Lower Clackamas/ Johnson Creek Confluence Side Channel Reconnection Project
Limiting Factor
Isolated Side Channels and Off-Channel Habitats
Lead Implementer
Clackamas River Basin Council
Funders
Oregon Watershed Enhancement Board, U.S. Forest Service
Project Primary Contact
Isaac Sanders (isaac@clackamasriver.org)
Project Stage
Implementation
Duration
2023 - 2026
Degraded Channel and Riparian Areas
Isolated Side Channels and Off-Channel Habitats
This project at River Mile 4.6 in the lower Clackamas River proposes to increase inundation frequency and duration of a relic side channel, remove man-made infrastructure along the side channel, and increase the quantity and complexity of the side channel alignment and the alcove at the outlet.
The proposal includes placement of approximately ten large wood structures (approx. 5-10 pieces per) along the alignment and larger structures (25-30 pieces per) at the inlet and outlet. A culvert will be removed from the side channel alignment as well as a small cement dam near the outlet of Johnson Creek. Overall improving habitat complexity and side channel re-connection to 1,680 linear feet.
The proposal includes placement of approximately ten large wood structures (approx. 5-10 pieces per) along the alignment and larger structures (25-30 pieces per) at the inlet and outlet. A culvert will be removed from the side channel alignment as well as a small cement dam near the outlet of Johnson Creek. Overall improving habitat complexity and side channel re-connection to 1,680 linear feet.
Key Accomplishments
- Large Wood Placement: 1,680.00 lf
- Riparian / Floodplain Native Planting Area: 10.00 acres
- Side Channel Habitat Increase: 1,680.00 lf
Focal Species
- Coho
- Fall Chinook
- Pacific Lamprey
- Spring Chinook
- Steelhead
Project Types
- Outreach / Landowner Engagement
- Restoration
FIP Bienniums
- FIP Biennium 1 work plan
Location
Expenditures
Expenditures by Fund to Date: $664,842.99
Photos
Project last updated 10/17/2024