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.
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.
Read MoreEWG recommends breastfeeding if possible for at least the first 12 months of life.
Read MoreOver the next decade, U.S. cities and towns will spend an estimated $300 billion to replace aging water and sewer pipes.
Read MoreWhen 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.
Read MoreNew research finds fluoride exposure during pregnancy can harm children’s intelligence.
Read MoreDrinking 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.
Read MoreWhen 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.
Read MoreEWG’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.
Read MoreWhen it comes to your drinking water, getting a passing grade from the federal government may not be good enough.
Read MoreAtrazine, 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.
Read MoreFor 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.
Read MoreIt 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.
Read MoreLead 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.
Read MoreIn 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.
Read MoreIn 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.
Read MoreIf 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.
Read MoreAn 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.
Read MoreEWG’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.
Read MoreHere’s how our database and the information it delivers stacks up against a typical CCR.
Read MoreStarting 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.