Glendale Creek Restoration
Dec 31, 2015
Restoration Goals
• Ensure long-term stability of road and stream
• Manage excess gravel and debris
• Provide habitat/fish passage
Fish Needs• Food (Rearing)
• Shelter (Rearing / Refuge)
• Ability to Reproduce (Spawning)
• Access (Passage)
Glendale Creek Project Areas
Road WashoutFish Passage
Lower ReachFish Passage,Spawning
Middle ReachHabitat
Road Washout
Island County (2009)• Stabilize Stream Banks• Remove Road Fill• Add Habitat Elements
Focus: Passage
Challenges in the Lower Reach
Undercut Road PrismUnstable Soils
Channel Down-CuttingNarrow Channel Segments
… More Challenges
6% Average GradeDegraded Instream Habitat
Excessive Incoming Sediment (originating in Middle Reach)
Bank Stabilization
Glendale Road
Stabilize / Replant (100 ft)(locations to be finalized)
Road Edge Stabilization(350 ft)
Upper Culvert
Fish Usage
Steeper and narrower(420 ft)
Wider and flatter (380 ft)
Upper Culvert
Glendale Road
• Rearing / Refuge• Spawning• Passage