PFAS Information

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What are PFAS and PFCs?

Perfluoroalkyl and polyfluoroalkyl substances (PFAS) and perfluorinated compounds (PFCs) are manmade chemicals not occurring naturally in the environment that are used for a variety of applications because they resist heat, water, and oil/grease (stains). Because of their chemical makeup, they are toxic at relatively low concentrations. PFAS, sometimes referred to as “forever chemicals,” persist in the environment and accumulate within the human body over time. They are found in every American household in products as diverse as nonstick cookware, furniture, clothes, dental floss, cosmetics, lubricants, paint, carpets, pizza boxes, microwave popcorn bags, and fast food wrappers. They have been used by industries since the 1940s in firefighting foam, as a mist suppressant for metal-plating baths, and a means to provide grease and water resistance to materials (e.g., textiles, carpets, and paper). Other PFAS goods and materials are still produced and used in the United States. In short, PFAS are in the air we breathe, the products we use, the food we eat, and the water we drink. They are everywhere.

Click a question to expand the answer to learn more about PFAS:

Expand/Contract Questions and Answers

  • What are PFOA and PFOS?

  • Why should I care?

  • Who is more at risk from exposure? Who is most vulnerable?

  • How are people exposed to PFAS?

  • Where are PFOA, PFOS, and PFAS found in the environment?

  • How do PFAS get into drinking water?

  • Are PFAS still being produced in the U.S.?

  • What is being done to remove PFAS from the environment?

  • How are PFAS regulated?

  • How are PFAS removed from the water?

  • Are there PFAS in my water?

  • What is Zone 7 Water Agency, DSRSD's wholesale source of water, doing regarding PFAS in the water?

  • Why are we only hearing about this now? What brought all this about?

  • What can I do to minimize my exposure to PFAS?