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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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USGS 421359088323201 43N 6E- 4.5d1

Mchenry County, Illinois
Hydrologic Unit Code 07090006
Latitude  42°13'59", Longitude  88°32'32" NAD27
Land-surface elevation 840 feet above NGVD29
The depth of the well is 760 feet below land surface.
The depth of the hole is 760 feet below land surface.
This well is completed in the Cambrian-Ordovician aquifer system (S300CAMORD) national aquifer.
This well is completed in the St. Peter Sandstone (365STPR) local aquifer.
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Graph of groundwater level data at USGS 421359088323201 43N 6E- 4.5d1
Breaks in the plot represent a gap of at least one year between field measurements.
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