27.14.060 Drainage permit.
(1) Drainage permit is required inside the UPAUGA before any of the following land disturbing activity occurs:
(a) The DCD Administrator or her designee may require submission of a drainage permit for any land disturbing activity within the jurisdictions of the Critical Areas Ordinance.
(b) Land disturbance of 7,000 square feet or more.
(c) Projects that result in 2,000 square feet or more of new plus replaced hard surfaces.
(2) A drainage permit is required outside the UPAUGA before any of the following land disturbing activity occurs:
(a) The DCD Administrator or her designee may require submission of a drainage permit for any land disturbing activity within the jurisdictions of the Critical Areas Ordinance.
(b) Land disturbance of 7,000 square feet or more for construction of multifamily, commercial or industrial.
(c) Land disturbance of 10,000 square feet or more for single residential, duplex, townhome, or accessory building to such dwelling, on less than one acre. This does not include hard surfaces created for residential driveways that meet BMPs.
(d) Land disturbance of 12,000 square feet or more for single residential, duplex, townhome, or accessory building to such dwelling, on one acre or more. This does not include hard surfaces created for residential driveways that meet BMPs.
(e) Single residential, duplex, townhome, or accessory building to such dwelling projects requiring a building permit that result in 400 square feet or more new plus replaced hard surfaces. This not including hard surfaces created for residential driveways that meet BMPs.
(f) All other projects (e.g., commercial, industrial, multifamily) that result in 2,000 square feet or more of new plus replaced hard surfaces.
(3) An application for a drainage permit shall be submitted to the County Engineer, or their designee on a form provided by the County. All drainage permits shall include construction BMPs and construction Stormwater Pollution Prevention Plans (SWPPP).
(4) Unless otherwise specified by the Clallam County Small Project Drainage Manual, all applicants for a drainage permit shall provide the following basic plan exhibits. The basic plan exhibits shall contain all information as set forth in the official submittal checklist provided by the County Engineer, or their designee.
(a) Site Topographical Map.
(b) General Stormwater Site Plan.
(c) Construction Stormwater Pollution Prevention Plan (SWPPP).
(d) Vicinity Topographical Map.
(5) All plans prepared in connection with this chapter shall be submitted for review and approval by the County Engineer, or their designee. Prior to the issuance of the drainage permit, the applicant must submit final stormwater site plans.
(6) A drainage permit shall be issued by the County Engineer, or their designee only after the applicant demonstrates compliance with the requirements of this chapter and the payment of the applicable permit fees for plan review, inspection, and related expenses as specified in CCC 27.14.130, Fees.
(7) The approved drainage permit under this chapter will be available on the Clallam County On-Line Permit System. Any modifications of the approved drainage permit will require prior approval by the County Engineer, or their designee.
(8) Any permit granted under this chapter shall expire one year from the date of issuance. With approval of the County Engineer, or their designee, a permit issued under this chapter may be extended for one 12-month period.
(9) The decision by the County Engineer or their designee to deny a drainage permit is appealable to the Clallam County Hearing Examiner using the procedures for denial of a Type I permit as defined under CCC Title 26.