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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 400636075383901 CH 4001

Chester County, Pennsylvania
Latitude  40°06'36", Longitude  75°38'39" NAD27
Land-surface elevation 492 feet above NGVD29
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
1990-09-13 1990-09-13 1

 
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