§ 8.70.100. Natural watercourse protection.

A.

Every person owning or occupying property through which a natural watercourse of a municipal stormwater system passes, as shown on the public works and transportation department's storm drain index map, shall:

1.

Keep and maintain that part of the watercourse within the property reasonably free of pollutants and obstacles which would enter, or retard the flow of water through the municipal stormwater system; and

2.

Maintain existing structures within or adjacent to such a watercourse so that those structures will not become a hazard to the use, function, or physical integrity of the municipal stormwater system; and

3.

Not remove healthy bank vegetation in such a manner as to increase the vulnerability of the watercourse to erosion.

B.

It is unlawful for any person to commit or cause to be committed any of the following acts, excepting pursuant to a permit:

1.

Modify the natural flow of water in a watercourse;

2.

Undertake developments within 30 feet of the center line of any watercourse or twenty feet of the top of a watercourse bank, whichever is the greater distance from the top of the bank;

3.

Construct, enlarge, change, or remove any structure in a watercourse.

4.

Place any loose or unconsolidated material along the side of a watercourse so close to its bank as to create a potential for those materials entering the watercourse.

(Ord. 6601 § 2 (part), 1994)