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Stormwater Management Program
Stormwater Management Plan (SWMP)
The City of Seattle SWMP will address the following permit requirements:
- • Protect water quality
- • Reduce the discharge of pollutants to the “maximum extent practicable”
- • Satisfy appropriate requirements of the Clean Water Act
- • Meet state requirements to use all known, available, and reasonable methods to prevent and control pollution to waters of the state
The Stormwater, Grading and Drainage Control Code (SMC 22.800-22.808) and associated Directors’ Rules are being revised to account for advances in urban stormwater runoff management practices. Changes and updates to the code are being made to make it equivalent to the 2005 Washington Department of Ecology’s Stormwater Management Manual for Western Washington. This is a requirement for compliance with the Municipal Stormwater NPDES Permit, which was issued January 17, 2007. Visit the Department of Planning and Development's website to learn more about the code revisions.
The documents below contain updated information on the City of Seattle's 2008 stormwater management activities for compliance with the 2007 NPDES Phase I Municipal Stormwater Permit.
View 2008 Stormwater Management Plan (PDF)
City of Seattle 2008 NPDES Phase I Annual Report Form (PDF)
2008 Attachment B, Program Evaluation and Other Activities Narrative (PDF)
If you would like to comment or have questions about the SWMP please send an email to: SWMP@seattle.gov
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