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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 411928089073001 33N 1E-20.1h1

Lasalle County, Illinois
Latitude  41°19'28", Longitude  89°07'30" NAD27
Land-surface elevation 490 feet above NGVD29
The depth of the well is 2,591 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
1987-03-26 1987-03-26 1

 
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