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DESCRIPTION:

Latitude 40°48'32.5",   Longitude 73°33'28.9"   NAD83
Nassau County, New York   , Hydrologic Unit 02030202

Well depth: 175.0 feet
Land surface altitude: 228.0 feet above NGVD29.
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)	2016-06-15	2025-08-01
Daily Data
Groundwater level above NGVD 1929, feet	2016-06-16	2021-05-03	1445
Groundwater level above NAVD 1988, feet	2021-05-05	2025-07-31	1446
Daily Statistics
Groundwater level above NGVD 1929, feet	2016-06-16	2021-05-03	1445
Groundwater level above NAVD 1988, feet	2021-05-05	2025-06-03	1388
Monthly Statistics
Groundwater level above NGVD 1929, feet	2016-06	2021-05
Groundwater level above NAVD 1988, feet	2021-05	2025-06
Annual Statistics
Groundwater level above NGVD 1929, feet	2016	2021
Groundwater level above NAVD 1988, feet	2021	2025
Field groundwater-level measurements	1974-10-31	2024-08-12	256
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1976-06-23	2022-07-05	14
Water-Year Summary	2005	2024	16
Revisions	Loading...
Additional Data Sources	Begin Date	End Date	Count

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