It is the purpose of the provisions in this Chapter to promote the public health, safety and general welfare and to minimize public and private loss due to flooding by provisions designed to:
a. Restrict or prohibit uses which are dangerous to health, safety and property due to water erosion hazards or which result in damaging increases in erosion or in flood height or velocity;
b. Require that uses vulnerable to floods, including facilities which serve such uses, be protected against flood damage at the time of initial construction;
c. Control the alteration of natural floodplains, stream channels and natural protective barriers which accommodate or channel flood waters;
d. Control filling, grading, dredging and other development which may increase erosion or flood damage; and,
e. Prevent or regulate the construction of flood barriers which will unnaturally divert floodwaters or which may increase flood hazards to other areas.