A named discharger sits on an already-impaired stretch of the Winooski

August 6, 2026

The Marshfield wastewater treatment facility, which discharges into the Winooski River, is currently listed by EPA as in significant non-compliance with its Clean Water Act permit. That status lines up directly with the river's own record: this stretch, designated segment VT08-07.02, is one of only two segments in the wider watershed assessment that EPA has formally listed as impaired and requiring a cleanup plan. A facility out of compliance sitting on a river already flagged as failing water quality standards is about as clean a regulatory match as this record gets.

What's notable is what hasn't happened next. Across the broader sweep of permitted dischargers in the area, three facilities are currently in significant non-compliance and four have active violations, yet zero dollars in penalties have been assessed. Enforcement, in other words, has flagged the problem but hasn't yet put any weight behind it.

Specific effluent readings weren't available this session, so this isn't a claim about what's actually in the water right now, just what the regulatory record shows: a named discharger, an impaired river, and so far no penalty attached to either.

Data from EPA ATTAINS (303(d) impaired waters) and EPA ECHO

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