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Sellwood Sewer Extension Project

Sewer and Stormwater
Environmental Services is designing a sewer project to extend the public sewer system throughout the Sellwood-Moreland neighborhoods. This work will extend the sewer system in 54 locations that will provide 119 property owners a way to directly and independently connect to the public sewer system.
Construction for this project is anticipated to begin in summer 2022 and be completed by summer 2024.
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This Sellwood Sewer Extension Project will extend the sewer system in 54 locations and provide 119 property owners a way to directly and independently connect to the public sewer system throughout the Sellwood-Moreland neighborhood. The project will also help protect public health, property, and the environment by increasing the capacity of the public sewer system, reducing the potential for basement backups, and reducing the likelihood of emergency work in the future.

The Nonconforming Sewer Office has contacted homeowners who will have direct impacts to their lateral sewer pipe (the pipe that runs from their home to the sewer mainline). For more information on nonconforming sewer connections, visit….

Project Area


The project area is generally bounded by SE Lambert Street to the north, SE Linn Street to the south, SE Oaks Park Way to the west, and 99E to the east with a few areas north of SE Lambert Street. See map for details.

General Schedule

This project is in the early design phase. Construction is anticipated to begin in the summer of 2022 and take up to two years to complete all work in the project area. Work on each block is expected to take four to six weeks.

What’s Happening Now?

On Monday, August 9 from about 7:00 a.m. to 12 p.m. noon, crews will locate the old trolly tracks on SE 13th Avenue from Bidwell Street to Linn Street. The trolly tracks are buried somewhere beneath the street and we need to learn details about their location to help us plan where to install the new sewer lines.

This work is dependent on locate crew availability and may be postponed and rescheduled on short notice.

What to Expect During Trolly Track Locate Work

This work will not make any noise, because rather than digging up the street, crews will use ground penetrating radar (GPR) and a metal detector to determine the location of the tracks.

We Want to Hear From You

We would like to hear from you about special events, school activities, and community services in your neighborhood you think may be impacted by this project. Also, we want to know if you have any concerns related to business operations, disability or mobility issues, medical or business deliveries, and proposed night work. Your input will help us minimize the impact to your neighborhood during construction. 

Call 503-865-6492, stating that Sellwood Sewer Extension Project is your area of concern. Outreach staff will return your call by the next business day.

Business Impact Survey

If you have a business within the project area, please complete this Business Survey so we can learn more about your business and what needs you may have during construction.

Sign Up for Updates

Sign up for regular updates at SellwoodSewer Extension Project.