Public Works

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New Litter Cleanup Program

In response to resident's concerns about litter issues, Snohomish County Public Works has launched the "Clean Sweep Litter Program" for summer 2017. Read more about the program and see how Litter Wranglers are helping keep Snohomish County looking its best.


The Public Works Department is responsible for:
  • Developing and maintaining the roads, bridges, traffic, and the general transportation system within unincorporated Snohomish County.
  • Overseeing the disposal of solid waste (trash and recycling) within all of Snohomish County.
  • Managing and monitoring surface water including storm water drainage and flooding, as well as water quality in rivers, streams, lakes, and aquatic habitat.
The department provides services throughout unincorporated Snohomish County, but often partners with cities and/or agencies for various projects.

Learn what the Public Works Department does and the various services it provides by viewing the 2016 Annual Report: Our Services To You


Public Works is the largest department in Snohomish County government with approximately 590 positions.

Title VI

Review the Title VI section for information about the Federal Civil Rights Act of 1964, a copy of our Title VI Policy Statement, Notice to the Public, and Title VI Plan Updated April 2016; and for complaint procedures, complaint forms, and contact information.