Updated Stormwater Code/Manual – Online Training
September 1, 2021
The updated City of Seattle Stormwater Code and Manual became effective July 1, 2021. Please visit our Stormwater Code website as a great deal has changed with this update.
The Updated Stormwater Code Is Now Available
June 30, 2021
The City of Seattle Stormwater Code and Manual became effective July 1, 2021. Please visit our Stormwater Code website as a great deal has changed with this update. SDCI has prepared multiple training materials to help prepare applicants that are posted on the website. We are also hosting virtual Q&A sessions each Wednesday in July and August at 2:00 p.m.
2021 Stormwater Code Effective July 1
May 4, 2021
The 2021 Stormwater Code and Manual update is on track to become effective on July 1, 2021. The new rules will replace the current Stormwater Code and Directors’ Rules, which are administered jointly by SDCI and Seattle Public Utilities (SPU). For more information, visit our Updating Stormwater Regulations Background page. Draft documents of the revised rules and summary of the Stormwater Code changes are available on the Updating Stormwater Regulations Project Documents page. You can find recordings from three of the Public Meetings that highlighted the code changes on the Updating Stormwater Regulations Get Involved page.
What’s Happening With the Stormwater Code Update?
June 9, 2020
The draft documents of the 2021 Stormwater Code and Manual, supporting documentation, and other related project code changes are available for your review on the project documents page. The official public review period for these documents was April 1 – May 16, 2020, but we are still interested in your comments. Visit the get involved page to find the template and instructions for submitting your feedback. We will hold another official comment period in the Fall/Winter of 2020.
Updating the City’s Stormwater Regulations
April 1, 2020
– Public Comment Period Now Open The Department of Ecology is requiring Seattle to update our current codes with additional stormwater control regulations as a condition of our NPDES permit. To meet these requirements, we are revising our existing Stormwater Code (SMC 22.800-22.808) and the associated Stormwater Manual (Directors’ Rule… [ Keep reading ]
Updated Seattle Stormwater Code Regulations
March 3, 2020
Our stormwater code protects people, property, and the environment by controlling how rainwater runs off of streets, buildings, and parking lots. This stormwater runoff can cause flooding, landslides, and erosion that can damage our homes, businesses, and property. Stormwater is also the main source for pollutants in our creeks, lakes,… [ Keep reading ]