Heavy Rainfall Impacts

Following heavy rain, the City of Portland is addressing citywide impacts. Track road closures related to landslides.

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
2017 – 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

People in hardhats overlooking construction site with cranes.

Bull Run Filtration construction activity

Concept rendering of operating filtration facility.

Investing in our water future: Bull Run Filtration project costs and funding

Screenshot of Filtration Land Use documents on Multnomah County website

Bull Run Filtration land use permitting process

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

Bull Run Treatment Projects frequently asked questions

A group of people in hard hats and reflective high-vis vests and coats. One points at something in the distance while speaking to the others.

Bull Run Filtration Project Delivery Advisory Team

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
503-823-1505

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 - March 13, 2026

Read the March 13, 2026 Bull Run Filtration construction activity update to learn about work happening the week of March 16.

Newsletter

Filtration Neighbor Update - March 6, 2026

Read the March 6, 2026 Bull Run Filtration construction activity update to learn about work happening the week of March 9.

Newsletter

Bull Run Treatment Projects Update - February 2025

Please read our February 2025 Bull Run Treatment Projects Update.

Newsletter

Land use process a primary driver of filtration project delays leading to increased costs, request for deadline extension

Delays impact City’s ability to meet September 2027 compliance deadline. Revised estimate reflects cost increases.

Press release

Construction at the facility site in January 2026.
More news

Events

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

Bull Run Filtration: Coffee with the Contractor (May 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 (June 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 (July 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