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DESCRIPTION:

Latitude 40°35'05.9",   Longitude 73°40'11.1"   NAD83
Nassau County, New York   , Hydrologic Unit 02030202

Well depth: 1255.0 feet
Hole depth: 1475.0 feet
Land surface altitude: 11.0 feet above NGVD29.
Well completed in "Northern Atlantic Coastal Plain aquifer system" (S100NATLCP) national aquifer.
Well completed in "Lloyd Aquifer" (211LLYD) local aquifer

AVAILABLE DATA:

Data Type	Begin Date	End Date	Count
Current / Historical Observations     (availability statement)	2007-10-01	2025-11-24
Daily Data
Groundwater level above NGVD 1929, feet	2002-08-16	2025-11-23	6563
Daily Statistics
Groundwater level above NGVD 1929, feet	2002-08-16	2025-11-23	6563
Monthly Statistics
Groundwater level above NGVD 1929, feet	2002-08	2025-11
Annual Statistics
Groundwater level above NGVD 1929, feet	2002	2026
Field groundwater-level measurements	1987-11-23	2025-09-22	235
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1987-06-09	2006-11-21	4
Water-Year Summary	2005	2025	16
Revisions	Loading...
Additional Data Sources	Begin Date	End Date	Count

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