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The North Conway wastewater treatment plant is considering a $9 million investment in foam fractionation technology to reduce PFAS levels in leachate. If approved by voters, this would be the first long-term municipal use of the technology in New Hampshire.

Preliminary trials indicate that seven target PFAS chemicals can be sufficiently removed to meet concentration goals. Foam fractionation involves air bubbling through contaminated water to draw out PFAS molecules.

The project aims to address health risks and rising sludge disposal costs. The North Conway Water Precinct is collaborating with three vendor companies to implement the pilot program.