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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 405458087484601 28N13W-15.2g

Iroquois County, Illinois
Latitude  40°54'58.4", Longitude  87°48'46.5" NAD83
Land-surface elevation 630 feet above NGVD29
The depth of the well is 49.85 feet below land surface.
The depth of the hole is 50.35 feet below land surface.
This well is completed in the Sand and gravel aquifers (glaciated regions) (N100GLCIAL) national aquifer.
This well is completed in the Quaternary System (110QRNR) local aquifer.

Period of record
Begin Date End Date Levels
1999-07-09 2021-04-07 20

 
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