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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 421508088511604 44N 3E-35.6g4

Boone County, Illinois
Latitude  42°15'08.4", Longitude  88°51'16.3" NAD83
Land-surface elevation 777.2 feet above NGVD29
The depth of the well is 358.1 feet below land surface.
The depth of the hole is 605.0 feet below land surface.
This well is completed in the Cambrian-Ordovician aquifer system (S300CAMORD) national aquifer.
This well is completed in the St. Peter Sandstone (365STPR) local aquifer.

Period of record
Begin Date End Date Levels
1995-05-31 2020-11-19 29

 
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