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City staff recommend $10M PFAS treatment system for Riverview landfill; bids to be developed
Summary
City staff and consultants presented options to treat landfill leachate and RNG condensate for PFAS and other contaminants, recommending a granulated activated carbon + ion-exchange system estimated at $10–12 million and asking council to authorize bid documents.
City staff and consultants told the council that the landfill must begin treating leachate and condensate for per- and polyfluoroalkyl substances (PFAS) and other contaminants, and recommended moving forward with bid documents for a granulated activated carbon system followed by ion-exchange and filtration.
The presentation, led by Jeff (city staff) and Jennifer Blair of Tetra Tech, laid out why staff moved away from a larger reverse-osmosis (RO) design — which earlier estimates pushed toward roughly $20 million — and recommended a system Tetra Tech estimates will cost between $10 million and $12 million, including a new building and an equalization tank. Jennifer…
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