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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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USGS 421636089090201 44N 1E-20.7f1

Winnebago County, Illinois
Hydrologic Unit Code 07090005
Latitude  42°16'36", Longitude  89°09'02" NAD27
Land-surface elevation 819 feet above NAVD88
The depth of the well is 1,205 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 421636089090201 44N 1E-20.7f1
Breaks in the plot represent a gap of at least one year between field measurements.
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