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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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USGS 413348087395701 36N14E-31.5d1

Cook County, Illinois
Hydrologic Unit Code 07120003
Latitude  41°33'48", Longitude  87°39'57" NAD27
Land-surface elevation 625 feet above NGVD29
The depth of the well is 1,691 feet below land surface.
This well is completed in the Cambrian-Ordovician aquifer system (S300CAMORD) national aquifer.
This well is completed in the St. Peter Sandstone (365STPR) local aquifer.
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Graph of groundwater level data at USGS 413348087395701 36N14E-31.5d1
Breaks in the plot represent a gap of at least one year between field measurements.
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