Massachusetts — PFOA, PFOS, PFHxS, PFNA, PFHpA, and PFDA combined

For Massachusetts, state–chemical pair is Massachusetts — PFOA, PFOS, PFHxS, PFNA, PFHpA, and PFDA combined; pfas compound is PFOA, PFOS, PFHxS, PFNA, PFHpA, and PFDA combined; concentration limit (ppt) is 20; regulation type is MCL; stricter than federal mcl is n/a, recorded from its source on 2026-08-14.

Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.

What the source says

Concentration level 20 ppt (stated in the regulation as 20 ng/L) Chemical(s) and type of regulation 6 PFAS substances combined: PFOA, PFOS, PFHxS, PFNA, PFHpA, and PFDA (MCL)

— bclplaw.com, retrieved 2026-08-14

Source

• bclplaw.comhttps://www.bclplaw.com/en-US/events-insights-news/pfas-drinking-water-standards-state-by-state-regulations.html

Last verified against source: 2026-08-14. Due for re-check by 2027-02-10. This page as Markdown · OKF bundle · full dataset as JSON.