It is hereby found and declared that the unmanaged use, alteration of topography, excessive filling, channel encroachment or other act affect the natural discharge of water through floodplains and constitute a threat to the health, safety and welfare of the inhabitants of the Village of Canastota and to the economic vitality of the community. The purpose of the Floodway Zone is to protect the health, safety and welfare of the inhabitants of the Village from hazards due to periodic flooding. This protection shall include the protection of persons and property, the preservation of water quality and the minimizing of expenditures for relief, insurance and flood-control projects.