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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 404619073270601 N 3355. 2

Nassau County, New York
Latitude  40°46'18", Longitude  73°27'04" NAD27
Land-surface elevation 183.0 feet above NGVD29
The depth of the well is 1,093 feet below land surface.
The depth of the hole is 1,248 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 Lloyd Aquifer (211LLYD) local aquifer.

Period of record
Begin Date End Date Levels
1956-01-05 2024-10-17 520

 
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