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Prioritizing an Upstream Focus for PFAS in Drinking Water

August 4, 2025 | By Krista Vanderpuye
According to a 2023 U.S. Geological Survey, at least 45% of tap water in the U.S. contains one or more types of PFAS. This contamination didn’t occur overnight—it has been building up in our environment for decades, beginning with the initial manufacturing of PFAS in the 1940s.
National PFAS Blog Graphic - Faucet with running water
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PFAS, the “forever chemicals” made simple

June 26, 2020 | By Elizabeth Saunders

In our work at Clean Water Action we throw around a lot of statistics and chemical names which, if you’re not used to hearing them, all sound pretty much like “ethyl-methyl-bad-stuff.” Sometimes that’s really all you need to know: “there’s something bad there – stay away.”

But one group of

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