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Groundwater levels for Illinois

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! Important: Next Generation Monitoring Location Page

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  • 421900088303501
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USGS 421900088303501 44N 6E- 2.2a

Mchenry County, Illinois
Hydrologic Unit Code 07090006
Latitude  42°19'00", Longitude  88°30'35" NAD27
Land-surface elevation 865 feet above NGVD29
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Graph of groundwater level data at USGS 421900088303501 44N 6E- 2.2a
Breaks in the plot represent a gap of at least one year between field measurements.
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