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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 405307073354602 N 12646. 1

Nassau County, New York
Latitude  40°53'06.7", Longitude  73°35'43.7" NAD83
Land-surface elevation 89.0 feet above NGVD29
The depth of the well is 540 feet below land surface.
The depth of the hole is 545 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
1996-03-19 2024-05-10 39

 
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