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Seattle

Seattle Stormwater, Grading & Drainage Control Code

For an introduction to Seattle's Stormwater, Grading, and Drainage Control Code, please refer to Client Assistance Memo (CAM) #501 (97KB PDF). The ordinance and Director's Rules listed below provide more specific technical details on issues referred to in this CAM.

Ordinance
Stormwater, Grading and Drainage Control Code - 273KB PDF (Seattle Municipal Code 22.800-22.808)

Director's Rules
The following four Director's Rules implement recent amendments to the Stormwater, Grading and Drainage Control Code:

13-2010 Groundwater/Dewatering View Summary View Rule
15-2009 Vol. 1 Source Control Technical Requirements Manual View Summary View Rule
16-2009 Vo. II Construction Stormwater Control Technical Requirements Manual View Summary View Rule
17-2009 Vol. III Stormwater Flow Control and Water Quality View Summary View Rule
18-2009 Vol. IV Stormwater Code Enforcement Manual View Summary View Rule

Paper copies of the Stormwater Code and related rules are available at the DCLU Public Resource Center, located on the 20th floor of Key Tower, 700 Fifth Avenue, (206) 684-8850. Due to the considerable length of the rules, a fee is charged to cover production costs.

Related News Articles

New Stormwater Rules Effective January 1, 2001 (article from December 1, 2000)
New Stormwater, Grading and Drainage Control Code Director's Rules Available for Public Review (article from October 13, 2000)
Adopted Changes to Stormwater, Grading, and Drainage Control Code (article from June 16, 2000)

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