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Step 3 Apply for the ISGP

Due to the complexity of this step we recommend¬†visiting the Washington Department of Ecology’s Industrial Stormwater General Permit web page for the most up to date and current information.


If you require additional guidance on this portion of the ISGP process, contact:


Tonya Wolfe
Water Quality Web Portal specialist
[email protected]
800-633-6193/Option 3