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Groundwater levels for the Nation

! Important: Next Generation Monitoring Location Page

USGS 401930074271001 231500-- MT 21B Obs

Middlesex County, New Jersey
Latitude  40°19'30.2", Longitude  74°27'09.8" NAD83
Land-surface elevation 163 feet above NAVD88
The depth of the well is 519 feet below land surface.
The depth of the hole is 529 feet below land surface.
This well is completed in the Northern Atlantic Coastal Plain aquifer system (S100NATLCP) national aquifer.
This well is completed in the Farrington Sand Member of Raritan Formation (211FRNG) local aquifer.

Period of record
Begin Date End Date Levels
2000-04-03 2023-10-13 5

 
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