Ballard Natural Drainage Systems Project nears completion

The Ballard Natural Drainage Systems will reach substantial completion this week, with the system becoming operational.

Over the next two to four weeks, the primary agencies who oversaw the work will complete the following final inspections of the site:

  • Seattle Public Utilities representatives will inspect the roadside rain gardens and related drainage infrastructure.
  • Seattle Department of Transportation will inspect the new sidewalks, crosswalks, curb ramps, and street trees.

“Thank you for your patience throughout construction,” says the BNDSP team.

After the inspection, the contractor will make any final repairs if requested.

Seattle Public Utilities will also send homeowners information about the new roadside rain gardens and short-term and long-term maintenance needs.

Locals who have questions in the meantime, are encouraged to call or email Grace Manzano, Project Manager, at (206) 233-1534 or

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