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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 421417088193001 43N 8E- 5.8d1

Mchenry County, Illinois
Latitude  42°14'17", Longitude  88°19'30" NAD27
Land-surface elevation 917 feet above NGVD29
The depth of the well is 2,000 feet below land surface.
The depth of the hole is 2,000 feet below land surface.

Period of record
Begin Date End Date Levels
1943-07-20 1961-10-27 8

 
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