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Management of Natural Asbestos in Swift Creek

Management of Natural Asbestos in Swift Creek

Client: Whatcom County, WA

Case Study: David Roberts of Peak worked with landowners along Swift Creek to explore alternatives for the long-term management of naturally occurring asbestos-laden water and sediments in Swift Creek. Swift Creek in Whatcom County has asbestos flowing into it from a naturally occurring land formation in the hillside above the valley. Peak’s work sought to prepare the way for a long-term solution, establish good communications, and provide access to private property.

Impact: Whatcom County evaluated alternatives for the long-term management of asbestos-laden water and sediments in Swift Creek. One alternative involved rerouting a clean tributary of Swift Creek into another drainage system. The goal is to reduce flows in the main Swift Creek channel which should simplify sediment management requirements. Preliminary engineering analysis was completed.

Ecology and Whatcom County Public Works Department went on to collaborate on a flood control and sediment management project east of Everson near Sumas Mountain. Whatcom County finalized the Swift Creek Action Plan at the end of 2019. Construction began in 2021. Project implementation and remaining design as well as additional funding from the Legislature are proposed for continuing construction in the 2025–2027 biennium.

Testimonial: “It is a pleasure to work with you; we cannot thank you enough for what you [Peak] have accomplished to date as to engaging landowners in the Swift Creek process. We have a great group of specialists, and I’m confident that together we can provide the answers the County needs.” Jeff P. Johnson, Watershed Science and Engineering

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