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PFAS in Drinking Water (Municipal and Well Water) — household safety profile

High risk

Per- and polyfluoroalkyl substances (PFAS) contamination in US drinking water affecting an estimated 200+ million Americans.

What is this product?

Per- and polyfluoroalkyl substances (PFAS) contamination in US drinking water affecting an estimated 200+ million Americans. EPA finalized Maximum Contaminant Levels (MCLs) in 2024: 4 ppt for PFOA and PFOS individually. Sources: industrial discharge, military AFFF foam, biosolid application, landfill leachate. PFAS are 'forever chemicals' — they do not break down in the environment or the human body (half-life 4-8 years for PFOS).

What's in it

Click any compound name for its full safety profile, regulatory consensus, and exposure data.

Who's most at risk

  • Children — Developing endocrine and neurological systems, higher exposure per body weight
  • Infants — Developing organ systems, higher exposure per body weight, immature detoxification systems
  • Pregnant Women — Fetal exposure via placental transfer; developing fetal organ systems

Red flags — when to walk away

  • Product involved in active regulatory review or litigationSafety profile under scrutiny.

Green flags — what to look for

  • Third-party testing or regulatory certificationIndependent safety verification.

Safer alternatives

  • NSF 53/401 certified activated carbon filter — removes 90%+ PFOA/PFOS
  • Reverse osmosis system — removes 99%+ PFAS
  • Bottled water from verified PFAS-free source — temporary

Frequently asked questions

Who should be careful with PFAS in Drinking Water (Municipal and Well Water)?

Vulnerable populations identified for this product type: children, infants, pregnant women.

Are there safer alternatives to PFAS in Drinking Water (Municipal and Well Water)?

Yes — consider: NSF 53/401 certified activated carbon filter; Reverse osmosis system; Bottled water from verified PFAS-free source. See the Safer alternatives section above for details.

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Reference data, not professional advice. Aggregates publicly available regulatory and scientific information. Why we built ALETHEIA →