A. Except as specifically exempted by MICC 19.07.120, Exemptions, these regulations apply to land uses, development activity, and all structures and facilities within the city of Mercer Island that contain any of the following critical areas and/or their buffers, as defined in Chapter 19.16 MICC:
3. Watercourses; and
B. The city shall not approve any development proposal or otherwise issue any authorization to alter the condition of any land, water or vegetation or to construct or alter any structure or improvement without first assuring compliance with the requirements of this chapter or determining that this chapter is not applicable to the development.
C. Approval of a development proposal pursuant to the provisions of this chapter does not discharge the applicant of the obligation to comply with the provisions of this chapter. (Ord. 19C-05 § 1 (Exh. A)).