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Project Details
Clackamas Partnership

Lower Abernethy Large Wood Enhancement #3

Limiting Factor
Degraded Channel Structure and Complexity
Lead Implementer
Greater Oregon City Watershed Council
Funders
Bonneville Power Administration, Oregon Department of Fish and Wildlife, Oregon Watershed Enhancement Board
Project Primary Contact
Tom Gaskill (tom.gaskill@gocwc.org)
Project Stage
Deferred
Duration
2023 - 2025
Estimated Total Cost
$150,660.00
Secured Funding
$0.00
No Funding Source Identified Yet
$14,160.00
Targeted Funding
$136,500.00
Degraded Channel and Riparian Areas Degraded Channel Structure and Complexity
The project will enhance in-stream habitat in Abernethy Creek downstream of Hidden Lake. Supplementing existing wood in the channel will increase complexity and increase floodplain/alcove connectivity providing a cool water refuge in a spring-fed off channel cove. The reach is known to provide spawning habitat for steelhead, coho, and Pacific lamprey based on ODFW spawning survey data. Large wood is intended to provide overhead cover and in-channel complexity for spawning adults and rearing juvenile fish. Riparian restoration will remove invasive species and restore native plants. Access for restoration will take place along an existing road entering the Hidden Lake Estates.

Targeted Performance Measure

  • Large Wood Placement: 932.00 lf
  • Riparian / Floodplain Invasive Species Removal Area: 1.00 acres
  • Riparian / Floodplain Native Planting Area: 1.00 acres

Focal Species

  • Coho
  • Pacific Lamprey
  • Steelhead

Project Types

  • Outreach / Landowner Engagement
  • Restoration

FIP Bienniums

  • FIP Biennium 3 work plan
Abernethy Creek near Hidden Lake with invasive blackberry dominating the riparian habitat and lacking large wood.
(Timing: Before) (~3,959 KB)
Credit: Rita Baker
Abernethy Creek near Hidden Lake with invasive blackberry dominating the riparian habitat and lacking large wood.

Location

Budget

$35,000.00 Targeted Funding: BPA (BPA)

$1,500.00 Targeted Funding: ODFW - MATCH (ODFW)

$100,000.00 Targeted Funding: OWEB Focused Investment Partn... (OWEB)

$14,160.00 No Funding Source Identified Yet

Photos

Looking downstream along project site.  Note the lack of large wood and structure in Abernethy Creek.
(Timing: Before) (~4,326 KB)
Credit: Rita Baker
Looking downstream along project site. Note the lack of large wood and structure in Abernethy Creek. (Timing: Before)

Project last updated 6/28/2024

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Copyright (C) 2025 Tahoe Regional Planning Agency and ESA | Code last updated (compiled) at 2025-05-02 19:10:20.