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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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USGS 400742075373101 CH 4042

Chester County, Pennsylvania
Hydrologic Unit Code 02040203
Latitude  40°07'42", Longitude  75°37'31" NAD27
Land-surface elevation 460 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 Mafic Gneiss, Hornblende-Bearing (400MFCGH) local aquifer.
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Graph of groundwater level data at USGS 400742075373101 CH 4042
Breaks in the plot represent a gap of at least one year between field measurements.
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