35.20.340 Additional regulations – Breakwaters, jetties, and seawalls.
(1) Breakwaters, jetties, and seawalls shall meet all of the following criteria in addition to the other applicable regulations of this article and this Program:
(a) They are shown to be necessary for purposes of navigation or habitat enhancement.
(b) They are required to protect from strong wave action against existing public water-dependent uses such as a harbor, marina, or port that are located seaward of the ordinary high water mark.
(c) Adverse impacts on water circulation, sediment transport, fish and wildlife migration, shellfish, and aquatic vegetation can be effectively mitigated.
(2) Open-pile, floating, portable, or submerged breakwaters, or several smaller discontinuous structures that are anchored in place, shall be preferred over fixed breakwaters.