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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 =
  • 420323088024301
Minimum number of levels = 1
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USGS 420323088024301 41N10E-12.7d1

Cook County, Illinois
Hydrologic Unit Code 07120004
Latitude  42°03'28", Longitude  88°02'45" NAD27
Land-surface elevation 740 feet above NGVD29
The depth of the well is 0,258 feet below land surface.
This well is completed in the Silurian-Devonian aquifers (N400SLRDVN) national aquifer.
This well is completed in the Silurian System (350SLRN) local aquifer.
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Graph of groundwater level data at USGS 420323088024301 41N10E-12.7d1
Breaks in the plot represent a gap of at least one year between field measurements.
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