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Posts tagged with Stormwater Code and Manual Archives - Building Connections

Revised Seattle Stormwater Code and Seattle Stormwater Manual Effective July 1, 2026

July 1, 2026

The revised Seattle Stormwater Code and Seattle Stormwater Manual became effective July 1, 2026. That means, projects with a completed application on July 1, 2026, or later, must comply with the 2026 code. If this applies to your project, please download and use the updated submittal documents from the SDCI Stormwater Code website. … [ Keep reading ]

Filed Under: Building Connections, Document UpdatesTagged With:

Stormwater Code and Manual Update – Notice of Rulemaking and Public Comment

March 2, 2026

The City of Seattle is in the process of updating Seattle’s Stormwater Code and Stormwater Manual as required by the Washington State Department of Ecology. The joint SDCI/SPU Draft Directors’ Rule (the Stormwater Manual) will be released for final public comment the week of March 16, 2026, and will be… [ Keep reading ]

Filed Under: Building Connections, CodesTagged With:

Stormwater Code and Manual Update – 2nd Public Review and Public Meeting Information

January 5, 2026

The City of Seattle is in the process of updating Seattle’s Stormwater Code and Stormwater Manual as required by the Washington State Department of Ecology. The second draft of the 2026 Stormwater Code and Manual documents will be available for public review and comment beginning January 7, 2026. The documents… [ Keep reading ]

Filed Under: Building Connections, CodesTagged With: ,