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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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USGS 415552088465601 40N 4E-21.4f1

Dekalb County, Illinois
Hydrologic Unit Code 07090006
Latitude  41°55'52", Longitude  88°46'56" NAD27
Land-surface elevation 885 feet above NGVD29
The depth of the well is 1,307 feet below land surface.
The depth of the hole is 1,316 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 415552088465601 40N 4E-21.4f1
Breaks in the plot represent a gap of at least one year between field measurements.
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