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DESCRIPTION:

Latitude 40°35'17.13",   Longitude 73°43'04.61"   NAD83
Nassau County, New York   , Hydrologic Unit 02030202

Well depth: 677.0 feet
Land surface altitude: 9.85 feet above NAVD88.
Well completed in "Northern Atlantic Coastal Plain aquifer system" (S100NATLCP) national aquifer.
Well completed in "Magothy Aquifer" (211MAGT) local aquifer

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2003-09-30	2025-07-16
Daily Data
Groundwater level above NGVD 1929, feet	2003-10-01	2025-07-15	7367
Groundwater level above NAVD 1988, feet	2003-10-01	2025-12-15	7428
Daily Statistics
Groundwater level above NGVD 1929, feet	2003-10-01	2025-07-15	7367
Groundwater level above NAVD 1988, feet	2003-10-01	2025-12-15	7428
Monthly Statistics
Groundwater level above NGVD 1929, feet	2003-10	2025-07
Groundwater level above NAVD 1988, feet	2003-10	2025-12
Annual Statistics
Groundwater level above NGVD 1929, feet	2004	2025
Groundwater level above NAVD 1988, feet	2004	2026
Field groundwater-level measurements	1961-04-13	2025-09-11	595
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1960-07-19	1987-05-21	6
Water-Year Summary	2005	2025	16
Revisions	Loading...
Additional Data Sources	Begin Date	End Date	Count

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