The King County Water and Land Resources Division enhanced the channel of Boise Creek upstream of 268th St. The channel was widened, large wood was placed in the channel, and native plants were installed throughout the site. The project work will promote formation of more complex stream and wetland habitat, and create a multi-threaded channel. The widened channel will allow natural stream processes to create rearing and refuge habitat for Chinook salmon and steelhead trout, which are listed as threatened species under the Endangered Species Act. The widened channel will reduce water velocities and erosional forces and reduce bank erosion. The LWD and willow clusters will encourage the development of scour pools and other diverse aquatic habitats, while simultaneously reducing stream bank erosion in the reach. Willows and other native riparian species will be planted across the site to provide shade, improve water quality and improve habitat within the wetland.
This video is made from time-lapse footage collected in the first few months after the project was constructed. Time-lapse footage helps us to document and explain changes that occur on the site. This project site is being closely monitored and managed for at least the next four years.
Contact Carolyn Butchart, Project Manager for questions about the project. (206) 477-4659
Contact Josh Latterell, Monitoring Program Manager, for questions about project monitoring and maintenance: 206-477-4748
