For decades, a slow-moving landslide on the west side of Sumas Mountain near Everson, Whatcom County, has dumped naturally occurring asbestos and metals into Swift Creek. And for decades ...

Dredged spoils along the Swift Creek channel; landslide visible at upper right (author photo). Swift Creek. The name evokes a clear, fast-moving mountain stream. The Swift Creek at issue ...

Excessive sediment from the slide worsens flooding on Swift Creek, which runs into the Sumas River. The county has been dredging the landslide material out of Swift Creek and piling it along the ...