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Environmental Services

working for clean rivers

Phone: 503-823-7740

Fax: 503-823-6995

1120 SW 5th Avenue, Room 1000, Portland, OR 97204

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Northwest District Sewer Replacement Project

Updated May 25, 2017

Night Work on NW Vaughn

Sign up for email construction updatesEnvironmental Services is continuing construction of the Northwest District Sewer Repair Project to repair or replace about 8,000 linear feet of public sewer pipes that are 116 years old and in deteriorating condition. The project will increase sewer system capacity to relieve basement sewer backups and help protect public health, water quality and the environment.

Construction Schedule

Current Night Work

  • The week of June 5, 2017 - The Cured in place pipe lining (CIPP) is tentatively scheduled to begin on NW Vaughn. The same moving job site method will be used. The lining process will be performed a half block at a time starting at NW 27th Avenue and moving east to NW 23rd Avenue. This phase is expected to take a couple of weeks to complete. For information on CIPP go to

Current Day Work

Our contractor will continue installation of the connections to buildings on NW Upshur. This work will continue for a couple of week. Once completed final trench paving will be completed.

  • The week of May 29, 2017 - Pipe installation will begin on NW 24th Place. Our contractor will install new public sewer main and make connections to each building. This work will take a few weeks to complete. This will be followed by the pipe installation on NW 23rd Place.

There will be periods of inactivity between phases.

Current work scheduled

Noise Variance

The Portland Noise Control Office granted Environmental Services a noise variance for overnight construction at specified locations (see map) for up to five months on this project. Night work hours are 8:00 p.m. to 5:30 a.m. Sunday through Thursday. If you have questions or concerns during night work hours, you can call the City of Portland on-site hotline at 503-823-6290. You can also contact the Portland Noise Control Office at 503-823-7350 or

Construction Methods

Construction will include open trench, cured in place pipe lining (CIPP) and jack and bore. The contractor will dig trenches to the curb to install laterals that connect individual properties to the sewer. There will be no loss of service to any properties during construction.

For Project Information

Contact Joe Annett, 503-823-2934.