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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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USGS 400452075292901 CH 3991

Chester County, Pennsylvania
Hydrologic Unit Code 02040203
Latitude  40°04'52", Longitude  75°29'29" NAD27
Land-surface elevation 450 feet above NGVD29
The depth of the well is 405 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 Harpers Formation (377HRPR) local aquifer.
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Graph of groundwater level data at USGS 400452075292901 CH 3991
Breaks in the plot represent a gap of at least one year between field measurements.
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