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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 401111075400501 CH 3812

Chester County, Pennsylvania
Latitude  40°11'11", Longitude  75°40'05" NAD27
Land-surface elevation 475 feet above NGVD29
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.

Period of record
Begin Date End Date Levels
1990-03-05 1990-03-05 1

 
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