In order to accomplish its purposes, this article includes methods and provisions for:
(1) Restricting or prohibiting uses which are dangerous to health, safety and property due to water or erosion hazards, or which result in damaging increases in erosion of flood heights or velocities;
(2) Requiring that uses vulnerable to floods, including facilities which serve such uses, be protected against flood damage at the time of initial construction;
(3) Controlling the alteration of natural floodplains, stream channels and natural protective barriers which help accommodate or channel flood waters;
(4) Controlling filling, grading, dredging and other development which may increase flood damage;
(5) Preventing or regulating the construction of flood barriers which will unnaturally divert flood waters or which may increase flood hazards in other areas. (Ord. No. 1125, (part).)