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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 380711076222201 SM Fg 45

St. Mary'S County, Maryland
Latitude  38°07'11.8", Longitude  76°22'20.7" NAD83
Land-surface elevation 65 feet above NGVD29
The depth of the well is 436 feet below land surface.
The depth of the hole is 436 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 Piney Point Formation (124PNPN) local aquifer.

Period of record
Begin Date End Date Levels
1966-05-10 2019-09-26 400

 
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