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Water Works says current treatment removes PFAS at main plant; groundwater plant faces costly upgrades
Summary
Water Works reported that granular activated carbon at its surface-water plant is effective at removing PFAS but that a groundwater plant will likely need upgrades estimated at about $100 million to meet recent EPA standards due by 2029.
Utility water-quality staff told the council committee that recent federal PFAS rules will require monitoring and, if detected, treatment changes by 2029; Water Works said its main surface-water plant already uses granular activated carbon (GAC), which is effective against PFAS, but the groundwater plant will likely need a new treatment approach.
“...the nickname for them is the forever chemicals,” said Jeff Swertfeger, Water Quality and Treatment Superintendent,…
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