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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 391542077423801 49Y 1 SOW 022

Loudoun County, Virginia
Latitude  39°15'42", Longitude  77°42'38" NAD27
Land-surface elevation 1,062.24 feet above NAVD88
The depth of the well is 516 feet below land surface.
This well is completed in the Piedmont and Blue Ridge crystalline-rock aquifers (N400PDMBRX) national aquifer.
This well is completed in the Precambrian Erathem (400PCMB) local aquifer.

Period of record
Begin Date End Date Levels
1963-11-19 2024-10-07 669

 
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