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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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USGS 421611089031101 44N 2E-19.7b1

Winnebago County, Illinois
Hydrologic Unit Code 07090005
Latitude  42°16'11", Longitude  89°03'11" NAD27
Land-surface elevation 810 feet above NAVD88
The depth of the well is 237 feet below land surface.
This well is completed in the Sand and gravel aquifers (glaciated regions) (N100GLCIAL) national aquifer.
This well is completed in the Quaternary System (110QRNR) local aquifer.
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Graph of groundwater level data at USGS 421611089031101 44N 2E-19.7b1
Breaks in the plot represent a gap of at least one year between field measurements.
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