Supplement Analysis for the Watershed Management Program EIS, (DOE/EIS-0265/SA-69) - Improvement of Anadromous Fish Habitat and Passage in Omak Creek
- Bonneville Power Administration (BPA), Portland, OR (United States)
BPA proposes to fund a project with the Colville Confederated Tribes that will improve spawning and rearing specifically for summer steelhead in the Omak Creek Watershed. Efforts to achieve this objective include improved livestock and forestry management and barrier removal. These techniques include exclusionary fencing, spring developments, hardened-rock crossings, road decommissioning, culvert removal and placement, riparian vegetation planting and installation of instream structures. The result of implementing these techniques will reduce fine sediment delivered to the stream channel which will result in increased hatching success of summer steelhead. Also, reestablishing riparian vegetation will provide canopy and enclose the stream channel resulting in reduced stream temperatures. Two “on-the-ground” projects are proposed for this year. One project consists of installing three instream structures and planting riparian vegetation to provide bank stability along approximately 200’ of privately owned stream bank of Omak Creek. Also a fence will be constructed to exclude the landowner’s horses. The second project consists of removal of an inadequate sized culvert (5’ diameter) and replacement with a larger bottomless arch (6’ x 12’). This project will also include seven instream structures to stabilize the stream bank both upstream and downstream of the culvert and direct flows through the center of the bottomless arch.
- Research Organization:
- Bonneville Power Administration (BPA), Portland, OR (United States)
- Sponsoring Organization:
- USDOE Office of NEPA Policy and Assistance (EH-42)
- OSTI ID:
- 824088
- Report Number(s):
- DOE/EIS-0265/SA-69
- Country of Publication:
- United States
- Language:
- English
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