Skip to main content
U.S. flag

An official website of the United States government

Groundwater Resources of the New Jersey Coastal Plain

August 1, 2023

New interactive digital maps provide a view into the groundwater resources of 10 confined aquifers beneath Central and Southern New Jersey. Clickable map features provide the user with information pertaining to the map layers, including well construction information, measured groundwater levels, water level hydrographs, water use by aquifer and county, population trends by county, and chloride isochlors indicating where an aquifer may be prone to saltwater intrusion.