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For Immediate Release

Press Release

'Forever Chemicals' in Over 500 N.J. Water Systems and Sources–More Than 1,000 Contamination Sites Nationwide


The toxic fluorinated chemicals known as PFAS have been detected in more than 500 New Jersey drinking water systems and groundwater sources, according to the latest state and federal data compiled and mapped by EWG.

The 470 new detections reported as of August by the New Jersey Department of Environmental Protection, or DEP, brings the total number of PFAS-contaminated water systems and sources in the state to 517 – more than 11 times as many as the 47 locations in EWG’s previous count.

The new detections include PFAS in both treated tap water and untreated groundwater, mostly from DEP-mandated tests this year. Details of the new detections – locations, people served by the water systems, sources sampled and PFAS compounds detected – are here.

The total of 517 New Jersey locations includes 221 community water systems serving more than 3.6 million people, and 296 systems serving single sites without permanent residents. Besides the DEP’s recent tests, the total includes PFAS detections reported under the U.S. Environmental Protection Agency’s Third Unregulated Contaminant Monitoring Rule and in its Safe Drinking Water Information System, in Department of Defense reports, in DOD data obtained by EWG under the Freedom of Information Act, and additional sites tracked by the Social Science Environmental Health Research Institute at Northeastern University.

Nationwide, PFAS contamination has now been reported in 1,361 locations in 49 states, including community water systems, groundwater sources, military bases, airports and industrial sites. All contamination locations are plotted on EWG’s newly updated interactive PFAS map. EWG’s analysis of unreleased EPA data estimates that more than 100 million Americans may have PFAS in their drinking water.

Very low doses of PFAS chemicals in drinking water have been linked to an increased risk of cancer, reproductive and immune system harm, liver and thyroid disease, and other health problems.

All but five of the total detections in New Jersey water exceeded 1 part per trillion, or ppt, the safe level recommended by the best independent studies and endorsed by EWG. More than 65 of the detections exceeded the legal limits for three PFAS chemicals proposed or adopted by the state.

In the absence of a federal drinking water standard, in April the New Jersey DEP proposed drinking water limits of 13 ppt for PFOA and 14 ppt for PFOS, the two most notorious and well-studied fluorinated compounds. Those proposals are pending public review and comment. In the meantime, the DEP has set an interim standard of 10 ppt for either chemical alone or in combination. The state earlier adopted a legal limit of 13 ppt for PFNA, one of four other PFAS compounds detected besides PFOA and PFOS.

The highest detection in New Jersey was 264,000 ppt of combined PFOA and PFOS in a groundwater monitoring well at Joint Base McGuire-Dix-Lakehurst, in Burlington County. Several other detections – in community water systems serving Camden, Paulsboro, South Orange, Mahwah, Waldwick, Raritan and Atlantic City – were above 70 ppt, the inadequate lifetime health advisory level set by the EPA for PFOA and PFOS.

Over a hundred of the New Jersey water systems with new detections serve schools and daycare centers with their own water supplies not connected to the local community water system, with many exceeding the state’s proposed or adopted legal limits for PFOA, PFOS or PFNA. Other new detection sites include hospitals, mobile home parks, churches and shopping centers with their own systems.

More detections are likely coming soon. The DEP will require systems using surface water and all larger systems serving more than 10,000 people to test for PFAS in the first quarter of next year.

EWG’s nationwide PFAS map shows not the current level of contamination in tap water but rather the extent of contaminated locations identified since 2013. Maximum detection levels shown on the map are a snapshot of the water source when it was tested, not necessarily what is coming out of taps now. Water systems may have taken contaminated wells offline, blended water from contaminated wells with cleaner sources, or installed water treatment to reduce PFAS levels.

PFAS are “forever chemicals” that never break down once released into the environment, and they build up in our blood and organs. According to the federal Centers for Disease Control and Prevention, virtually all Americans have PFAS in their blood.

Major sources of contamination are PFAS-based firefighting foams, industrial discharges into air and water, and PFAS in food packaging and other consumer products. Once released to the environment, PFAS enter our bodies through food, drinking water and other routes.

Military and civilian firefighters continue to use PFAS firefighting foams that seep into drinking water supplies, contaminating hundreds of military installations. In May, New Jersey’s attorney general filed a lawsuit against 3M, DuPont and other companies for making and selling PFAS-based firefighting foams.

Manufacturers also continue to discharge PFAS into the air and water. Nearly 500 facilities nationwide are suspected of releases of PFAS chemicals, including at least eight suspected facilities in New Jersey.

PFAS manufacturers are not required to clean up past contamination, even though companies like 3M and DuPont knowingly released PFAS chemicals for decades. Internal company documents show that the companies knew the risks PFAS posed to their workers and neighboring communities but didn’t tell regulators.

Congress may soon adopt PFAS reforms included in the House and Senate versions of a must-pass defense spending bill, the National Defense Authorization Act. Provisions in the bill would quickly end military uses of PFAS in firefighting foam and food packaging, reduce industrial discharges into drinking water supplies, remediate sites with the worst contamination, set a national drinking water standard and expand PFAS monitoring and reporting.


The Environmental Working Group is a community 30 million strong, working to protect our environmental health by changing industry standards.

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