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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 =
  • 420550087481402
Minimum number of levels = 1
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USGS 420550087481402 42N12E-23.6b3

Cook County, Illinois
Hydrologic Unit Code 07120003
Latitude  42°05'50", Longitude  87°48'14" NAD27
Land-surface elevation 627.5 feet above NGVD29
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Graph of groundwater level data at USGS 420550087481402 42N12E-23.6b3
Breaks in the plot represent a gap of at least one year between field measurements.
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