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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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EWG's national tap water database outlines what is in our drinking water


National Drinking Water Database - Full Report

Full Report


Environmental Working Group is very concerned about what's in our drinking water. The following report is a part of a three year process where we analyzed almost 20 million records obtained from state water officials and found 316 pollutants in the drinking water from 45 states.

It turns out that we have a right to be concerned about what's in our drinking water. Read the full report below to learn more.

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