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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 400509075372901 CH 4091

Chester County, Pennsylvania
Latitude  40°05'09", Longitude  75°37'29" NAD27
Land-surface elevation 360 feet above NGVD29
The depth of the well is 290 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 Graphitic Gneiss, Amphibolite Facies (400GPCGA) local aquifer.

Period of record
Begin Date End Date Levels
1990-10-11 1990-10-11 1

 
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