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 Current traffic impacts
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Altman Road (between Oxbow Drive and Pipeline Road) through September 30, 2026: Single-lane, south-only traffic 24/7. North traffic will be detoured to Lusted Road, Hosner Road, and Oxbow Drive.
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Oxbow Drive/Altman Road intersection 24/7 closure October 1-29, 2026, and November 2-25, 2026: Full closure of the intersection. Through traffic will be detoured to Pipeline, Lusted, and Hosner roads.
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Dodge Park Boulevard (Cottrell Road to about 1500 feet east of intersection) through October 31, 2026: Single-lane with flagging during work hours. After work hours, normal traffic will resume.
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Cottrell Road (between Carpenter Lane and Lusted Road) through January 2027: Expect increased haul truck traffic on Cottrell Road as clean fill is transported to a fill site near Cottrell and Lusted roads.
What to expect:
- Local and emergency access will be maintained
Other work happening the week of September 28
Staff will be at the project work sites during shift hours to perform various tasks. Work hours will be between 7 a.m. and 6 p.m., Monday through Saturday.
Filtration facility site activities include:
- Ongoing construction traffic traveling to and from the site, including concrete trucks, soil off hauling, and bussing for craftworkers
- Delivering equipment and materials to the site
- Placing concrete for treatment process areas and buildings
- Installing structural steel and masonry walls for buildings
- Installing new water pipeline at the site
- Excavating 237-foot-deep raw water pipeline shaft at southeast corner of facility site
- Ongoing stormwater management and erosion control
- Lighting for safety and maintenance activities
- As needed street sweeping
Emergency access road activities include:
- Installing new water line in the access road
Raw water tunnel/pipeline site activities include:
- Excavating two 1,245-foot pipeline tunnels
- Ongoing stormwater management and erosion control
- Noise and vibration during work hours
Finished water pipeline site activities include:
- Delivering equipment and materials to the work areas
- Installing new water pipeline on the south shoulder of Dodge Park Boulevard
- Installing vaults and other pipe appurtenances in the Water Bureau's easement between Lusted Road and Dodge Park Boulevard
- Installing new water pipeline at the Oxbow Drive and Altman Road intersection
- Ongoing stormwater management and erosion control
- As needed street sweeping
Finished water intertie site activities include:
- Installing pipe supports inside the new facility
- Ongoing stormwater management and erosion control
Work schedules are subject to change depending on weather and other field conditions.
Upcoming traffic impacts
Please note that some planned traffic restrictions are pending county approval.
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Dodge Park Boulevard (between Altman Road and Cottrell Road) single-lane restriction with flagging during work hours—estimated mid-October 2026-December 2026
Bull Run Filtration: neighbor update meeting
The Water Bureau will host an online community meeting to update neighbors on the Bull Run Filtration Project.
Date: Thursday, October 8, 2026
Time: 6:00 p.m.
Where: Zoom (register here)
Can't make it this time? Join us for the in-person Coffee with the Contractor in November.
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Get construction text alerts
Sign up to receive text notifications about temporary lane closures and other construction traffic information related to the Bull Run Filtration project.
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The Bull Run Filtration Project will remove Cryptosporidium and other contaminants from the Bull Run water supply, producing cleaner, safer water for the roughly 840,000 people who use our water today and for future generations. The project is required by the federal Safe Drinking Water Act and must be in operation by September 30, 2029, through a Bilateral Compliance Agreement with the Oregon Health Authority.
To learn more, visit portland.gov/water/filtration.
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Know someone who would be interested in updates about the Bull Run Treatment Projects?
Please share the news!
The City of Portland is committed to providing meaningful access. To request translation, interpretation, modifications, accommodations, or other auxiliary aids or services, or to file a complaint of discrimination, contact 503-823-4000 (311), Relay Service & TTY: 711
Traducción e Interpretación | Biên Dịch và Thông Dịch | अनुवादन तथा व्याख्या
口笔译服务 | Устный и письменный перевод | Turjumaad iyo Fasiraad
Письмовий і усний переклад | Traducere și interpretariat | Chiaku me Awewen Kapas
Translation and Interpretation: 503-823-4000 (311), Relay: 711
This email was sent from an unmonitored inbox. Please do not reply. Instead, contact us at bullrunprojects@portlandoregon.gov.
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