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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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USGS 401233075384601 CH 3687

Chester County, Pennsylvania
Hydrologic Unit Code 02040203
Latitude  40°12'33", Longitude  75°38'46" NAD27
Land-surface elevation 321 feet above NGVD29
The depth of the well is 172 feet below land surface.
This well is completed in the Early Mesozoic basin aquifers (N300ERLMZC) national aquifer.
This well is completed in the Hammer Creek Formation (231HMCK) local aquifer.
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Graph of groundwater level data at USGS 401233075384601 CH 3687
Breaks in the plot represent a gap of at least one year between field measurements.
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