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Groundwater levels for the Nation

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USGS 405121073432101 N 12318. 1

Nassau County, New York
Hydrologic Unit Code 02030201
Latitude  40°51'21.1", Longitude  73°43'18.5" NAD83
Land-surface elevation 9 feet above NGVD29
The depth of the well is 195 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 North Shore Aquifer (112NTSR) local aquifer.
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Graph of groundwater level data at USGS 405121073432101 N 12318. 1
Breaks in the plot represent a gap of at least one year between field measurements.
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