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DESCRIPTION:

Latitude 40°38'57.1",   Longitude 73°39'24.8"   NAD83
Nassau County, New York   , Hydrologic Unit 020302020204

Well depth: 666.0 feet
Land surface altitude: 6.0 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)	2025-08-18	2026-01-06
Daily Data
Groundwater level above NAVD 1988, feet	2025-08-19	2026-01-04	137
Daily Statistics
Groundwater level above NAVD 1988, feet	2025-08-19	2025-11-23	97
Monthly Statistics
Groundwater level above NAVD 1988, feet	2025-08	2025-11
Annual Statistics
Groundwater level above NAVD 1988, feet	2025	2026
Field groundwater-level measurements	1961-10-11	2025-08-18	438
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1983-10-04	1996-06-24	5
Water-Year Summary	2025	2025	1
Revisions	Loading...
Additional Data Sources	Begin Date	End Date	Count

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