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Groundwater levels for the Nation

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Agency code = usgs
site_no list =
  • 400010075464501
Minimum number of levels = 1
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USGS 400010075464501 CH 4540

Chester County, Pennsylvania
Hydrologic Unit Code 02040205
Latitude  40°00'10", Longitude  75°46'45" NAD27
Land-surface elevation 600 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 Antietam Formation (377ANTM) local aquifer.
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Graph of groundwater level data at USGS 400010075464501 CH 4540
Breaks in the plot represent a gap of at least one year between field measurements.
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