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(1) All fill and excavation activities shall adhere to the requirements of Chapter 14.60 CMC, Clearing and Grading Regulations.

(2) Fill, excavation, and alteration of natural drainage features and landforms shall be limited to the minimum necessary for development.

(3) All shoreline development shall comply with the applicable requirements of the most recent edition of the adopted Surface Water Design Manual and all applicable City stormwater regulations. The City shall rely on source control standards and other BMPs contained in the most recent version of the Department of Ecology Stormwater Management Manual for Western Washington and the Low Impact Development Manual: Technical Guidance for Puget Sound.

(4) Stabilization of exposed erosion-prone surfaces within the shoreline environment shall, wherever feasible, utilize soil bioengineering techniques.

(5) Fills shall be designed, constructed, and maintained to prevent, minimize, and control all material movement, erosion, and sedimentation from the affected area.

(6) All perimeters of fills shall be provided with vegetation, retaining walls, or other satisfactory mechanisms for erosion prevention and sediment capture.

(7) Fill proposals must demonstrate, at a minimum, that they will result in no net loss of shoreline ecological functions.

(8) Fill shall be permitted only where it is demonstrated that the proposed action will not:

(a) Result in significant damage to water quality, fish, aquatic habitat, and/or wildlife habitat; or

(b) Adversely alter natural drainage and circulation patterns, currents, or stream flows, or significantly reduce flood water holding capabilities.

(9) No refuse disposal sites, solid waste disposal sites, or sanitary fills shall be permitted along the Pipe Lake shoreline in Covington.

(10) Fill waterward of the ordinary high water mark shall be permitted as a conditional use only:

(a) In conjunction with a water-dependent or public use permitted by this master program;

(b) In conjunction with a bridge for which there is a demonstrated public need and where no feasible upland sites, design solutions, or routes exist; or

(c) For fisheries, aquaculture, or wildlife enhancement projects.

(11) Excavation on beaches shall include precautions to prevent the migration of fine grain sediments, disturbed by the excavation, onto adjacent beach areas. Excavation on beaches shall be backfilled promptly using material of similar composition and similar or coarser grain size. (Ord. 09-19 § 6 (Exh. C))