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At EWG,
our team of scientists, engineers, policy experts, lawyers and computer programmers pores over government data, legal documents, scientific studies and our own laboratory tests to expose threats to your health and the environment, and to find solutions. Our research brings to light unsettling facts that you have a right to know.

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Health/Toxics: Drinking Water

Nothing's more important to health than safe, clean drinking water. Our Tap Water Database tells you what contaminants are found in your water supply.

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Featured Content

  • Drilling Around the Law

    Companies that drill for natural gas and oil are skirting federal law and injecting toxic petroleum distillates into thousands of wells, threatening drinking water supplies from Pennsylvania to Wyoming. Federal and state regulators, meanwhile, largely look the other way.

  • National Assessment of Tap Water Quality

    More than 200 contaminants with no enforceable safety limits found in the nation's drinking water. Search our database for your water quality reports.

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