13.25.020 Surface and stormwater management regulations and guidelines adopted – Modifications.
(1) The following State and local regulations and guidelines pertaining to surface and stormwater design and management, and any subsequent amendments thereto, are adopted by reference, and shall be collectively referred to throughout this title as the “stormwater manuals”:
(a) Washington State Department of Ecology Stormwater Management Manual for Western Washington (“Ecology Stormwater Manual”);
(b) Puget Sound Partnership Low Impact Development Technical Guidance Manual for Puget Sound;
(c) Washington State Department of Transportation Hydraulics Manual;
(d) City of Covington Design and Construction Standards, adopted by Chapter 12.60 CMC; and
(e) The definitions, minimum requirements, adjustment, and variance criteria found in Appendix 1 of the Western Washington Phase II Municipal Stormwater Permit, except that the erosivity waiver is not adopted.
(2) Where there are differences between the Ecology Stormwater Manual and Appendix 1 of the Western Washington Phase II Municipal Stormwater Permit, the most stringent criteria shall apply.
(3) The adopted regulations and guidelines may be modified for projects located within specific areas for which a basin plan has been prepared, and which has been approved by the City and the Washington State Department of Ecology.
(4) Any additional documents and/or manuals formally adopted by rule, which implement the policies promulgated in this chapter, are governed by the City of Covington Municipal Code.
(5) Any inconsistencies will be controlled by the City of Covington Municipal Code. (Ord. 26-16 § 3; Ord. 13-09 § 10 (Exh. 2))