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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 381404076403501 SM Ec 12

St. Mary'S County, Maryland
Latitude  38°14'04", Longitude  76°40'35" NAD27
Land-surface elevation 4.00 feet above NGVD29
The depth of the well is 230 feet below land surface.
This well is completed in the Northern Atlantic Coastal Plain aquifer system (S100NATLCP) national aquifer.
This well is completed in the Nanjemoy Formation (124NNJM) local aquifer.

Period of record
Begin Date End Date Levels
1950-06-09 1950-06-09 1

 
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