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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.

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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EnviroBlog
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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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EnviroBlog
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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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EnviroBlog
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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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EnviroBlog
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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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EnviroBlog
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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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EnviroBlog
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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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EnviroBlog
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Friday, August 25, 2017

For many of us, Labor Day is one of the last hurrahs of the summer. And it’s a busy travel weekend, with roughly 35 million Americans taking a getaway.

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EnviroBlog
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Monday, August 21, 2017

It has been roughly three weeks since we released EWG’s new national drinking water database, and the response from consumers and media outlets has been sweeping and sustained.

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EnviroBlog
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Friday, August 18, 2017

Lead has been detected at high levels in Chicago’s tap water, but that doesn’t mean residents of the Windy City have to drink it.

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EnviroBlog
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Wednesday, August 16, 2017

In 2016, an EWG report found that chromium-6 – a cancer-causing compound made notorious by the film “Erin Brockovich” – contaminated the tap water supplies of 218 million Americans in all 50 states. But our just-released Tap Water Database shows the problem is even worse than that.

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EnviroBlog
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Tuesday, August 15, 2017

In the face of opposition by the power industry, Environmental Protection Agency chief Scott Pruitt is planning to scrap an Obama-era rule to curb discharges of lead, arsenic and mercury from power plants into sources of drinking water. 

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News Release
Friday, August 11, 2017

If you're one of the 44 million people relying on a private well for drinking water, here's what you should know and do to make sure your water is safe.

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Tuesday, August 1, 2017

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 Americans in 45 states, according to testing data from local utilities analyzed by EWG.

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Reports & Consumer Guides
Friday, July 28, 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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Cancer
Blog Post
Wednesday, July 26, 2017

Here’s how our database and the information it delivers stacks up against a typical CCR.

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EnviroBlog
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Wednesday, July 26, 2017

Starting today, the vast majority of Americans can learn about every potentially harmful chemical in their drinking water and what scientists say are the safe levels of those contaminants. EWG’s new national Tap Water Database is the most complete source available on the quality of U.S. drinking water, aggregating and analyzing data from almost 50,000 public water systems in all 50 states and the District of Columbia.

 
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News Release
Tuesday, July 18, 2017

In a unanimous vote today, the California Water Resources Control Board adopted a stringent, health-protective drinking water limit for 1,2,3-trichloropropane, or TCP, an extremely potent carcinogen that was formerly an impurity in pesticides once widely used in the state’s San Joaquin Valley.

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Testimonies & Official Correspondence
Friday, June 30, 2017

Here’s some news you can use going into the weekend.

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