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Groundwater levels for the Nation

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USGS 394731075465501 CH 6931

Chester County, Pennsylvania
Hydrologic Unit Code 02040205
Latitude  39°47'30.6", Longitude  75°46'55.2" NAD83
Land-surface elevation 371 feet above NGVD29
The depth of the well is 222 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 Wissahickon Formation, Oligoclase Mica Schist (300WSCKO) local aquifer.
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Graph of groundwater level data at USGS 394731075465501 CH 6931
Breaks in the plot represent a gap of at least one year between field measurements.
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