Drainage

As a stormwater utility, SWM provides a variety of services for ratepayers to keep people safe and to keep our rivers, lakes, streams, and Puget Sound healthy. Drainage related services are among the most visible in our community, especially during big rainstorms.

We are working for you to:

Culvert
Drainage structure
Failing pipe
Drainage system construction project
Drainage problem - flooding

Report a Drainage Problem

Report a drainage problem in your neighborhood or request a drainage investigation.


If you have trouble using the drainage investigation request form contact our Drainage Services Coordinator via email or call 425-388-3464.