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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 381548076272102 SM Df 84

St. Mary'S County, Maryland
Latitude  38°15'47.2", Longitude  76°27'21.8" NAD83
Land-surface elevation 108.39 feet above NGVD29
The depth of the well is 912 feet below land surface.
The depth of the hole is 2,682 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 Upper Patapsco Aquifer In the Patapsco Formation (217PPSCU) local aquifer.

Period of record
Begin Date End Date Levels
1983-01-05 2024-09-12 326

 
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