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DESCRIPTION:

Latitude 40°54'33.4",   Longitude 73°34'44.9"   NAD83
Nassau County, New York   , Hydrologic Unit 02030201

Well depth: 370. feet
Land surface altitude: 14.5 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)	2016-06-29	2025-09-04
Daily Data
Groundwater level above NGVD 1929, feet	2016-06-30	2025-09-01	3135
Daily Statistics
Groundwater level above NGVD 1929, feet	2016-06-30	2025-07-31	3133
Monthly Statistics
Groundwater level above NGVD 1929, feet	2016-06	2025-07
Annual Statistics
Groundwater level above NGVD 1929, feet	2016	2025
Field groundwater-level measurements	1961-09-07	2025-08-01	526
Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP)	1970-09-22	1993-04-21	4
Water-Year Summary	2005	2024	16
Revisions	Loading...
Additional Data Sources	Begin Date	End Date	Count

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