It is unlawful for any person to tow, pull, or use any drag line or heavy motorized equipment to excavate, fill or drag the bottom bed or bank of any public waters or waterways, disturbing the flora or fauna growing therein without first having secured a special use permit from the Planning Commission. (Ord. 525, eff. 4/6/78; Ord. 201, eff. 2/2/55; Prior code § 9.04.050)