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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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  • 415033087485201
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USGS 415033087485201 39N12E-25.5d3

Cook County, Illinois
Hydrologic Unit Code 04040002
Latitude  41°50'33", Longitude  87°48'52" NAD27
Land-surface elevation 619.40 feet above NGVD29
The depth of the well is 1,980 feet below land surface.
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Graph of groundwater level data at USGS 415033087485201 39N12E-25.5d3
Breaks in the plot represent a gap of at least one year between field measurements.
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