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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 421241089433401 23N 3E-24.4a3

Carroll County, Illinois
Latitude  41°57'37", Longitude  89°53'53" NAD27
Land-surface elevation 640 feet above NGVD29
The depth of the well is 1,287 feet below land surface.
This well is completed in the Silurian-Devonian aquifers (N400SLRDVN) national aquifer.
This well is completed in the Silurian System (350SLRN) local aquifer.

Period of record
Begin Date End Date Levels
1987-02-18 1987-02-18 1

 
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