Do Water Filter Pitchers Work on PFAS? How to Check Claims

It's boom time for water filters, ever since the EPA announced that as many as 10 percent of US water systems may have unsafe levels of PFAS, also known as “forever chemicals,” in the water. Lead pipes are still all over the place, even if they're no longer in Flint, Michigan, as of July 2025. Heck, there are maybe heavy metals in the groundwater, depending where you are, and bottled water risks excess microplastics.

I don't say this to panic you. Your drinking water is probably in compliance with federal standards, and only around 4 percent of water systems end up with unsafe contaminant levels, according to an EPA study in 2020. This said, local water systems won't have to comply with the new federal PFAS and PFOA maximums for drinking water until 2031.

In response to worries about the water supply, a whole new generation ...