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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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USGS 400258075545001 CH 4139

Chester County, Pennsylvania
Hydrologic Unit Code 02050306
Latitude  40°02'58", Longitude  75°54'50" NAD27
Land-surface elevation 895 feet above NGVD29
This well is completed in the Piedmont and Blue Ridge crystalline-rock aquifers (N400PDMBRX) national aquifer.
This well is completed in the Chickies Formation (377CCKS) local aquifer.
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Graph of groundwater level data at USGS 400258075545001 CH 4139
Breaks in the plot represent a gap of at least one year between field measurements.
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