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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.

Wednesday, May 16, 2018

California lawmakers are moving toward ensuring that lead-free drinking water is required in all child care centers, catching up with Oregon, Washington and four other states.

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News and Analysis
Article
Thursday, March 15, 2018

The danger of children's exposure to even the lowest level of lead is well known. Now, a new study finds that adults who are exposed to lead face major risks of death from heart attacks and other cardiovascular diseases.

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News and Analysis
Article
Tuesday, February 13, 2018

Tests by drinking water utilities serving 1.8 million Americans in 45 states detected lead above the Environmental Protection Agency’s action level, according to EWG’s analysis of the latest available federal data.

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Children's Health
Article
Tuesday, February 6, 2018

EWG submits comments to California’s Office of Environmental Health Hazard Assessment in support of two proposed No Significant Risk Levels for bromochloroacetic acid and bromodichloroacetic acid. EWG also urges OEHHA to develop public health goal

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Testimonies & Official Correspondence
Tuesday, February 6, 2018

EWG submits comments to New Jersey’s Department of Environmental Protection in support of the state’s proposal to lower the Maximum Contaminant Level for PFOS in drinking water.

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Testimonies & Official Correspondence
Wednesday, January 17, 2018

Americans have good reasons to question the quality of their drinking water. 

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Key Issues:
News and Analysis
Article
Friday, January 12, 2018

EWG News Roundup (1/12): Here’s some news you can use going into the weekend.

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News and Analysis
Article
Friday, January 12, 2018

EWG sent a letter to Live Water regarding recent brand publicity. The letter, also sent by mail, was penned following several inquiries about their product and the “raw water” movement.

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Key Issues:
Testimonies & Official Correspondence
Thursday, January 11, 2018

Drinking water for more than 170 million Americans contains radioactive elements at levels that may increase the risk of cancer, according to an EWG analysis of 2010 to 2015 test results from public water systems nationwide.  

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Reports & Consumer Guides
Thursday, January 11, 2018

Drinking water for more than 170 million Americans in all 50 states contains radioactive elements that may increase the risk of cancer, according to an EWG investigation released today.

 

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News Release
Thursday, January 11, 2018

In 2015, Des Moines Water Works sued upstream counties to reduce manure and fertilizer runoff into the city’s drinking water supply, drawing attention to nitrate pollution. But nitrate contaminates water supplies throughout Iowa, according to a new report by the Environmental Working Group.

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News Release
Monday, November 27, 2017

EWG recommends breastfeeding if possible for at least the first 12 months of life.

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Children's Health
Article
Tuesday, November 14, 2017

Over the next decade, U.S. cities and towns will spend an estimated $300 billion to replace aging water and sewer pipes. 

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News and Analysis
Article
Thursday, November 9, 2017

When most Americans drink a glass of tap water, they're also getting a dose of industrial or agricultural contaminants linked to cancer, brain and nervous system damage, developmental defects, fertility problems or hormone disruption. Learn more at www.ewg.org/tapwater.

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Video
Tuesday, September 26, 2017

A groundbreaking new study found that exposure to fluoride during pregnancy can harm IQ and cognitive development in children. Fluoride is added to the tap water of two-thirds of Americans.

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News and Analysis
Article
Wednesday, September 20, 2017

Drinking water supplies for 70 million Americans in 48 states are contaminated with arsenic at concentrations above the level scientists say increases the risk of cancer, according to nationwide test results collected in EWG's Tap Water Database.

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News and Analysis
Article
Friday, September 8, 2017

When you think of chloroform, your thoughts may drift to faint memories of 1970s television shows in which a villain knocks out their victim with chloroform-soaked cloth.

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News and Analysis
Article
Thursday, September 7, 2017

EWG’s just-released Tap Water Database shows that a startling number of cancer-causing chemicals contaminate the nation’s drinking water. Of 250 different contaminants detected in tests by local utilities, 93 are linked to an increased risk of developing cancer.

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News and Analysis
Article
Tuesday, September 5, 2017

When it comes to your drinking water, getting a passing grade from the federal government may not be good enough.

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News and Analysis
Article
Monday, August 28, 2017

Atrazine, a widely used agricultural weedkiller that disrupts hormones, contaminates tap water supplies for about 7.6 million Americans at potentially harmful levels. But the federal government is doing little to counter the threat.

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News and Analysis
Article

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