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Groundwater levels for the Nation

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USGS 400211075502101 CH 4209

Chester County, Pennsylvania
Hydrologic Unit Code 02040205
Latitude  40°02'11", Longitude  75°50'21" NAD27
Land-surface elevation 719 feet above NGVD29
The depth of the well is 130 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 Banded Mafic Gneiss, Amphibolite Facies (400BMFGA) local aquifer.
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Graph of groundwater level data at USGS 400211075502101 CH 4209
Breaks in the plot represent a gap of at least one year between field measurements.
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