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Jefferson and Hood Street Surface Water Interceptor

Project Description

The project will construct a large diameter interceptor stormwater pipeline and build a new outfall into the Thea Foss Waterway. This project will improve existing storm sewer and system capacity, help reduce flooding events, and support future growth in the downtown area.

The City is working with a design build team of James W. Fowler Co. and Kennedy/Jenks Consultants to design and construct this new stormwater pipeline. The project has completed Stage 1 - Design Phase.  Stage 2 - Construction is planned to start October 2021.  See the map for the project area.

We will share more information about construction methods and sequencing as design progresses.


Project Goals

  • Address flooding that occurs in the lower downtown area due to capacity limitations in the existing stormwater system.
  • Provide surface water conveyance capacity for future growth in the downtown area.
  • Deliver project improvements that represent the “best value” to Tacoma’s surface water ratepayers.
  • Mitigate construction impacts on the downtown community, including adjacent local businesses and the public.

Contact Information

For additional information, call the project hotline at (253) 279-5509 or email the project team.


photo of the map