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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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USGS 405436073333801 N 12618. 1

Nassau County, New York
Hydrologic Unit Code 02030201
Latitude  40°54'36", Longitude  73°33'38" NAD27
Land-surface elevation 32.5 feet above NGVD29
The depth of the well is 410 feet below land surface.
The depth of the hole is 430 feet below land surface.
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Graph of groundwater level data at USGS 405436073333801 N 12618. 1
Breaks in the plot represent a gap of at least one year between field measurements.
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