Phone: 503-823-7740
Fax: 503-823-6995
1120 SW 5th Avenue, Suite 1000, Portland, OR 97204
Phone: 503-823-7740
Fax: 503-823-6995
1120 SW 5th Avenue, Suite 1000, Portland, OR 97204
The Columbia Boulevard Wastewater Treatment Plant is part of a sewage collection and treatment system that serves about 600,000 customers. The plant operates every day around the clock to manage, monitor and adjust the collection system and treatment process. Nearly 100 sewage pump stations and more than 2,300 miles of pipes convey wastewater to the facility 24 hours a day.
Portland's largest wastewater treatment facility
What happens when sewage reaches the plant
Natural, nutrient-rich by-products of wastewater treatment
Using renewable energy sources
New plant entrance and office space
Work is underway
How we got here
Treatment plant statistics
Answers to frequently asked questions
Marking 60 years of wastewater treatment
Receive odor notifications or report odors