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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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USGS 400447075343001 CH 3940

Chester County, Pennsylvania
Hydrologic Unit Code 02040203
Latitude  40°04'47", Longitude  75°34'30" NAD27
Land-surface elevation 470 feet above NGVD29
The depth of the well is 340 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 and Intermediate Gneiss, Amphibolite Facies (400FCIGA) local aquifer.
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Graph of groundwater level data at USGS 400447075343001 CH 3940
Breaks in the plot represent a gap of at least one year between field measurements.
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