Wausau seeks DNR response on biosolids class A designation as permit is finalized

Feb 4, 2026

City staff told commissioners Feb. 3 that a final wastewater permit is pending while the DNR has not yet approved a class A biosolids designation because of a backlog apparently tied to a single reviewer; staff submitted comments and asked for a timeline and said they would escalate with legal and agency contacts.

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In a wastewater permit update, staff reported the public comment period closed Dec. 22 and that the city submitted formal comments to the Wisconsin DNR seeking permit clarifications, including requested sampling frequency and biosolids designation. Ben told the commission he submitted the city's comments to DNR staff (Angela Parkhurst) and asked the DNR to retain once-per-week e.coli monitoring rather than increasing to twice weekly.

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