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Being a good neighbor

King County is committed to being a good neighbor and will work directly with the community throughout the project to minimize construction impacts whenever possible. Residents can expect:

  • Community meetings with the contractor prior to construction
  • Community briefings on project progress during construction
  • Advance notice of construction activities – mail, email, phone, door hangers
  • One-on-one problem solving with residents directly impacted by construction activities
  • Construction updates and news via notices, emails, and this website.
  • 24/7 construction hotline
  • News releases

operations phase

24-hour emergency and odor reporting:

Contact West Point Treatment Plant at  206-263-3801.

Community meetings and events

Visit Software Help if you have trouble viewing or downloading documents.

Saturday, June 18, 2017
11:00 a.m. – 3:00 p.m.
Fremont Siphon Odor Control Facility
215 Northwest 36th Street, Seattle

Community celebration and ribbon cutting

The facility ribbon cutting ceremony begins at 11:30 a.m.

During the Fremont Fair, bring your friends and family by the north project site to:

  • Take a tour of the building and rain gardens
  • See and learn about project art
  • Speak with project staff

View postcard and news release.

Monday, February 22, 2016

Fremont Neighborhood Council briefing

Handouts/presentations and additional information

Tuesday, February 16, 2016
11:30 a.m.–1:30 p.m.
Fremont Canal Park
2nd Avenue Northwest and Northwest Canal Street, Seattle

King County’s Fremont Siphon Replacement Project team invites you to meet SWIZY the new microtunneling machine about to begin work installing the new Fremont siphons under the Ship Canal.

  • See the machine up close
  • Learn how it works
  • Ask the project team questions
  • Help decorate SWIZY before it goes to work

Handouts/presentations and additional information

Wednesday, March 4, 2015
Seattle Pacific University

Briefing at Seattle Pacific University

Handouts/presentations and additional information

Monday, March 2, 2015
6–8:00 p.m.
Fremont Library
731 North 35th Street, Seattle

Community meeting. Join King County’s project team and contractor at the public meeting for the Fremont Siphon Replacement Project.

Handouts/presentations and additional information

2014 Fremont Fair
Saturday and Sunday
June 21–22, 2014

Visit our booth at the Fremont Fair June 21 and 22! Talk to staff about the Fremont Siphon Replacement Project and learn how you can help protect water quality by being “stewards of the sewers.”

June 11, 2014
Seattle Pacific University Standing Advisory Committee

Briefings for community groups and organizations

King County’s project team provided an update on the project.

November 26, 2013 – North Seattle Industrial Association

Briefings for community groups and organizations

King County’s project team provided presentations similar to the November 20 community meeting to community groups and organizations, and project neighbors.

November 25, 2013 – Fremont Neighborhood Council

Briefings for community groups and organizations

King County’s project team provided presentations similar to the November 20 community meeting to community groups and organizations, and project neighbors.

Wednesday, November 20, 2013
6–7:30 p.m.
Presentation at 6 p.m.
Fremont Abbey Arts Center
4272 Fremont Ave North
Seattle, WA 98103

Community meeting. You are invited to a presentation and discussion with the project team on November 20 to:

  • Learn about the project final design, including construction areas, activities and traffic impacts in Fremont and Queen Anne
  • Learn about what to expect during construction
  • View the final design for the Fremont site and new odor control building
  • View the public art design concept for the Fremont site and meet the artist

Handouts/presentations and additional information

2013 Fremont Fair
Saturday and Sunday
June 22–23, 2013

Visit us at the Fremont Fair June 22 and 23! Get a virtual sewer pipe tour and learn how King County inspects over 350 miles of pipes with sewer camera robots and our closed circuit television (CCTV) sewer inspection truck. Talk to staff about the Fremont Siphon Replacement Project and learn how you can help protect water quality by being “stewards of the sewers.”

Learn how King County inspects sewer pipelines with camera robots and our closed circuit television (CCTV) sewer inspection truck.
King County returned to the Fremont Fair on June 16 and 17, 2012 with our sewer inspection truck.

Tuesday, March 26, 2013
5:30–7:30 p.m.
Fremont Public Library
731 North 35th Street,
Seattle, WA 98103

Open house. You are invited to an open house to review design options for the facility site in Fremont.

Handouts/presentations and additional information

Thursday, March 21, 2013
4:30–6:30 p.m. 
Emmanuel Bible Church,
503 North 50th Street, Seattle

Visit our booth at the Fremont Chamber of Commerce’s “Cheers to Chambers” event on Thursday, March 21!  Learn more about the project and talk with project staff.

Saturday, January 12, 2013
10 a.m.–2 p.m.
B.F. Day Elementary
3921 Linden Ave. North
Seattle, WA 98103

You are invited to a design workshop to work with the project team and your neighbors to develop a landscape and architecture vision for the Fremont Siphon facility site.

At this workshop you can:

  • Learn how the site will be used, and site constraints
  • Discuss community values and vision for the site
  • Provide your input on flexible elements of design
  • Learn about the public art process
  • Hear about next steps

Handouts/presentations and additional information

Tuesday, November 13, 2012
5:30 p.m. open house,
6 p.m. presentation
Fremont Abbey Arts Center
4272 Fremont Ave. N.
Seattle, WA 98103

King County’s project team invites you to a community meeting to hear an update on the Fremont Siphon Replacement Project. At this meeting you will hear updates on:

  • Update on project activities and facility design
  • Restoration plans for affected street and park areas
  • Next steps in project design
  • Opportunities to participate

Handouts/presentations and additional information

2012 Fremont Fair
Saturday and Sunday
June 16–17, 2012

Visit King County's sewer inspection truck at the Fremont Fair!

King County returned to the Fremont Fair on June 16 and 17, 2012 with our sewer inspection truck.

May 3, 2012 – King County Environmental Laboratory
May 7, 2012 – Seattle Pacific University staff
May 29, 2012 – Seattle Pacific University Standing Advisory Committee
June 4, 2012 – Lake Union District Council
June 25, 2012 – Fremont Neighborhood Council

Briefings for community groups and organizations.

King County’s project team provided presentations similar to the May 15 community meeting to community groups, organizations, and project neighbors.

April 18, 2012 – Seattle Public Utilities
April 19, 2012 – Seattle Parks and Recreation
April 19, 2012 – Seattle Department of Transportation

Briefings for agencies

The project team previewed the presentation prepared for the May 15 community meeting to agency stakeholders.

Tuesday, May 15, 2012
6 p.m. open house
6:30 p.m. presentation
Fremont Public Library,
731 N. 35th Street, Seattle

Project community meeting

Handouts/presentations and additional information

2011 Fremont Fair
Saturday and Sunday
June 18–19, 2011

Visit King County's sewer inspection truck at the Fremont Fair!

  • Swing by to tour the CCTV truck and learn how to be a steward of the sewers!
  • Talk to us about King County's Fremont Siphon Project, which will replace a 100-year old wastewater conveyance line under the Lake Washington Ship Canal.

Community meeting
Tuesday, November 30, 2010
6–7:30 p.m.
Fremont Library
731 N. 35th St., Seattle

Project community meeting: presenting Fremont Siphon Project proposals.

Handouts/presentations and additional information