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, May 21, 1998
Five years after the Clinton Administration promised a bold initiative to reduce pesticide use and make children's health the top priority in federal pesticide regulation, the government has done little or nothing to reduce toxic pesticide use, pesticide residues in food, or pesticide contamination of drinking water, according to a new report by the Environmental Working Group (EWG). Read More
News Release
Wednesday, August 13, 1997

Mounting 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.

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News Release
Thursday, February 1, 1996

An 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.

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AgMag
Article
Thursday, February 1, 1996

Nitrate 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. Burton Kross, of the University of Iowa's Center For International Rural and Environmental Health, nitrate poisoning via drinking water contamination "certainly contributes to national infant death rate statistics" (Johnson and Kross 1990). Agriculture is the primary source of nitrate contamination.

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Reports & Consumer Guides
Wednesday, October 31, 1990

Read EWG researchers' top tips to learn how to stay hydrated while reducing your exposures to common drinking water pollutants. Download as PDF

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Reports & Consumer Guides

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