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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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USGS 400152075360801 CH 4166

Chester County, Pennsylvania
Hydrologic Unit Code 02040205
Latitude  40°01'52", Longitude  75°36'08" NAD27
Land-surface elevation 370 feet above NGVD29
The depth of the well is 85 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 Conestoga Formation (367CNSG) local aquifer.
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Graph of groundwater level data at USGS 400152075360801 CH 4166
Breaks in the plot represent a gap of at least one year between field measurements.
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