The Knickerbocker floodplain site is a section of the South Branch of Thornton Creek in Northeast Seattle. This project will relocate several hundred feet of the creek and create a 1.5 acre vegetated floodplain. This increased storage capacity will provide benefits to downstream stream-side properties and improve the habitat for biological communities within the creek. A new pedestrian bridge over the creek will be built as well.
August 14, 2013, Update
Removal of invasive plant species is scheduled for August 28-30. The Seattle-based non-profit group EarthCorps will be performing this work. It will include both physical removal and treatment with an “eco-friendly” herbicide application, which will be reapplied in the spring. They will be targeting Japanese knotweed, nightshade and morning glory, English ivy, bamboo, blackberries and a variety of other non-natives.
The project design work was completed in 2012, and reconstruction of the upland areas is scheduled to begin in early June of 2014. The work in the creek itself, the “floodplain reconnection” portion, can only be done during the “fish window” of July 1 – August 30, as determined by the Washington State Department of Fish & Wildlife.
For additional information, contact Arnel Valmonte, SPU Project Manager, at (206) 615-1438 or email@example.com.