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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 400708075420401 CH 4100

Chester County, Pennsylvania
Latitude  40°07'08", Longitude  75°42'04" NAD27
Land-surface elevation 635 feet above NGVD29
The depth of the well is 69 feet below land surface.
This well is completed in the Piedmont and Blue Ridge crystalline-rock aquifers (N400PDMBRX) national aquifer.
This well is completed in the Felsic Gneiss, Granulite Facies (400FLCGG) local aquifer.

Period of record
Begin Date End Date Levels
1990-10-19 1990-10-19 1

 
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