How water quality classes work — what it would take to reclassify tributaries

Sep 9, 2026

Commissioners asked how to raise protections for unnamed tributaries; watershed planner Maria Cajunno explained Vermont's A1/A2/B1/B2 system, said the Saxons River is classed B2 and that a public petition to the agency secretary starts reclassification review.

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During the Q&A after the atlas demonstration a planning commissioner asked how water‑quality classes are assigned and whether tributaries such as Stiles or Hollow Brook could be reclassified to higher protection. Maria Cajunno, watershed planner for the Vermont Department of Environmental Conservation, explained the state uses four surface‑water classes (A1, A2, B1, B2) and said most Vermont waters are B2. "And Saxons River is all b 2," she said.

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