| Document Type | Document Title | Date | Remarks |
| Permit | Permit S53677 Image | 4/4/2000 | |
| Order | Order Image - Volume: 56 Page: 57 | 2/4/2002 | APPROVING T-8989 |
| Order | Order Image - Volume: 74 Page: 586 | 4/10/2008 | APPROVING WMCP PORT OF ST. HELENS |
| Order | Order Image - Volume: 134 Page: 665 | 5/14/2025 | APPROVING WMCP FOR PORT OF COLUMBIA COUNTY DEVELOPMENT LIMITATION MODIFIED TO DIVERT UP TO 6.0 CFS OUT OF TOTAL PERMITTED 30.0 CFS |