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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 421653088370902 44N5E-23.5g2 (MARN-10-03)

Mchenry County, Illinois
Latitude  42°16'52.96", Longitude  88°37'09.29" NAD83
Land-surface elevation 828.02 feet above NAVD88
The depth of the well is 160 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
2011-05-02 2024-07-30 51

 
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