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Have a question about your Construction Stormwater General Permit? We can help!

Navigating Washington State’s Construction Stormwater General Permit (CSGP) can be complex, but we’re here to help. Our no-cost technical assistance program supports construction site operators through every step of the permitting process—from applying for a permit to staying compliant throughout the project.


We provide expert guidance on critical aspects of the permit, including:


Our goal is to help you prevent stormwater pollution, protect water quality, and avoid costly violations while keeping your project on track. Whether you’re new to the CSGP or need support with ongoing compliance, the Washington Stormwater Center is ready to provide  assistance to meet your project’s needs.

Have a question for Ecology but worried about raising red flags? We can ask questions anonymously on your behalf to get the answers you need without drawing unwanted attention to your project.

Ready to get started? Contact us today and we would be happy to help support your construction project.

Contact Brandon Boyd- [email protected] for more information.


Permit Assistance Guidance Card:

Construction rack card linking to permit assistance pages on the stormwater center website

Click on the image to download and print our construction permit assistance guidance card so you can easily navigate to our permit assistance pages in the field!