Ginger Creek is a tributary to the Cedar River, but sections of the stream have been placed in large pipes sections (72-inch CMP) that are old and located in Tiffany Park, Cascade Park, and residential neighborhoods. The existing pipe system has surcharged during significant storm events causing flooding in Cascade Park. After the city annexed the Benson Hill area, the pipe systems and open channel were maintained to reduce sediment buildup between SE 160th St and the Cedar River Pipeline ROW, which has reduced the occurrence of flooding. However, the project is needed to evaluate conditions of the existing pipes sections due to their age and the capacity of the existing conveyance system. The basin plan will involve a complete hydrologic and hydraulic analysis of the basin for future land use runoff conditions and the evaluation of the conveyance system conditions to identify long-term capital investment needs to prevent future flooding and to protect public safety. In addition, the basin plan will evaluate opportunities for incorporating environmental and other multi-purpose benefits.
Project is included in the City of Renton's FY 2023-2028 Budget CIP. As of January 18, 2023, information regarding a design team or a general contractor is not available. Funding is anticipated in 2023.*
*Project information has been obtained through a public capital improvement plan (CIP). A CIP is a financial schedule for short- and long-range projects which is updated regularly. Information listed in the CIP often evolves based on funding availability and the project details, including timeline and value, are subject to change. The content management team will continue to pursue additional details as they become available.
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