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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 405123073404401 N 12343. 1

Nassau County, New York
Latitude  40°51'23", Longitude  73°40'44" NAD27
Land-surface elevation 62 feet above NAVD88
The depth of the well is 259 feet below land surface.

Period of record
Begin Date End Date Levels
1993-12-29 2016-05-23 18

 
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