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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 405406073322001 N 12747. 1

Nassau County, New York
Latitude  40°54'07.04", Longitude  73°31'17.29" NAD83
Land-surface elevation 10 feet above NGVD29
The depth of the well is 515 feet below land surface.

Period of record
Begin Date End Date Levels
1996-12-12 1997-09-17 6

 
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