USACE Jurisdictional Info from Portland Regulatory Division
- Diagram of Corps of Engineers Regulatory Jurisdiction
- Drainage Ditch Stormwater Pond & Log Pond Information
- Fish Passage Requirements
- Information on Culvert Maintenance
- Initial Isolated Waters
- Regulatory Guidence Letter 02-1
- Section 10 Navigable Bays Within the State of Oregon
- Section 10 Navigable Waterways Within the State of Oregon
- Section 404 Traditional Navigable Waters (TNWs)