Industrial Stormwater General Permit

Previous permit (Jan. 2, 2015 - Dec. 31, 2019)

• Previous permit (Expired Dec. 31, 2019)
  • Appendix 3 — SWPPP Certification Form
  • Appendix 4 — Existing discharges to impaired waters. Choose "Industrial Stormwater 303(d)" from the Report Details drop-down.
  • Appendix 5 — Dischargers subject to TMDL requirements
• Fact sheet
• Response to comments
• Small Business Economic Impact Analysis
• Frequently Asked Questions (FAQs)

Previous permit (Jan. 1, 2010 - Jan. 1, 2015)

• Previous permit (Expired Jan. 1, 2015)
• Fact sheet
• Response to comments
  • Addendum to the fact sheet: Response to comments

To apply for coverage:

• Fill out the online application (Notice of Intent)
• Conditional No Exposure — Eligible if there is “no exposure” of industrial materials and activities to rain, snow, snow melt, and/or runoff. Reapply for this status every five years. Apply through SecureAccess Washington (SAW).

To renew your coverage:

• Sign up for a SecureAccess Washington (SAW) account. SecureAccess Washington or SAW is the State of Washington’s secure portal to access and submit applications.
• Add the WQWebPortal Service to your SAW account to apply for coverage. 
• Follow these instructions to submit your renewal NOI application.
• Renewal applications for existing coverages must be submitted by July 5, 2024.

• Modification of Coverage
• Transfer of Coverage
• Update Discharge/Sample Point(s)
• Notice of Termination

• Request for Chemical Treatment
• Electronic Reporting Waiver

• Find a lab
• Stormwater guidance
• Vehicle recyclers guide
• Log Yard Implementation Manual
• Vehicle and Equipment Washwater Disharges BMP Manual
• Stormwater Sampling Manual: A guide for the Industrial Stormwater General Permit

• Discharge Monitoring Reports (DMR) and WQWebPortal help
• Water Quality permitting database (PARIS)