Plymouth reviews state-funded stormwater asset management study; $30,000 pilot identifies 12.5 miles of pipe and 1,700 structures

The Plymouth Select Board on a recent meeting heard a final presentation on a state-funded stormwater asset management pilot that inventoried roughly 12.5 miles of storm drainage pipe and about 1,700 drainage structures, and that included camera inspections of selected lines.

The study, funded with a $30,000 grant from the New Hampshire Department of Environmental Services (DES), produced an asset inventory and condition-assessment pilot and recommends creating a living, GIS-linked database the highway department can update as inspections and repairs occur. Justin, the consultant who presented the study, told the board that "your great staff went after and captured a $30,000 grant for this work." The consultant said the pilot used closed-circuit cameras in July and October to gather condition data and that the final report will be delivered to the town this week.

Why it matters: the asset-management approach is intended to reduce the cost of emergency repairs and to allow Plymouth to prioritize investments for repaving and utility work, officials said. The presentation outlined how an inventory plus routine inspections and a capital-improvement plan can…