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Groundwater levels for the Nation

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  • 415924088092801
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USGS 415924088092801 41N 9E-36.6b1

Cook County, Illinois
Hydrologic Unit Code 07120006
Latitude  41°59'24", Longitude  88°09'28" NAD27
Land-surface elevation 820.00 feet above NGVD29
The depth of the well is 1,310 feet below land surface.
The depth of the hole is 1,434 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 415924088092801 41N 9E-36.6b1
Breaks in the plot represent a gap of at least one year between field measurements.
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