Water Quality Permits

1200-C Construction Stormwater General Permit

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

Presentation: Implementing the Renewed 1200-C NPDES Construction Stormwater General Discharge Permit

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.


Technical assistance


For more information,visit our contacts page for the local DEQ office or agent.


1200-C Series permits for 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.

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