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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 381607076241401 SM Dg 18

St. Mary'S County, Maryland
Latitude  38°16'09.8", Longitude  76°24'11.8" NAD83
Land-surface elevation 18 feet above NGVD29
The depth of the well is 553 feet below land surface.
The depth of the hole is 573 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 Aquia Formation or Aquifer (125AQUI) local aquifer.

Period of record
Begin Date End Date Levels
1998-02-19 2024-09-10 49

 
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