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Swale on Yale - Capitol Hill Water Quality Project

SPU is working with Cascade neighborhood businesses and property owners to construct a stormwater treatment system on four blocks on Yale Avenue North and Pontius Avenue North. This project will consist of four biofiltration swales, a pre-treatment swirl concentrator and a diversion structure. The project will greatly improve the quality of stormwater runoff entering South Lake Union.

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For questions or comments, contact:
Jason Sharpley, Project Manager
(206) 615-0030
jason.sharpley@seattle.gov