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DESCRIPTION:

Latitude 40°40'30.1",   Longitude 73°29'40.8"   NAD83
Nassau County, New York   , Hydrologic Unit 02030202

Well depth: 723.0 feet
Hole depth: 723.0 feet
Land surface altitude: 25.12 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)	2003-09-12	2026-01-03
Daily Data
Groundwater level above NGVD 1929, feet	2003-09-12	2025-08-13	7261
Groundwater level above NAVD 1988, feet	2003-09-12	2026-01-01	7404
Daily Statistics
Groundwater level above NGVD 1929, feet	2003-09-12	2025-08-13	7261
Groundwater level above NAVD 1988, feet	2003-09-12	2025-11-20	7362
Monthly Statistics
Groundwater level above NGVD 1929, feet	2003-09	2025-08
Groundwater level above NAVD 1988, feet	2003-09	2025-11
Annual Statistics
Groundwater level above NGVD 1929, feet	2003	2025
Groundwater level above NAVD 1988, feet	2003	2026
Field groundwater-level measurements	1952-06-06	2025-08-14	572
Water-Year Summary	2005	2025	18
Revisions	Loading...
Additional Data Sources	Begin Date	End Date	Count

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