Conservation commission debates clearer definition for coastal stabilization devices, adds debris removal to minor activities list

The Nantucket Conservation Commission met May 1 to discuss proposed updates to the Nantucket Wetland Protection Regulations, focusing on how the rules define coastal engineering structures, whether debris removal should be added to the commission’s minor-activity permit list, and how to handle pilot or test projects.

The discussion matters because the commission and staff want clearer rules for temporary stabilization measures—such as dune grids and coir products—so applicants and staff understand when a device is regulated as a structure and when it is treated as a temporary measure. The commission also considered adding a narrow debris-removal allowance to its minor-activity list to speed routine cleanups.

Staff member Will opened the discussion by proposing a tighter definition of “structure” that would exclude temporary, removable stabilization materials: "I can't see something temporary like that as structure," he said, describing dune guard grids and similar…