Regulatory Notices

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US Army Corps of Engineers

Northwestern Division Website

State Regulatory Programs

Category: RegC-OR

8 Apr 2026
Portland District Inadvertent Discovery Plan for Cultural Resources and Historic Properties
Portland District Inadvertent Discovery Plan for Cultural Resources and Historic Properties
8 Apr 2026
2026 Nationwide Permits Coastal Zone Concurrence, Oregon Department of Land Conservation & Development

Expiration date: 3/15/2031
2026 Nationwide Permits Coastal Zone Concurrence, Oregon Department of Land Conservation & Development
8 Apr 2026
2026 Nationwide Permits Water Quality Certification Overview, Oregon Department of Environmental Quality

Expiration date: 3/15/2031
2026 Nationwide Permits Water Quality Certification Overview, Oregon Department of Environmental Quality
8 Apr 2026
2026 Nationwide Permits Water Quality Certification, U.S. Environmental Protection Agency, Region 10

Expiration date: 3/15/2031
2026 Nationwide Permits Water Quality Certification, U.S. Environmental Protection Agency, Region 10
8 Apr 2026
2026 Portland District Nationwide Permits Regional Conditions and Definitions

Expiration date: 3/15/2031
2026 Portland District Nationwide Permits Regional Conditions and Definitions