The By-laws do not permit any alteration of natural vegetation or substrate within 25 feet of a Resource Area or the location of any building within 50 feet of a Resource Area except that the construction of recreational facilities (bikeways, trails, docks, etc.), roads, streets, rail sidings, aboveground or underground public utilities and infrastructure, detention basins or drainage structures, measures undertaken for the remediation of contaminated soils or groundwater, or removal of solid waste is allowed within these setbacks. Any exceptions shall implement all controls necessary to minimize adverse impacts to Resource Areas.
974 CMR, § 4.06