Environmental Services will begin construction this fall on almost 7,000 feet of eight-inch gravity sewer in Terwilliger Boulevard from SW Powers Court to Highway 43. The new sewer will connect to the 30-inch Tryon Interceptor sewer, which carries sewage to the Tryon Creek Wastewater Treatment Plant in Lake Oswego. The city originally planned to start work in May 2014 but postponed it to avoid conflicts with Multnomah County's Sellwood Bridge project.
The new Terwilliger sewer will connect to the 30-inch Tryon Interceptor sewer, which carries sewage to the Tryon Creek Wastewater Treatment Plant in Lake Oswego. This improvement to Portland’s wastewater collection system will help protect water quality, public health, and the environment.
For More Information
To receive email updates for this project, email Ashley Tjaden at Ashley.Tjaden@portlandoregon.gov with “Terwilliger” in the subject line. You can also call Ashley at 503-823-5281 or email her with questions or comments.
Receive Project Traffic Alerts by Text
You can receive text messages of urgent traffic alerts by simply requesting to be put on the text message list. Messages are 1-2 sentences long and convey information such as road closures and openings. Major mobile networks are capable of this, but message and data rates may apply. Please email Ashley with “Terwilliger” in the subject line and in the body of the email provide your mobile phone number and the name of your network carrier.