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Groundwater levels for the Nation

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USGS 404311073371601 N 9398. 1

Nassau County, New York
Hydrologic Unit Code 02030202
Latitude  40°43'11", Longitude  73°37'16" NAD27
Land-surface elevation 65.0 feet above NGVD29
The depth of the well is 22 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 Glacial Aquifer, Upper (112GLCLU) local aquifer.
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Graph of groundwater level data at USGS 404311073371601 N 9398. 1
Breaks in the plot represent a gap of at least one year between field measurements.
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