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Groundwater levels for Illinois

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! Important: Next Generation Monitoring Location Page

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  • 421020088334501
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USGS 421020088334501 43N6E-29.5c

Mchenry County, Illinois
Hydrologic Unit Code 07090006
Latitude  42°10'20", Longitude  88°33'45" NAD27
Land-surface elevation 903 feet above NGVD29
The depth of the well is 400 feet below land surface.
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Graph of groundwater level data at USGS 421020088334501 43N6E-29.5c
Breaks in the plot represent a gap of at least one year between field measurements.
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