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Persistent synthetic chemicals linked to cancer and immune damage. Below are US cities ranked by their measured PFAS levels compared to EPA limits. Higher percentages indicate greater concern.
Vulnerable Populations: Pregnant women, infants, and immunocompromised individuals at highest risk. PFAS crosses the placenta and is in breast milk.
Ranked by percentage of EPA limit. Click any city for full water quality report.
| Rank | City | State | Level | EPA Limit | % of Limit | Status | Population |
|---|
Most effective home treatment. Must be NSF/ANSI Standard 58 certified for PFAS.
Must be specifically certified for PFAS under NSF/ANSI Standard 53.
Specialized resins can remove PFAS. Less common for home use.
PFAS have extremely strong carbon-fluorine bonds that don't break down in the environment or human body. They persist and accumulate over decades.
No. Boiling does not remove PFAS. Distillation is also ineffective as PFAS can vaporize with water.
No. Only carbon filters specifically certified for PFAS removal work. Standard carbon filters are ineffective.