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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 381626076393401 SM Dd 72

St. Mary'S County, Maryland
Latitude  38°16'26.4", Longitude  76°39'34.6" NAD83
Land-surface elevation 109.99 feet above NAVD88
The depth of the well is 1,340 feet below land surface.
The depth of the hole is 1,650 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 Lower Patapsco Aquifer In the Patapsco Formation (217PPSCL) local aquifer.

Period of record
Begin Date End Date Levels
2001-05-25 2024-09-11 95

 
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