#WausauPFAS

Wausau updates PFAS treatment: GAC system operating, reuse of reactivated carbon allowed, permit comment period open Donahue Engineering said the granular activated carbon PFAS treatment system has operated for more than a year, contractors will replace failing air‑release valves and coat a treatment‑room floor, and DNR allowed reactivated carbon (vendors in Oklahoma and Pennsylvania) that could save about 20% versus new carbon; the draft WPDES permit is open for public comment through Dec. 22, 2025.

Wausau's PFAS treatment system is thriving after a year of operation, with exciting updates on carbon management that could save the city 20% in costs!

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