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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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USGS 400257075355301 CH 3921

Chester County, Pennsylvania
Hydrologic Unit Code 02040205
Latitude  40°02'57", Longitude  75°35'53" NAD27
Land-surface elevation 395 feet above NGVD29
The depth of the well is 28.5 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 Antietam Formation (377ANTM) local aquifer.
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Graph of groundwater level data at USGS 400257075355301 CH 3921
Breaks in the plot represent a gap of at least one year between field measurements.
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