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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

Search Results -- 1 sites found

Agency code = usgs
site_no list =
  • 420442087560901
Minimum number of levels = 1
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USGS 420442087560901 42N11E-34.4g1

Cook County, Illinois
Hydrologic Unit Code 07120004
Latitude  42°04'38", Longitude  87°56'07" NAD27
Land-surface elevation 673 feet above NGVD29
The depth of the well is 1,822 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 420442087560901 42N11E-34.4g1
Breaks in the plot represent a gap of at least one year between field measurements.
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