The following artificial obstructions and nonconforming uses are prohibited within the floodway:

A. New construction of any residential, commercial or industrial structure;

B. Encroachments including fill, new construction, alterations, substantial improvements, and other development within the adopted regulatory floodway that would result in erosion of the embankment, obstruction of the natural flow of waters, or increase in flood levels within the community during the occurrence of the one-hundred-year flood;

C. The construction or permanent storage of an object subject to floatation or movement during flooding;

D. Solid and hazardous waste disposal, sewage treatment, and sewage disposal systems;

E. Storage of toxic, flammable, hazardous, or explosive materials;

F. Alterations of structures unless it can be shown the alteration won’t raise flood heights;

G. Manufactured homes. (Ord. 576 § 6(B)(5), 1994)