13.25.040 Drainage review – When required – Type.
(1) Drainage review is required when any proposed project is subject to a City of Covington building or fill and grade permit, development permit or approval and:
(a) Would result in 2,000 square feet or more of new, replaced, or new plus replaced impervious surface; or
(b) Would involve 7,000 square feet or more of land-disturbing activity; or
(c) Would construct or modify a drainage pipe or ditch that is 12 inches or more in size or depth or receives surface and stormwater runoff from a drainage pipe or ditch that is 12 inches or more in size or depth; or
(d) Contains or is adjacent to a floodplain, stream, lake, wetland or closed depression, or a critical area as defined in Chapter 18.65 CMC excluding a volcanic hazard area; or
(e) Is located within a critical drainage area; or
(f) Is a redevelopment project proposing $100,000 or more of improvements to a previously developed site.
(2) The drainage review for any proposed project will be scaled to the scope of the project’s size, type of development and potential for impacts to the regional surface water system to facilitate preparation and review of project applications. If drainage review for a proposed project is required under subsection (1) of this section, the Department of Community Development will determine which drainage reviews apply as specified in the stormwater manuals and Design and Construction Standards adopted in CMC Title 12.
(3) The drainage review for any proposed project within the downtown zone, subject to zoning regulations in Chapter 18.31 CMC, shall implement additional stormwater management requirements outlined in Chapter 18.31 CMC and the Downtown Design Guidelines and Standards in addition to the regulations in this chapter. If a conflict exists, the more restrictive provision controls.
(4) Fees for drainage plan review shall be subject to the fees as set forth in the current fee resolution. (Ord. 26-16 § 5; Ord. 13-09 § 10 (Exh. 2); Amended at request of department 2/08; Ord. 20-07 § 44; Ord. 14-05 § 1; Ord. 37-02 § 2 (9.04.030))