PPW Updates
Important Site Development Permit Date Occurring in 2020
Related to Title 17A—Site Development and Stormwater Drainage

All permits issued pursuant to the regulations contained in the 2012 or earlier version of the Stormwater Management and Site Development Manual shall expire on December 5, 2020 (PCC 17A.10.080.D.3).
Exception: Your site development permit will not expire if your project is at or beyond “beginning construction” by December 5, 2020.

“Beginning Construction” means, at a minimum, that the site work associated with and directly related to the approved project has begun. For example: Grading the project site to final grade, or the installation of utilities. Simply clearing the project site does not constitute the beginning of construction. 

To learn how this might affect your project, please review the Municipal Stormwater Permit FAQs related to “Controlling Runoff” on the Washington State Department of Ecology website. 

The expiration date is a requirement of the Phase 1 National Pollutant Discharge Elimination System (NPDES) Permit issued to the County by the Department of Ecology. Each Phase 1 NPDES permittee was required to establish a date that was five years after their stormwater manual effective date.

The purpose behind setting a date five years out was to give any projects that might already be in the design or permit process under an earlier version of the stormwater manual a chance to either be completed or convert to the current stormwater manual.

If you still have questions after reviewing the FAQs, please contact us.

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