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Groundwater levels for the Nation

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USGS 400318075382901 CH 4830

Chester County, Pennsylvania
Hydrologic Unit Code 02040203
Latitude  40°03'18", Longitude  75°38'29" NAD27
Land-surface elevation 508 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 Felsic and Intermediate Gneiss, Amphibolite Facies (400FCIGA) local aquifer.
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Graph of groundwater level data at USGS 400318075382901 CH 4830
Breaks in the plot represent a gap of at least one year between field measurements.
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