The Water Map

New Jersey

New Jersey drinking water quality

Every public water system in New Jersey we've verified. Each report covers one calendar year and shows the utility's own measured contaminant levels against federal limits.

Want the national picture? See where New Jersey lands in our ranking of the states with the most open health-based water violations, pulled from the EPA's own records for every U.S. public water system.

1,171 water systems mapped in New Jersey · showing the 800 with the most contaminant flags — explore them all on the map

Browse all 1,171 systems A–Z:123