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City of Portland, OR

10/18/2025 | Press release | Distributed by Public on 10/18/2025 20:44

Advisory: Potential Sewage Release to Woods Creek in Southwest Portland

Press Release
On Saturday, October 18, City crews responded to a potential sewage release on SW 59th Avenue in Southwest Portland. The potential sewage release is impacting Woods Creek, a tributary to Fanno Creek. As a precaution, the public is advised to avoid Woods Creek and Fanno Creek west of SW 50th Avenue.
Published
October 18, 2025 6:08 pm

On Saturday afternoon, crews responded to a report of a possible sewage release flowing into Woods Creek. The suspected cause of the potential release is fallen trees, but it is still under investigation.

As a precaution, the public is advised to avoid contact with the Woods Creek and Fanno Creek west of the SW 59th Avenue due to the possibility of increased bacteria in the water. Warning signs have been posted, and the public is advised to follow all posted signs in the area.

This advisory will be updated once additional information becomes available.

Help prevent sewage releases

Environmental Services reminds the public that most sewage releases are preventable. The most common causes of sewage overflows are pipes clogged with household debris, such as cooking grease that is sent down kitchen drains or wet wipes that are flushed. Both belong in the trash, not down the drain. Tree roots are another common cause. Environmental Services advises the public to followthese tips to prevent clogs and overflows in homes and businesses and to prevent sewage releases:

  • Only flush human waste and toilet paper (wet wipes are NOT flushable).
  • Never pour grease down drains: Collect grease, oil, and fat in a can and then into the garbage. Grease that is liquid when poured down drains will become solid once in pipes.
  • Don't put anything down storm drains, which are intended for rainfall only. 

If you experience or see a sewer overflow, contact the City's hotline at any hour of the day at 503-823-1700.  

About Environmental Services

Environmental Services - the City of Portland's sewer and stormwater utility - protects public health and the environment by collecting and recovering resources from the city's wastewater, managing stormwater, and restoring and protecting Portland's rivers, streams, and watersheds.

City of Portland, OR published this content on October 18, 2025, and is solely responsible for the information contained herein. Distributed via Public Technologies (PUBT), unedited and unaltered, on October 19, 2025 at 02:44 UTC. If you believe the information included in the content is inaccurate or outdated and requires editing or removal, please contact us at [email protected]