North Henderson project area.
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 11, 2015
Construction of the Seward Park portion of the North Henderson Combined Sewer Overflow Reduction project is scheduled to begin the week of February 23. The project team is working to minimize impacts where possible and create a safe work zone within Seward Park. Over the course of the project (construction through mid-2017), impacts will vary by season and the type of construction underway. General construction impacts include:
Over the first few weeks the noticeable activities will include:
While construction impacts will generally be confined to the fenced construction site, we remind everyone to stay safe and cautious of the construction trucks and equipment.
The North Henderson CSO Reduction Project (North Henderson) will reduce the amount of untreated sewage and stormwater that overflows into Lake Washington at two outfalls located offshore of:
To reduce the frequency of sewage overflows to no more than one per year per outfall, on average, SPU plans to complete two new underground storage facilities in North Henderson in 2017 to store excess combined sewage and stormwater during major rain.