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It’s Possible to Remove the Forever Chemicals in Drinking Water. Will It Happen?
New research shows that filtration systems that remove PFAS can also get rid of other harmful substances. Whether they'll actually be introduced is a different matter entirely.
The authors of the new study—all employees of the Environmental Working Group (EWG), a nonprofit that does research on chemical safety—say that technology that gets rid of PFAS can also filter out a number of other harmful substances, including some that are created as byproducts of the water treatment process itself. These technologies “are really widespread, they’ve been in use for a really long time, and they’re well-documented to remove a large number of contaminants,” says Sydney Evans, a senior analyst at EWG and coauthor of the report. “It’s really an interesting first effort to try to diagnose ancillary benefits—and perhaps unintended benefits—from installing advanced water treatment systems intended to remove PFAS,” says P. Lee Ferguson, a professor of civil and environmental engineering at Duke University.
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