The purpose of the Riparian Overlay District is to provide permanent open space for its natural beauty and recreational value. It is also intended to preserve natural resources, limit damage from flood events, prevent erosion and pollution, and safeguard the health, safety, and welfare of persons and property by limiting development in areas that are flood prone, that have poorly drained lands, or on other areas where lack of protection against natural dangers to life and property to members of the community. The width of the Riparian Overlay District is measured horizontally on a line perpendicular from the top of a streambank to a distance of 50 feet, on either side of the waterbody. (Passed 10-3-17.)