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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

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USGS 405102073321101 N 12855. 1

Nassau County, New York
Hydrologic Unit Code 02030201
Latitude  40°51'02", Longitude  73°32'11" NAD27
Land-surface elevation 177 feet above NAVD88
The depth of the well is 910.0 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 Lloyd Aquifer (211LLYD) local aquifer.
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Graph of groundwater level data at USGS 405102073321101 N 12855. 1
Breaks in the plot represent a gap of at least one year between field measurements.
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