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The City of Portland, Oregon

Environmental Services

working for clean rivers

Phone: 503-823-7740

Fax: 503-823-6995

1120 SW 5th Ave, Suite 613, Portland, OR 97204

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Carolina Trunk Sewer Repair Project

COVID-19

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The City of Portland’s Bureau of Environmental Services is continuing our work to repair and replace critical sewer and stormwater infrastructure. Environmental Services will continue to provide information and updates on construction schedules and activities during the COVID-19 emergency. 

Updated August 24, 2020Carolina Trunk Barbur to Marquam Project Map

Environmental Services – your sewer and stormwater utility – is designing a project to repair a section of large concrete sewer pipe running from Barbur Boulevard under Interstate 5 to Macadam Avenue.  This section of pipe is part of a sewer known as the Carolina Trunk. It was built almost 90 years ago to manage sanitary sewage and stormwater from slopes in SW and S Portland.

The trunk is now showing signs of deterioration and needs to be repaired. The sewer and stormwater improvements will extend the service life of the trunk by 50 years or more, increase sewer resiliency to earthquake damage, and help prevent sewage releases to buildings and streets.

What's Happening Now?

In the summer and fall of 2020, work crews will periodically be in the area to perform investigative activities. Activities include marking the location of sewer pipes and underground utilities with temporary paint, surveying the land, and collecting soil samples. Information gathered will help determine the repair locations, select construction methods, and minimize construction impacts on residents and businesses.

Schedule

Construction is expected to start in the spring or summer of 2023 and should take about a year to complete. We will provide detailed timelines and other project information via mail, email, social media, and the project website when it becomes available. 

For More Information

Contact Aaron Abrams at Environmental Services at 503-823-2827 or Aaron.Abrams@portlandoregon.gov if you have questions or concerns.