DESCRIPTION
The North Olympic Salmon Coalition (NOSC) provided project management and contract oversight for this design-only project. Morse Creek is a medium-sized tributary to the Strait of Juan de Fuca. It is inhabited by multiple stocks of imperiled salmonids: Strait of Juan De Fuca summer chum, bull trout, pink salmon, coho salmon and winter steelhead. Puget Sound Chinook were recently extirpated in Morse Creek. Much of the stream reach within the WDFW property (river mile 1.2 to 1.7) was severely degraded by human impacts. It was channelized, confined, over-steepened, diked and depleted of large wood, resulting in severe channel simplification. The resulting channel is extremely energetic, paved with large cobbles and boulders, and lacks complexity. Fish habitat conditions are extremely poor.
NOSC contracted with Herrera Consulting Engineers, which worked up a conceptual design, consulted the Technical Advisory Group to refine ideas, and put together 30% engineering drawings with the aims of restoring high quality mainstem, side channel, and off-channel habitat historically used by all the imperiled Morse Creek salmonids and also by coastal cutthroat trout. Proposed work includes 1) removal of 1,100 feet of dike, 2) restoration of the 1939 stream channel with reconnection of the stream to 9.3 acres of floodplain, and 3) construction of 19 substantial engineered log jams .
This work determined that a geotechnical study was needed to assess depth to bedrock in order to complete the engineered log jam and large woody debris structure designs. The digging for a geotechnical study triggers the need for additional permitting and an archaeological investigation. At the close of the grant, the engineering firm was continuing limited work to advance design beyond 60% but could not make substantial progress until permits were in hand.