information
COVID-19 Safety, Recovery and Resilience

Face coverings are required in indoor public spaces and many outdoor spaces. State policy
Access City programs, people and projects helping Portland recover. Portland United
Volunteer. Play. Stay. Shop. Show the Rose City a little love. Here for Portland

Sewer and Stormwater Improvements

Program
Photo shows two workers in sewer construction vault lowering pipe into place
About one-third of Portland’s public sewer pipes are more than 80 years old. Sewer construction projects to repair or replace aging pipes helps to protect people, property, and the environment. Find detailed information about current sewer construction projects.
Contact

Find an Environmental Services Project Contact

Locate an Environmental Services project

Featured content

A graphic that has a screen capture of a map of the westside and inner southeast areas of Portland around the Willamette River with blue markers and squares illustrating how the Google Map version of the construction map looks, to the very right in large blue font is, "Find a sewer and stormwater project"
Information

Find Sewer and Stormwater Construction Projects

Photo shows a trench opening in the street and large construction equipment with workers inspecting work.
Information

What to Expect During Construction

Bridge completion looking from west to east of Tryon Creek.
Sewer and Stormwater

SW Boones Ferry Bridge & Restoration Project

Photo shows old brick sewer pipe tall enough for a person to stand in with new fiberglass pipe liner being carried by small minature train.
Sewer and Stormwater

Taggart Outfall Sewer Project

Photo shows curb marker saying: Green street managing stormwater with maintenance hotline 503-823-1700.
Sewer and Stormwater

Sunnyside South Green Street and Sewer Project

Aerial photo from 1974 of the Columbia Boulevard Wastewater Treatment Plant. About half the plant is outlined to show what areas are being impacted by the STEP program.
Information

About the Secondary Treatment Expansion Program

Related offices, programs, advisory groups, and projects

Aerial view of bridges over the Willamette River in Downtown Portland
Bureau/Office

Environmental Services

Aerial photo of wastewater treatment plant with four areas shaded in yellow on northern end of campus to indicate project area.
Project

Secondary Treatment Expansion Program

Project

Downtown-Old Town Sewer Repair Program

See something we could improve on this page? Give website feedback.