30.67.520 Breakwaters, jetties, groins and other in-water structures.
(1) The following general regulations apply to new breakwaters, jetties, groins and other in-water structures not specifically identified:
(a) In-water structures shall be designed and located to:
(i) Avoid or minimize and mitigate impacts to shoreline ecological functions, especially littoral drift;
(ii) Have no adverse impacts on downdrift, downstream and adjacent properties, such as beach starvation, channel migration or erosion;
(iii) Allow for fish passage and for the transport of sediment, debris and floodwaters;
(iv) Be visually compatible with their surroundings;
(v) Avoid or minimize restrictions on the public use of the water surface, especially navigational access; and
(vi) Not be located on or over critical saltwater habitats.
(b) Floating wave attenuators, floating breakwaters, open wall designs or other alternatives to a solid breakwater shall be required for all in-water structures.
(2) In addition to the general regulations contained in SCC 30.67.520(1), the following shoreline environment designation-specific regulations for new breakwaters, jetties, groins or other in-water structures apply:
(a) For projects with the sole purpose of restoration or enhancement of shoreline ecological functions, breakwaters, jetties, groins and other in-water structures are conditionally permitted in the Natural and its adjacent Aquatic environments and permitted in all other shoreline environments; and
(b) For projects not meeting the criteria in SCC 30.67.520(2)(a), the following applies:
(i) Breakwaters, jetties, groins and other in-water structures are conditionally permitted in the Urban, Rural Conservancy, Resource and their adjacent Aquatic environments; and
(ii) Breakwaters, jetties, groins and other in-water structures are prohibited in the Urban Conservancy, Municipal Watershed Utility, Natural and their adjacent Aquatic environments. (Added by Amended Ord. 12-025, June 6, 2012, Eff date July 27, 2012).