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Stormwater, elevation and building materials discussed as part of development rules update
Summary
Committee members reviewed stormwater retention expectations for developments and single-family lots, raised questions about drainage and base flood elevation, and suggested recommending moisture-tolerant building materials to increase resilience.
The committee examined stormwater and flood-resilience provisions in the draft regulations. Members noted the new building codes and practices that require retention and design to resist flood damage; one participant said new homes are typically built higher and referenced retaining "110% of the stormwater on the property" for new developments. The group debated practical implications for small lots and whether single-family parcels can reasonably be required to retain runoff on-site.
Members also discussed whether the town should recommend building materials that resist moisture damage after storms; Ken Warden cited inorganic wallboard as an example that "doesn't support mold or anything" and suggested code-enforcement or building-code guidance could promote its use. The committee agreed to flag stormwater and building-material suggestions for counsel and building-code coordination rather than attempting to change statewide building code in this local ordinance.
