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Stormwater Code & Rules Update

An Example of Stormwater Control Methods
Our Stormwater Code protects people, property, and the environment by controlling how rain water runs off of streets, buildings, and parking lots.
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Project Documents

State Environmental Policy Act (SEPA) Documents: 

2015 Stormwater Code Revision to the 2009 City of Seattle Stormwater Code Legislative Package:

Draft documents for the 2016 City of Seattle Stormwater Code and Manual (submitted to Washington State Department of Ecology April 23, 2014):

The following documents outline the summary of changes we made to the code and manual.

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