information
Portland and the federal government

Learn about our sanctuary city status, efforts to block federal overreach: Portland.gov/Federal

Bull Run Filtration Project

Project
Public Works
December 2027
Portland is building a new filtration facility to keep our drinking water safe and abundant for generations to come. Filtration will remove the microorganism Cryptosporidium from the Bull Run supply and must be completed by September 2027 to comply with state and federal water quality regulations.
Picture of a child at a Benson Bubbler water fountain. View full size image

Featured content

Type treatment for the Filtration project with Bull Run Treatment Projects stacked on the left a thin line in the middle and Filtration on the right

About the Bull Run Filtration Project

digital collage of e-newsletters for the bull run treatment projects

Sign up for Bull Run Filtration Updates

A wooden "Bull Run Lake" sign in front of a blue lake surrounded by evergreen forested hills with Mt Hood in background

Why filtration: Benefits of the Bull Run Filtration project

Pipeline construction for the Filtration project

Bull Run Filtration construction activity

Image with FAQ in the center of a circle comment bubble that has water droplets on it

Bull Run Treatment Projects frequently asked questions

Screenshot of Filtration Land Use documents on Multnomah County website

Bull Run Filtration Multnomah County Land Use Application

Bull Run Filtration Good Neighbor Agreement next to icons of: protractor and pencil; construction worker; faucet filling glass; comment bubbles

Bull Run Filtration Good Neighbor Agreement

Contact

Bull Run Treatment Projects

Bonita Oswald, Project Communications Coordinator
bullrunprojects@portlandoregon.gov
phone number503-823-1505

Follow on Social Media

PortlandWaterBureau
portlandwater
portlandwaterbureau

Related offices, programs, and projects

map of Bull Run Treatment Projects in east Mult. Co.: Improved Corrosion Control Treatment project off of Lusted Rd and the Filtration project off Dodge Park Blvd

Bull Run Treatment

Commissioner Fritz speaking at a Site Advisory Group meeting

Bull Run Filtration Site Advisory Group

Workers connect a fire hydrant to the water system.

Water System Improvements

News

Filtration Neighbor Update - Dec. 5, 2025

Read the Dec. 5, 2025 Bull Run Filtration construction activity update to learn about work happening the week of Dec. 8.

Newsletter

Filtration Neighbor Update - Nov. 28, 2025

Read the Nov. 28, 2025 Bull Run Filtration construction activity update to learn about work happening the week of Dec. 1.

Newsletter

Bull Run Treatment Projects Update - Nov. 26, 2025

Please read our November 2025 Bull Run Treatment Projects Update.

Newsletter

Filtration Neighbor Update - Nov. 21, 2025

Read the Nov. 21, 2025 Bull Run Filtration construction activity update to learn about work happening the week of Nov. 24.

Newsletter

More news

Events

Bull Run Filtration: Neighbor Update Meeting (January 2026)

The Water Bureau will host an online community meeting to update neighbors on Bull Run Filtration construction, including pipeline construction in the right-of-way and ongoing concrete work at the facility site.

6:00 pm – 7:00 pm

Bull Run Filtration: Coffee with the Contractor (February 2026)

The Water Bureau will host an informal drop-in session for community members to learn more about the Bull Run Filtration project construction.

9:00 am – 10:30 am
Meeting

Bull Run Filtration: Coffee with the Contractor (March 2026)

The Water Bureau will host an informal drop-in session for community members to learn more about the Bull Run Filtration project construction.

9:00 am – 10:30 am
Meeting

Bull Run Filtration: Neighbor Update Meeting (April 2026)

The Water Bureau will host an online community meeting to update neighbors on Bull Run Filtration construction, including pipeline construction in the right-of-way and ongoing work at the filtration facility site.

6:00 pm – 7:00 pm
Meeting
More events

Past Meetings and Hearings

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

Back to top