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Environmental Services

working for clean rivers

Phone: 503-823-7740

Fax: 503-823-6995

1120 SW 5th Avenue, Room 1000, Portland, OR 97204

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Fanno Basin Pressure Line Project

Updated May 8, 2017

This project is replacing 19 maintenance access structures in nine locations in the Garden Home area, as well as installing a pressure monitoring and recording system station off SW Railroad Street. These upgrades will ensure that the Fanno Basin Sewer System will continue to handle all wastewater flows year-round and provide better monitoring of the entire sewer system in the area. It will protect public health and the health of the Fanno Creek Watershed.

Trail  Access Update

The Fanno Creek Trail closure between SW 81st and 77th has been extended until May 22 due to groundwater and other conditions that continue to delay construction. When crews finish this portion, the sites will be covered in steel plates while the pressure line is tested for up to 30 days. The trail will close again at a later date for a shorter period to restore the trail after both lines are complete and have passed quality control inspections. 

The entire project is anticipated to be complete in August.

 trail closure map 

For More Information 

To receive email updates for this project, send an email to with “Fanno” in the subject line. Thank you for your cooperation during this project. Please let us know if you have concerns such as business operations, disability issues, or medical or business deliveries. As always, we strive to provide a quick response to your concerns, minimal disruption of your residence or commercial business, and open and honest communication with you throughout the project.

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