Columbia Boulevard is Portland's largest sewage treatment plantRead More…
1120 SW 5th Avenue, Room 1000, Portland, OR 97204
The Wastewater group operates Portland's wastewater collection and treatment system. Solids removed during the sewage treatment process are recyled into biosolides, a beneficial soil amendment. The Wastewater group monitors, operates, and maintains nearly 100 sewage pump stations, the Columbia Boulevard and Tryon Creek wastewater treatment plants, and the sanitary sewage and stormwater collection system.
The Wastewater Group protects public health, water quality, and the environment by operating and maintaining wastewater and stormwater collection and treatment facilities and managing programs in a manner that assures compliance with all applicable permits, regulations and contracts.
Columbia Boulevard is Portland's largest sewage treatment plant
City of Portland sewage treatment plant in Lake Oswego
Portland's system serves over half a million customers
Guide to wastewater treatment terms