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Groundwater levels for the Nation

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USGS 400417075321501 CH 4236

Chester County, Pennsylvania
Hydrologic Unit Code 02040203
Latitude  40°04'17", Longitude  75°32'15" NAD27
Land-surface elevation 330 feet above NGVD29
The depth of the well is 222 feet below land surface.
This well is completed in the Piedmont and Blue Ridge carbonate-rock aquifers (N400PDMBRC) national aquifer.
This well is completed in the Ledger Formation (377LDGR) local aquifer.
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Graph of groundwater level data at USGS 400417075321501 CH 4236
Breaks in the plot represent a gap of at least one year between field measurements.
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