2026 PFAS Limits Explained — 5 States Facing Immediate Enforcement
PFOA, PFOS, PFNA, PFHxS, and HFPO-DA — all targeted by the EPA's landmark 2024 rule, now in full enforcement phase.
Maximum Contaminant Level for PFOA and PFOS — the two most dangerous forever chemicals in US water supplies.
Long-term exposure to PFAS chemicals is associated with kidney cancer, testicular cancer, thyroid disease, immune suppression, and liver damage — confirmed by the National Toxicology Program.
Across 44 states, more than 6,000 public water systems have already reported PFAS above the new federal limits.
Utilities must install certified treatment systems within 3 years. Reverse osmosis removes up to 99% of PFAS. Standard fridge filters do not.
NC: Cape Fear River basin contaminated by Chemours Fayetteville Works facility. MI: Multiple cities including Parchment still dealing with legacy PFAS contamination in groundwater.
NJ: Dozens of systems exceed limits near military bases and industrial sites. PA: PFAS plumes from firefighting foam at airports and fire stations contaminate suburban wells.
Agricultural regions face dual contamination from industrial runoff and legacy pesticide PFAS. Over 400 small water systems in the San Joaquin Valley are under enforcement review.
Standard pitcher and fridge filters (including Brita, PUR) remove only chlorine and sediment — NOT PFAS. Only NSF/ANSI 58 certified reverse-osmosis systems are confirmed effective.
Find out if your zip code is in a high-risk PFAS zone and what action you can take today. Explore Resources