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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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USGS 381745076381201 SM Dd 1

St. Mary'S County, Maryland
Hydrologic Unit Code 02070011
Latitude  38°17'42.5", Longitude  76°38'11.7" NAD83
Land-surface elevation 93.28 feet above NGVD29
The depth of the well is 494 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.
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Graph of groundwater level data at USGS 381745076381201 SM Dd 1
Breaks in the plot represent a gap of at least one year between field measurements.
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