Historic Skamokawa Creek Channel

HISTORIC SKAMOKAWA CREEK CHANNEL

HSC Location map

1948 Army Corps of Engineers Flood Mitigation Project

Isolated 2 miles of meandering Skamokawa Creek behind dikes, 5-foot diameter tide gate, and 18 inch corrugated metal pipe with gate valve “Freshwater” intake structure (never opened).

W. Conservation District / Columbia River Estuary Study Taskforce / Diking District 5 Partnership

Resource concerns: Eutrophying system (temperature, dissolved oxygen, turbidity due to algae blooms) limited/NO fisheries utilization, water quantity.

5-Phases: 1) Inlet Structure, 2) Interior Undersized Culverts, 3) Outlet Structure, 4) Riparian Restoration, 5) Large woody debris structures

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