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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 413003090252401 18N 1E-31.4a1

Rock Island County, Illinois
Latitude  41°30'03", Longitude  90°25'24" NAD27
Land-surface elevation 695 feet above NGVD29
The depth of the well is 554 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
1985-07-22 1985-07-22 1

 
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