Research

EWG has researched actions the federal government is committed to taking, or for which it faces congressionally mandated deadlines, to tackle the “forever chemicals” known as PFAS.

The findings are just a small sample of what to expect when the Environmental Protection Agency releases first-time data from thousands of public water systems across the U.S. that is likely to show...

Taking ‘forever chemicals’ out of drinking water: EWG’s guide to PFAS water filters. Discover the most effective water filters for reducing PFAS contamination in your water. EWG's extensive tests...

Polar bears have a PFAS problem: Pollution from the “forever chemicals” known as PFAS contaminates polar bears, tigers, monkeys, pandas, dolphins and fish and has been documented in more than 330...

As far back as the 1970s, studies conducted by the Department of Defense showed that the firefighting foam used on military bases and ships known as aqueous film-forming foam, or AFFF, that contain...

As far back as the 1960s, animal studies showed the chemicals caused harm even months after exposure ended and industry studies showed they could migrate from paper and paperboard food packaging into...

The number of U.S. communities confirmed to be contaminated with the highly toxic fluorinated compounds known as PFAS continues to grow at an alarming rate. As of June 2022, 2,858 locations in 50...

Tap water samples from throughout Northern Virginia were contaminated with the “forever chemicals” known as PFAS at levels significantly higher than those previously reported for other parts of the...

For decades, firefighters have been exposed to the “forever chemicals” chemicals known as PFAS, through PFAS-based firefighting foams and firefighting gear coated with PFAS as a water repellant. Foam...

Rob Bilott's Exposure is a real-life whodunit, a page-turning courtroom drama, a David-and-Goliath story of one man against an industrial colossus and a shocking exposé of America's utterly broken...

Suspected industrial dischargers of the toxic fluorinated chemicals known as PFAS are located less than a mile of 27 schools or childcare facilities that maintain their own water systems, an EWG...

Congress may soon spend billions to upgrade our aging drinking water infrastructure, which would significantly improve the safety of our drinking water and create tens of thousands of jobs. The...

For the next COVID-19 stimulus bill, House leaders have proposed spending $75.9 billion over five years on water infrastructure. This urgent and long-overdue investment would enable community water...

New laboratory tests commissioned by EWG have for the first time found the toxic fluorinated chemicals known as PFAS in the drinking water of dozens of U.S. cities, including major metropolitan areas...

The Environmental Protection Agency was first alerted to the health hazards of toxic fluorinated chemicals, known as PFAS, in 1998. In the decades since, the agency has failed to set enforceable...

Drinking water sources for 74 community water systems serving 7.5 million Californians are contaminated with the highly toxic fluorinated chemicals called PFAS, according to an Environmental Working...

As far back as 1950s, studies conducted by 3M studied the toxic doses of PFAS in mice and researchers at Stanford found fluorinated chemicals could build up in our blood. By the 1960s, animal studies...

As far back as 1950, studies conducted by 3M showed that the family of toxic fluorinated chemicals now known as PFAS could build up in our blood. By the 1960s, animal studies conducted by 3M and...

In the almost 20 years since water pollution with toxic fluorinated chemicals, or PFAS, erupted as a public health issue, research has found impacts from exposure to ever-lower levels. Yet there are...

The Environmental Working Group has identified and mapped 206 military sites in the U.S. where drinking water or groundwater is contaminated with fluorinated chemicals, known as PFAS, at levels that...

The latest update of an interactive map by EWG and the Social Science Environmental Health Research Institute at Northeastern University documents publicly known PFAS pollution from 94 sites in 22...

The known extent of the contamination of U.S. communities with PFCs – highly fluorinated toxic chemicals, also known as PFASs, that have been linked to cancer, thyroid disease, weakened immunity and...

In 2005 the Environmental Protection Agency fined chemical giant DuPont a record $16.5 million over its decades-long cover-up of the health hazards of C8, also known as PFOA. One of a family of...

Laboratory tests commissioned by EWG have detected as many as 232 toxic chemicals in cord blood samples collected from 10 minority newborns. Notably these tests show, for the first time, bisphenol A...