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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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USGS 381717076304001 SM De 21

St. Mary'S County, Maryland
Hydrologic Unit Code 02070011
Latitude  38°17'17", Longitude  76°30'40" NAD27
Land-surface elevation 115.00 feet above NGVD29
The depth of the well is 400 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 Nanjemoy Formation (124NNJM) local aquifer.
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Graph of groundwater level data at USGS 381717076304001 SM De 21
Breaks in the plot represent a gap of at least one year between field measurements.
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