A. Impair or impede the flow of water running in a watercourse;

B. Deposit any material of any kind in a watercourse so as to obstruct it, or to impair or impede the flow of water therein;

C. Alter the surface of land, by construction, excavation, embankment or otherwise, so as to reduce the capacity of a watercourse;

D. Construct, alter, repair or remove any flood control or storm water drainage structure, facility or channel of or in a watercourse;

E. Construct or place any structure in, upon or across a watercourse;

F. Plant any vegetation, other than grasses or annual crops, within a watercourse or on the banks thereof;

G. Commit any act on or in any easement dedicated, granted or reserved for flood control or drainage purposes that will impair the use of such easement for such purposes. (Ord. 2466 § 9, 1991; Ord. 1032 § 1, 1967; prior code § 26.102).