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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 421849088140801 44N 9E- 7.8h

Mchenry County, Illinois
Latitude  42°18'49", Longitude  88°14'08" NAD27
Land-surface elevation 750 feet above NGVD29
The depth of the well is 91 feet below land surface.

Period of record
Begin Date End Date Levels
1968-01-01 1979-05-01 2

 
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