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The City of Portland, Oregon

Environmental Services

working for clean rivers

Phone: 503-823-7740

Fax: 503-823-6995

MAILING ADDRESS: 1120 SW 5th Ave, Room 1000, Portland, OR 97204

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Montavilla North Sewer Repair

Updated July 18, 2019Button. Click to sign up for email updates

Environmental Services continues construction of the Montavilla North Sewer Repair Project in the Montavilla Neighborhood (north of Stark Street). The project includes replacing or repairing more than three miles of deteriorating 100-year-old public sewer pipes, 87 manholes, and public sewer connections for 221 properties. These improvements will help protect the public and our environment by reducing the possibility of sewage releases to homes, businesses, and streets.

For information about the sewer improvements in the Hollywood-Grant Park neighborhoods that are included in this project, visit


The map below indicates pipe work locations and provides a construction update for the project.

Map of Montavilla North Sewer Repair Project

General Schedule

Construction is expected to continue through December 2019.

In general, work hours are from 7 a.m. to 6 p.m., Monday through Friday, and Saturdays as needed.

Look-Ahead Schedule

Between this week and August 2, the contractor is scheduled to work at several locations. The schedule may change due to a variety of factors, including weather, conditions underground, availability of materials and labor, and other factors.


Several streets where crews had to dig into the street to repair public sewer pipes now have temporary asphalt patches.The contractor is completing final pavement restoration as weather permits. Paving is scheduled at the following locations:

  • Various locations – Concrete restoration of sidewalks, driveways, and curbs
  • E Burnside St west of NE 69th Ave – Concrete paving July 29 and asphalt paving August 1
  • SE 70th Ave north of SE Thorburn St – Concrete paving July 29

Cured-In-Place-Pipe Lining For Mainline

Cured-in-place-pipe lining (CIPP) to repair mainline public sewer pipes and service laterals to adjacent properties continues this week. For CIPP locations, see the construction methods map by clicking here. CIPP for mainline pipe is scheduled at the following locations:

  • SE 84th Ave north of SE Stark St – Install liner July 18
  • NE 73rd Ave north of NE Glisan St – Install liner July 19

Pre-construction Activities

Pre-construction activities may occur throughout the project area to prepare locations for construction at a future date. These activities may include inspecting and cleaning sewer pipes, marking underground utilities, tree trimming, installing tree protection, installing erosion control measures, staging equipment and materials, and setting up traffic controls. Click here for more information about pre-construction activities.  

Construction Methods

The contractor will use a variety of construction methods to replace and repair public sewer pipes in this project. Methods include open trench excavation, cured-in-place-pipe lining, and pipe bursting. For details and photos about each method, click here.

For a project map illustrating the pipe work locations in this project and the primary construction method for each location, click here.

Sewer construction disrupts normal neighborhood activity. For details about what to expect during construction, click here.

For More Information

If you would like more information about the project or have questions and concerns you’d like to discuss, please call or email:

Stefanus Gunawan
Community Outreach
Phone: 503-823-5759

If you have a concern or question about a pipe repair near you, please be sure to include your name, property address and project name (Montavilla North) in your voicemail and email so we can provide you more details about what to expect in front of your property. Also, please write "Montavilla North" in the subject line of your email. Click SIGN UP to sign up for periodic email updates about the schedule, construction activities, possible traffic detours and delays, parking restrictions, and other impacts.

Another project in the Montavilla Neighborhood – Montavilla South Sewer Repair, south of Stark Street – completed construction in March 2019.


Project Overview

Including the project description, map and schedule

Community Outreach

Check out upcoming public meetings, and current and previous communications about the project