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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 421825089374401 27N 8E-30.7d2

Stephenson County, Illinois
Latitude  42°18'25", Longitude  89°37'44" NAD27
Land-surface elevation 755 feet above NGVD29
The depth of the well is 472 feet below land surface.
The depth of the hole is 472 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.

Period of record
Begin Date End Date Levels
1964-06-30 1969-06-23 3

 
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