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USGS 405010073415009 N 12232. 1

  Well Site

DESCRIPTION:
Latitude 40°50'10.0",   Longitude 73°41'48.1"   NAD83
Nassau County, New York   , Hydrologic Unit 02030201
Well depth: 384.0 feet
Land surface altitude: 14.28 feet above NAVD88.
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)    2025-08-26  2026-01-23  
 Daily Data
    Groundwater level above NAVD 1988, feet  2025-08-27  2026-01-21  148 
 Daily Statistics 
    Groundwater level above NAVD 1988, feet  2025-08-27  2026-01-19 146 
 Monthly Statistics 
    Groundwater level above NAVD 1988, feet  2025-08  2026-01  
 Annual Statistics 
    Groundwater level above NAVD 1988, feet  2025  2026  
 Field groundwater-level measurements 1993-07-30  2025-08-26  194 
 Field/Lab water-quality samples (Legacy QW is frozen as of March 2024, newer data may be found on MLP) 1993-07-01  2003-12-02  7 
 Water-Year Summary 2005  2025  6 
 Revisions  Loading...

Additional Data Sources
Begin Date
End Date
Count
OPERATION:
Record for this site is maintained by the USGS New York Water Science Center
Email questions about this site to New York Water Science Center Water-Data Inquiries