Tap Water

Most Americans enjoy high quality drinking water, but contamination by agricultural pesticides and disinfection byproducts is a problem for others. Check out your water supply with EWG’s National Drinking Water Database.

Thursday, October 22, 2020

It’s been 18 months since the Environmental Protection Agency unveiled its plan to address the crisis of the toxic fluorinated chemicals known as PFAS, which a new peer-reviewed study by EWG scientists estimates have likely contaminated the drinking water of more than 200 million Americans.

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News and Analysis
Article
Wednesday, October 14, 2020

A peer-reviewed study by scientists at the Environmental Working Group estimates that more than 200 million Americans could have the toxic fluorinated chemicals known as PFAS in their drinking water at a concentration of 1 part per trillion, or ppt, or higher. Independent scientific studies have recommended a safe level for PFAS in drinking water of 1 ppt, a standard that is endorsed by EWG.

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News Release
Friday, October 9, 2020

This week EWG released an analysis showing that in California’s majority-Latino communities, 5.25 million people drink tap water contaminated with nitrate at levels at or above the federal limit.

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News and Analysis
Article
Wednesday, October 7, 2020

In California’s majority-Latino communities, 5.25 million people drink tap water contaminated with nitrate at levels at or above the federal limit, according to an Environmental Working Group analysis of state and federal data.

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News Release
Tuesday, September 29, 2020

California Gov. Gavin Newson signed into law a measure to ban the toxic fluorinated chemicals known as PFAS from firefighting foams. PFAS-based firefighting foams – known as aqueous film-fighting foam, or AFFF –are among the most significant sources of PFAS water contamination.

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News Release
Thursday, September 17, 2020

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 environmental policy. You should also take this book personally – because the “exposure” of the title is yours.

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Reports & Consumer Guides
Wednesday, September 16, 2020

More than 700 Department of Defense sites are likely to be contaminated with the fluorinated chemicals known as PFAS, according to new data released this week by the Pentagon.

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News Release
Friday, September 11, 2020

A study of almost 50,000 births in Minnesota is reportedly the first to establish a cause-and-effect link between high levels of the fluorinated “forever chemicals” known as PFAS in drinking water and higher rates of infertility, premature birth and low birth weight babies.

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News and Analysis
Article
Thursday, September 10, 2020

EWG has found 377 news reports of agricultural pollution contaminating drinking water in 303 locations since 2010. With four months left in 2020, 38 of those cities, towns and counties have suffered from contaminated drinking water so far this year.

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AgMag
Article
Thursday, September 10, 2020

As parents send their kids back to school, reopening buildings safely is top of mind. Parents are worried about the coronavirus pandemic but likely unaware that some schools are near industrial facilities known or suspected of producing or using the fluorinated “forever chemicals” known as PFAS.

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News Release
Wednesday, August 26, 2020

Communities across the United States have spent more than $1 billion since 2010 dealing with outbreaks of potentially toxic algae in lakes, rivers, bays and drinking water supplies, according to an analysis by the Environmental Working Group.

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Reports & Consumer Guides
Friday, August 21, 2020

The California State Senate Appropriations Committee defeated a bill that would reduce the amount of lead leached from faucets and fixtures to no more than 1 microgram of lead – five times less lead than faucets are designed to leach today. A.B. 2060, authored by Assemblymember Chris Holden (D-Pasadena), was meant to ensure that schools and child care centers could purchase these fixtures beginning next year.

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News and Analysis
Article
Thursday, August 13, 2020

On Monday, EWG released an article on government officials’ inadequate guidance about reopening schools safely as the coronavirus pandemic seems to worsen.

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News and Analysis
Article
Wednesday, August 12, 2020

Whether your children’s school plans to reopen in the next few weeks or in coming months, parents, teachers and staff already have their hands full preparing for the continuity of education and safeguarding the health of students and adults in the buildings. Protecting children’s health from contaminants in drinking water quality is one item in the list that parents and schools must not overlook.

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Children's Health
Article
Thursday, August 6, 2020

Pregnant women exposed to low levels of disinfection byproducts in chlorinated drinking water were more likely to give birth to underweight babies, according to a recent peer-reviewed study based in Sweden.

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Children's Health
Article
Thursday, July 2, 2020

The House Armed Services Committee on Wednesday voted to include critical reforms to the regulation of toxic fluorinated chemicals, or PFAS, in the National Defense Authorization Act for FY 2021, which funds the Department of Defense.

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News Release
Wednesday, June 24, 2020

In much of America’s farm country, nitrate contamination of drinking water, largely caused by polluted runoff from crop fields, poses a serious health risk – and the problem is getting worse, according to an Environmental Working Group analysis of data from 10 states.

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News Release
Wednesday, June 10, 2020

Attached are EWG comments on EPA’s decision to regulate PFOA and PFOS in drinking water.

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Testimonies & Official Correspondence
Tuesday, May 26, 2020

The toxic fluorinated compounds known as PFAS belong to a family with hundreds of different members. They are linked to an array of health risks, including cancer, thyroid disruption, reproductive and developmental harms, reduced effectiveness of vaccines and high cholesterol. But in its efforts to address the widespread PFAS contamination on U.S. military bases, the Pentagon has largely focused on the most notorious of these so-called forever chemicals.

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News and Analysis
Article
Thursday, May 14, 2020

In defiance of a federal court order, the Trump administration will not adopt any limits on perchlorate, a rocket fuel chemical associated with brain damage in infants and young children.

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News Release

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