Study Finds Roughly 19 Million Exposed To Toxic Compounds In Drinking Water

Amy Russo

Roughly 19 million people across the country are being exposed to toxic compounds in drinking water, a new study has revealed.

As of March, highly toxic fluorinated compounds called PFAS were found in 610 locations, including drinking water sites and military sites, in 43 states, according to the study released Monday by Washington, D.C.-based nonprofit Environmental Working Group and Northeastern University’s Social Science Environmental Health Research Institute.

PFAS, otherwise known as perfluoroalkyl and polyfluoroalkyl substances, are manufactured chemicals used since the 1940s to create items ranging from cleaning products and water repellants to food packaging and paint. 

According to the Centers for Disease Control, the substances can increase cancer risk and affect the immune system, fertility, hormone levels and children’s physical and mental development.

Heightened cholesterol levels are one of the most prevalent findings in people exposed to PFAS, the Environmental Protection Agency says.

Aside from the prevalence of PFAS in everyday products, a major challenge of eradicating the substances is that they are not biodegradable, earning them the nickname “forever chemicals.”

A map of contaminated sites across the U.S. provided by the study and created using data from the EPA, the Defense Department and Northeastern University, shows that drinking water systems throughout Michigan were hit hardest. Most of those cases were not close to Flint, the city that is still recovering from a water crisis that began in 2014.

There were additional clusters of cases on the Northeast coast, in the Southeast and along the West Coast. 

A map of sites contaminated by PFAS created using data from the EPA, the Defense Department and Northeastern University. (Environmental Working Group/Northeastern University)

In February, the EPA unveiled its action plan to address PFAS chemicals ― a multi-pronged effort focusing in part on research, cleanup recommendations and making more data publicly accessible.

However, critics say there is already enough data to justify regulatory action from the EPA.

In a statement, EWG President...

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