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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 421834089213501 27N10E-29.1d1

Winnebago County, Illinois
Latitude  42°18'32", Longitude  89°21'38" NAD27
Land-surface elevation 770 feet above NGVD29
The depth of the well is 750 feet below land surface.
The depth of the hole is 750 feet below land surface.
This well is completed in the Cambrian-Ordovician aquifer system (S300CAMORD) national aquifer.
This well is completed in the Galesville Member of Wonewoc Formation (372GLVL) local aquifer.

Period of record
Begin Date End Date Levels
1986-04-16 2020-06-22 10

 
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