Skip to Main Content View Text-Only

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

More Contact Info

Subscribe to RSS feed

Most Recent

View Less

SW Grenwolde Place Sewer Extension Project

Project Update: May 7, 2020

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.

Link to sign up for email updatesEnvironmental Services will begin construction to provide property owners a way to directly and independently connect to the public sewer system. 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 possibility of emergency work in the future.


This project is located on SW Grenwolde Place between SW Upper Drive and the cul-de-sac of SW Grenwolde Place.


Our contractor, Interlaken, is scheduled to begin construction during the week of May 11. This project is anticipated to be complete by the end of June.

Pre-Construction Activities

Prior to construction, you may see crews surveying, trimming trees to protect them from large equipment, inspecting pipe and manholes to verify their conditions, marking utilities, or other preconstruction activities.

For more information around pre-construction activities, click here.

What To Expect During Construction

For information on what type of activities and impacts you will expect during this sewer construction project, click here.

For More Information

Email Stefanus Gunawan at or contact him at 503-823-5759.