Seattle Public Utilities Mami Hara, General Manager/CEO

North Henderson

  • North Henderson Project Site Mid July Aerial photo of North Henderson Combined Sewer Overflow Reduction project site July 15, 2016.
  • North Henderson Basin North Henderson project area.

What & Why?

What's happening now?

Construction will be underway on the Seward Park site between early 2015 and mid 2017. The park remains open, but parking will be affected. View parking map (pdf).

February 16

Construction activities at the Seward Park site:

Work inside the storage tank is complete, and operational systems are being tested. Current work outside the tank includes grading, installation of walkways and tennis courts, and landscaping.

Project goals and benefits

This project will reduce the frequency of sewage overflows into Lake Washington to no more than one per year per outfall (on average). SPU plans to complete two new underground storage facilities in North Henderson to store excess combined sewage and stormwater during major rain. The underground storage facilities are in the following locations:

Connect


Ask Us

Alan Lord, PE, Project Manager
alan.lord@seattle.gov
(206) 233-1565

Please specify the project site with your comments:

  • Seward Park (Basin 44) or
  • 57th Ave. S. right-of-way (Basin 45)

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