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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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Agency code = usgs
site_no list =
  • 400636075383901
Minimum number of levels = 1
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USGS 400636075383901 CH 4001

Chester County, Pennsylvania
Hydrologic Unit Code 02040203
Latitude  40°06'36", Longitude  75°38'39" NAD27
Land-surface elevation 492 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 Graphitic Gneiss, Amphibolite Facies (400GPCGA) local aquifer.
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Graph of groundwater level data at USGS 400636075383901 CH 4001
Breaks in the plot represent a gap of at least one year between field measurements.
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