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Groundwater levels for the Nation

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  • 381527076283101
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USGS 381527076283101 SM Df 71

St. Mary'S County, Maryland
Hydrologic Unit Code 02070011
Latitude  38°15'25.1", Longitude  76°28'31.0" NAD83
Land-surface elevation 69.15 feet above NGVD29
The depth of the well is 560 feet below land surface.
The depth of the hole is 620 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 (125AQUI) local aquifer.
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Graph of groundwater level data at USGS 381527076283101 SM Df 71
Breaks in the plot represent a gap of at least one year between field measurements.
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