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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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USGS 405307073354602 N 12646. 1

Nassau County, New York
Hydrologic Unit Code 02030201
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.
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Graph of groundwater level data at USGS 405307073354602 N 12646. 1
Breaks in the plot represent a gap of at least one year between field measurements.
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