Research

More than 2 million Americans in hundreds of small, mostly rural communities are drinking water with levels of nitrate that increase the risk of some cancers, according to a recent comprehensive...

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...

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...

The number of large concentrated animal feeding operations, or large CAFOs, in Iowa increased nearly fivefold in the past two decades, a new study from Environmental Working Group reveals, with almost...

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 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...

Microcystins are poisonous toxins that can form in blooms of blue-green algae. In recent years, algae blooms – actually microscopic bacteria called cyanobacteria – have erupted in hundreds of lakes...

Major food companies like General Mills continue to sell popular children’s breakfast cereals and other foods contaminated with troubling levels of glyphosate, the cancer-causing ingredient in the...

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 summer, millions of lush green acres of corn and soybeans blanket the Midwest. Come fall, many harvesters scrape crop fields until they are black and barren, exposing large swaths of vulnerable...

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...

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 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...

Des Moines Water Works has struggled for years to provide safe drinking water to its customers, battling nitrate contamination from upstream farms. But contamination from agricultural practices may be...

Duke Energy is the largest investor-owned electric utility in the U.S., serving 7.7 million customers in North and South Carolina, Florida, Indiana, Ohio and Kentucky. But a deep dive into Duke's...

The Maumee River, overloaded with fertilizer and manure, is the single largest source of the phosphorus that triggers blooms of toxic algae in Lake Erie. Over half of the manure in the Maumee River...

The Maumee River, overloaded with fertilizer and manure, is the single largest source of the phosphorus that triggers blooms of toxic algae in Lake Erie. Over half of the manure in the Maumee River...

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...

Americans are increasingly seeking “clean” foods that are free from artificial colors, flavors and preservatives. But although consumers who want to avoid toxic pesticides and antibiotics know to look...