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Groundwater levels for Illinois

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! Important: Next Generation Monitoring Location Page

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USGS 410921088390802 31N 5E-16.4c2

Lasalle County, Illinois
Hydrologic Unit Code 07120005
Latitude  41°09'21", Longitude  88°39'08" NAD27
Land-surface elevation 710 feet above NGVD29
The depth of the well is 500 feet below land surface.
The depth of the hole is 831 feet below land surface.
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Graph of groundwater level data at USGS 410921088390802 31N 5E-16.4c2
Breaks in the plot represent a gap of at least one year between field measurements.
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