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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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USGS 412120088500401 33N 3E- 1.8a1

Lasalle County, Illinois
Hydrologic Unit Code 07120007
Latitude  41°21'20", Longitude  88°50'04" NAD27
Land-surface elevation 485.00 feet above NGVD29
The depth of the well is 1,180 feet below land surface.
The depth of the hole is 1,180 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.
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Graph of groundwater level data at USGS 412120088500401 33N 3E- 1.8a1
Breaks in the plot represent a gap of at least one year between field measurements.
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