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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 421937089001701 45N 2E-33.3a1

Winnebago County, Illinois
Latitude  42°19'37", Longitude  89°00'17" NAD27
Land-surface elevation 894 feet above NAVD88
The depth of the well is 1,313 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
1985-11-20 1985-11-20 1

 
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