HONOLULU (KHON2) — The Board of Water Supply has detected low levels of chemicals called PFA’s at a treatment facility in Waipahu, this serves to some parts of Waipahu, Waikele and Waipio.

BWS detected these chemicals as part of its well water monitoring program.

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Officials said that the levels found are significantly below action level and are not expected to serve as a risk to the public.

According to BWS, PFA’s are used in carpets, furniture, clothing, fabrics and even firefighting foam.

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The Department of Health has been notified, said BWS.