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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 405433073344603 N 7191. 1

Nassau County, New York
Latitude  40°54'33", Longitude  73°34'46" NAD27
Land-surface elevation 14.0 feet above NGVD29
The depth of the well is 142 feet below land surface.
This well is completed in the Port Washington Confining Unit (112PGFG) local aquifer.

Period of record
Begin Date End Date Levels
1961-09-07 1984-06-14 135

 
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