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DESCRIPTION:

Latitude 40°49'42.23",   Longitude 73°41'50.86"   NAD83
Nassau County, New York   , Hydrologic Unit 02030201

Well depth: 165. feet
Hole depth: 167. feet
Land surface altitude: 41.0 feet above NGVD29.
Well completed in "Northern Atlantic Coastal Plain aquifer system" (S100NATLCP) national aquifer.
Well completed in "Gardiners Clay" (112GRDR) local aquifer

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Field groundwater-level measurements	1948-06-22	2025-05-27	365
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1975-11-19	1986-06-04	3
Revisions	Loading...
Additional Data Sources	Begin Date	End Date	Count
Annual Water-Data Report (pdf)  **offsite**	2010	2010	1

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