Industrial Stormwater General Permit

Current permit and related documents

• Current permit (effective Jan. 2, 2015)
  • 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

Permit reissuance — 2019

Reapplications for permit coverage are due July 3, 2019. For questions about permit fees, see our Permit Fees page.

We are pleased to announce that the draft Industrial Stormwater General Permit is available for public comment. We invite comments on the draft permit documents beginning May 1, 2019, until 11:59 p.m. on June 29, 2019. We will publish a Response to Comments as an appendix to the fact sheet to address comments submitted during the public comment period.

• Draft general permit — clean copy
• Draft general permit — redline copy
• Fact sheet
• Permit Application (Notice of Intent)
• Small Business Economic Impact Analysis
• Public Notice of Draft

What's changing:

We are updating the current permit language to make the following changes:

• Adding two new industry groups that require coverage:
  • Marine construction
  • Construction, transportation, and mining equipment rental and leasing
• Changing the timing of first flush
• Revising requirements for consistent attainment

How to provide comments

We will accept comments from May 1, 2019, until 11:59 p.m. on June 29, 2019.

You may submit comments:

Workshops and hearings

We will host a workshop immediately followed by a public hearing at the following dates and locations:

• May. 29, 2019 – Vancouver, WA, 1 p.m.
• June 4, 2019 – Mount Vernon, WA, 1 p.m.
• June 6, 2019 – Moses Lake, WA, 1 p.m.
• June 18, 2019 – Seattle, WA, 1 p.m.
• June 19, 2019 – Webinar, 6 p.m.   Join the webinar here.
• June 20, 2019 – Lacey, WA, 2 p.m.

During each workshop, we will explain the proposed changes to the permit and answer questions. The hearing will begin after the public workshop and will end when public testimony is complete. During the hearing, you may give oral testimony and written comments on the proposed changes. Written comments will receive the same consideration as oral testimony.

Timeline

Previous permit documents

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

Permit applications and forms