
Begin Date End Date Levels
1925-04-01 2020-06-24 16

 
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