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Groundwater levels for Illinois

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USGS 421511088370801 44N 5E-35.3g1

Mchenry County, Illinois
Hydrologic Unit Code 07090006
Latitude  42°15'11", Longitude  88°37'08" NAD27
Land-surface elevation 817 feet above NGVD29
The depth of the well is 1,028 feet below land surface.
The depth of the hole is 1,028 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 421511088370801 44N 5E-35.3g1
Breaks in the plot represent a gap of at least one year between field measurements.
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