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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 421404089031001 43N2E-6.6f

Winnebago County, Illinois
Latitude  42°14'04", Longitude  89°03'10" NAD27
Land-surface elevation 762.5 feet above NGVD29
The depth of the well is 215 feet below land surface.
The depth of the hole is 220 feet below land surface.
This well is completed in the Cambrian-Ordovician aquifer system (S300CAMORD) national aquifer.
This well is completed in the Galena-Platteville Groups (365GLPV) local aquifer.

Period of record
Begin Date End Date Levels
1993-10-21 1994-02-02 3

 
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