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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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Agency code = usgs
site_no list =
  • 421425088301301
Minimum number of levels = 1
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USGS 421425088301301 44N 6E-31.8a

Mchenry County, Illinois
Hydrologic Unit Code 07090006
Latitude  42°14'25", Longitude  88°30'13" NAD27
Land-surface elevation 830 feet above NGVD29
The depth of the well is 149 feet below land surface.
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Graph of groundwater level data at USGS 421425088301301 44N 6E-31.8a
Breaks in the plot represent a gap of at least one year between field measurements.
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