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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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USGS 381718076234001 SM Dg 20

St. Mary'S County, Maryland
Hydrologic Unit Code 02060004
Latitude  38°17'20.6", Longitude  76°23'41.9" NAD83
Land-surface elevation 12 feet above NGVD29
The depth of the well is 335 feet below land surface.
The depth of the hole is 335 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.
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Graph of groundwater level data at USGS 381718076234001 SM Dg 20
Breaks in the plot represent a gap of at least one year between field measurements.
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