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DESCRIPTION:

Latitude 40°41'24.6",   Longitude 73°39'47.2"   NAD83
Nassau County, New York   , Hydrologic Unit 02030202

Well depth: 55.0 feet
Hole depth: 55.00 feet
Land surface altitude: 49.45 feet above NAVD88.
Well completed in "Northern Atlantic Coastal Plain aquifer system" (S100NATLCP) national aquifer.
Well completed in "Glacial Aquifer, Upper" (112GLCLU) local aquifer

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2002-10-25	2025-11-20
Daily Data
Groundwater level above NGVD 1929, feet	2002-10-26	2024-07-12	7129
Groundwater level above NAVD 1988, feet	2002-10-26	2025-11-19	8256
Daily Statistics
Groundwater level above NGVD 1929, feet	2002-10-26	2024-06-23	7116
Groundwater level above NAVD 1988, feet	2002-10-26	2025-11-19	8256
Monthly Statistics
Groundwater level above NGVD 1929, feet	2002-10	2024-06
Groundwater level above NAVD 1988, feet	2002-10	2025-11
Annual Statistics
Groundwater level above NGVD 1929, feet	2003	2024
Groundwater level above NAVD 1988, feet	2003	2026
Field groundwater-level measurements	2002-10-25	2025-07-30	203
Water-Year Summary	2005	2025	13
Revisions	Loading...
Additional Data Sources	Begin Date	End Date	Count

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