The Issue
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.
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The Latest on Tap Water
U.S. Senator Barbara Boxer (D-CA) today introduced legislation to protect drinking water from contamination by the toxic chemical perchlorate.
Read MoreEnvironmental Working Group (EWG) applauded Sen. Barbara Boxer’s introduction today of a bill to set a national safety standard for rocket fuel waste in drinking water, and released exclusive up-to-date data on all known or suspected occurrences of the contaminant in hundreds of locations in 43 states.
Read MoreSecret tests conducted in 1984 by the DuPont chemical company found a Teflon-related contaminant (C8) in the tap water of the Little Hocking Water Association in Ohio, just across the river from the company’s Teflon plant in Parkersburg, West Virginia. But the company never told the community, its water utility or state regulators about the tap water testing program, which continued through at least 1989, or about the positive findings.
Read More"Contamination of drinking water supplies by the toxic industrial chemical perfluorooctanoic acid (PFOA, or C8) is a continuing concern to the residents of Parkersburg and surrounding areas of Wood County near the source of the pollution, DuPont’s manufacturing operation in Washington, West Virginia."
Read MoreThe first ever nationwide assessment of chlorination byproducts in drinking water, released by the Environmental Working Group and U.S. Public Interest Research Group, shows that more than one hundred thousand women are at elevated risk of miscarriage or of having children with birth defects because of chlorination byproducts (CBPs) in municipal tap water.
Read MoreFirst-ever nationwide assessment of chlorination byproducts in tapwater finds 137,000 U.S. pregnancies at higher risk of miscarriage, birth defects
Read MoreView and Download the report here: Consider The Source
Read MoreSources of drinking water for more than 7 million Californians and unknown millions of other Americans are contaminated with a chemical that disrupts child development and may cause thyroid cancer, but is unregulated by the state or federal government, according to an investigation by Environmental Working Group (EWG).
Read MoreOn behalf of military contractor Lockheed Martin, Loma Linda University is conducting the first large-scale tests of a toxic drinking water contaminant on human subjects -- a precedent medical researchers and Environmental Working Group condemned as morally unethical and scientifically invalid.
Read MoreView and Download the report here: Polluter Privilege
Read MoreView and Download the report here: Into the Mouths of Babes
Read MoreAtrazine, the most heavily used herbicide in the United States, is a cancer-causing weed killer applied to 50 million acres of corn each year. After it is applied each spring, it runs off cornfields and through drinking water plants into the tap water of millions of Midwestern homes.
Read MoreView and Download the report here: Full Disclosure
Read MorePollutants in rivers and other source waters throughout Ohio are contaminating drinking water statewide, a citizen monitoring project has found. Tap water in a dozen Ohio communities is contaminated - at levels well above federal safety standards or guidelines - with pesticides, chlorinated compounds and other chemicals known to cause cancer, birth defects and other illnesses, according to tap water tests commissioned by the Environmental Working Group (EWG) and Ohio Citizen Action.
Read MoreView and Download the report here: Full Disclosure
Read MorePollutants in rivers and other source waters throughout Ohio are contaminating drinking water statewide, a citizen monitoring project has found.
Read MoreMounting concern over long term health risks and the skyrocketing cost of water treatment associated with pesticide contaminated tapwater in hundreds of midwestern towns has forged an unprecedented alliance between water utilities, engineers, and chemists, and environmental protection groups.
Read MoreAn Environmental Working Group review of nearly 200,000 water sampling records found that over two million people -- including approximately 15,000 infants under the age of four months -- drank water from 2,016 water systems that were reported to EPA for violating the nitrate standard at least once between 1986 and 1995.
Read MoreNitrate in drinking water at levels greater than the Federal standard of 10 parts per million (ppm) can cause methemoglobinemia, a potentially fatal condition in infants commonly known as blue-baby syndrome. According to Dr.
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