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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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USGS 403517073430703 N 6703. 1

Nassau County, New York
Hydrologic Unit Code 02030202
Latitude  40°35'17.0", Longitude  73°43'04.5" NAD83
Land-surface elevation 10.0 feet above NGVD29
The depth of the well is 478 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 Magothy Aquifer (211MAGT) local aquifer.
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Graph of groundwater level data at USGS 403517073430703 N 6703. 1
Breaks in the plot represent a gap of at least one year between field measurements.
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