Vermont witnesses split over 3-acre stormwater rule as municipalities, homeowners and agencies debate cost and responsibility

State lawmakers and local officials on April 1 heard detailed testimony about the state’s plans to implement a 3-acre impervious-surface permitting requirement and about proposed bills that would change who is eligible for grants and who must assume long-term responsibility for stormwater systems.

The discussion centered on cost, legal responsibility and equity: whether municipalities should be required to assume legal control of privately built stormwater systems as a condition of accessing state Clean Water Fund grants; how to pay for retrofit work estimated at tens to hundreds of thousands of dollars per site; and whether grant and program rules should be adjusted so smaller towns and fragmented neighborhoods are not left bearing impossible obligations.

Why it matters: The 3-acre rule is part of Vermont’s push to meet phosphorus reduction targets in Lake Champlain and other waters. Testimony at the Natural Resources & Energy committee hearing showed widespread concern that current grant and permit language could discourage participation, impose costs and liabilities on small towns, and create inequities among neighbors in developments built under older rules.

Christine Doherty, who testified as president of the Dream Mountain Water Environment Association and identified herself as an assistant director of public works in Williston, told the committee that the bill language tying grant eligibility to municipal assumption of systems could reduce participation. “It seems to me that they're requiring the municipalities to take over the systems as the condition of these…