Lower Clackamas/ Eagle Creek Confluence Side Channel Reconnection
Limiting Factor
Isolated Side Channels and Off-Channel Habitats
Lead Implementer
Clackamas River Basin Council
Funders
Oregon Watershed Enhancement Board, Portland General Electric
Project Primary Contact
Isaac Sanders (isaac@clackamasriver.org)
Project Stage
Completed
Duration
2021 - 2024
Degraded Channel and Riparian Areas
Isolated Side Channels and Off-Channel Habitats
The Lower Clackamas River watershed encompasses 15,428 acres of mostly industrial, urban, and residential development. The project would reconnect multiple historic side channels, add large wood structures, improve native plant densities and manage invasive species at the confluence of Eagle Creek and the Clackamas mainstem. This stretch of the Lower Clackamas would have been highly complex with multiple channels but over the years the river has been confined to a single channel.
Key Accomplishments
- Large Wood Placement: 2,550.00 lf
- Riparian / Floodplain Invasive Species Removal Area: 6.00 acres
- Riparian / Floodplain Native Planting Area: 2.00 acres
- Side Channel Habitat Increase: 2,550.00 lf
Focal Species
- Coho
- Fall Chinook
- Pacific Lamprey
- Spring Chinook
Project Types
- Restoration
FIP Bienniums
No FIP Bienniums provided
Side channel wood structure
Location
Expenditures
Expenditures by Fund to Date: $620,941.56
OWEB Focused Investment Partn... (OWEB): $317,671
PGE Funding (PGE): $303,270
Photos
Apex Jam in mainstem of lower Eagle Ck (Timing: After)
Side Channel wood structure in reactiviated side channel (Timing: After)
Bank buried wood structures on mainstem Eagle Creek (Timing: After)
New side channel formed after large wood was placed in mainstem Eagle Creek (Timing: After)
Side channel reactivated by large wood placement with added wood structures (Timing: After)
Large wood recruited on placed structures in the mainstem of Eagle Creek (Timing: After)
Project last updated 4/26/2024