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Sucker Creek Habitat Restoration Design Draft: Enhancing Fisheries and Flow Dynamics

This draft presents a conceptual design to improve poor fisheries habitat in Sucker Creek by connecting channels, creating islands, and enhancing flow dynamics through the inclusion of side-channel habitats and grade control structures. The plan aims to reconstruct the channel layout, create spawning areas, and maintain perennial flow to support aquatic life. Additionally, it includes estimates for cut/fill operations and considers flood analysis for flow management.

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Sucker Creek Habitat Restoration Design Draft: Enhancing Fisheries and Flow Dynamics

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  1. Sucker Creek Design Draft (Existing Condition) Poor fisheries habitat Incised channel Bridge Tailings pile Settling ponds Disconnected ponds Flow Direction

  2. Sucker Creek Conceptual Design-A Draft (channel pattern and layout) Create mid-channel island Connect to existing tribs or cold water seeps Bridge Side-Channel habitat (active during higher water) A A Tailings pile Settling ponds Channel Reconstruction Key Perennial Flow FMF Large Wood Complex Grade Control Structures Active During higher flows Island Bar Buddies Constructed Spawning Areas Bridge not to scale

  3. Cut/Fill Estimations Bridge Settling ponds Tailings pile

  4. Flow Direction Perspective View

  5. 1.5yr Flood (HEC-RAS analysis) 820 cfs

  6. 10 yr Flood (HEC-RAS analysis)

  7. 100 yr Flood (HEC-RAS analysis) 5,271 cfs

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