Water Quality Permits

1200-C Construction Stormwater General Permit

Effective Dec. 15, 2020 through Dec. 14, 2025    

Public Notice of NPDES Construction Stormwater General Permit 1200-C Permit Applications
Lists 1200-C applications for projects that disturb 5 acres or more of land and are currently in the 14-day (10 business days) public review period. Includes locations for reviewing documents and information on where to send comments.

1200-CN Permit

On Dec. 14, 2020, Oregon's 1200-CN general permit for the discharge of stormwater associated with construction activities within locally qualified programs (referred to as 1200-CN jurisdictions) expired. DEQ is working on the permit renewal. Check back here for the latest information.

1200-CN permit modification

DEQ has modified the 1200-CN Construction Stormwater General Permit to include the following as 1200-CN Jurisdictions, also referred to as Qualified Local Programs:

• City of Keizer
• Marion County
• Oak Lodge Water Services District

1200-CN Construction Stormwater General Permit

• 1200-CN Permit modification summary

1200-CA Construction Stormwater General Permit (Government Agencies)

1200-CA (Government Agencies) Permit Copy
This permit document is for reference purposes only. 1200-CA is no longer available to new applicants. Please use 1200-C instead.

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