Research

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...

Nitrate contamination of drinking water is getting worse in much of rural Minnesota, an Environmental Working Group analysis of state data found.

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...

Drinking water for an estimated half a million Minnesotans is drawn from groundwater contaminated with elevated levels of nitrate, a toxic pollutant that is linked to cancer and is especially...

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 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...

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...

Nitrate pollution of U.S. drinking water may be responsible for up to 12,594 cases of cancer a year, at a cost of up to $1.5 billion for health care, according to a new peer-reviewed study by the...

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 known extent of contamination of American communities with the highly toxic fluorinated compounds known as PFAS continues to grow at an alarming rate. As of March 2019, 610 locations in 43 states...

The array of toxic pollutants in California drinking water could in combination cause more than 15,000 excess cases of cancer, according to a peer-reviewed study by scientists at Environmental Working...

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...

Although North Carolinians' attention has rightly been focused on the state's dense concentration of factory swine farms – concentrated animal feeding operations, or CAFOs, which produce 10 billion...

North Carolina's dense concentration of approximately 6,500 confined animal feeding operations, often called CAFOs, annually generate two million tons of dry chicken waste and 10 billion gallons of...

Seasonal spikes of atrazine, a weed killer that disrupts hormones and harms the developing fetus, contaminate the drinking water of millions of Americans at potentially hazardous levels as run-off...

More than 1,500 drinking water systems across the country may be contaminated with the nonstick chemicals PFOA and PFOS, and similar fluorine-based chemicals, a new EWG analysis shows.

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...

In December 2015, the 1,500 residents of Erie, Ill., received a warning that the community's tap water should not be given to babies under 6 months old, or used to mix formula or juice for those...

Four of every 10 Americans will be diagnosed with cancer in their lifetimes, and two of every 10 will die of it. But there are some things you can do to reduce the risk. First, talk to your doctor...

The Raccoon River in central Iowa runs through one of the most intensely farmed regions of the nation. Agriculture is vital to the area's economy, but polluted runoff from farms poses an acute threat...

President Trump has nominated Michael Dourson to oversee chemical safety for the EPA, even though Dourson has repeatedly sought to weaken chemical safety standards on behalf of polluters for a price.

An industrial solvent classified as a likely carcinogen, which is also a common impurity in cosmetics and household cleaners, was detected in samples of drinking water supplies for nearly 90 million...

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...