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Building inclusive, safe and livable neighborhoods and communities.

ONI Main: 503-823-4519

City/County Info: 503-823-4000

TDD: 503-823-6868

1221 SW 4th Ave, Suite 110, Portland, OR 97204

Humboldt Sewer Repair Project Update: March 16, 2017

Humboldt Sewer Repair Project Update: March 16, 2017

Environmental Services continues a project to repair or replace 17,000 feet (more than 3 miles) of public sewer pipes in the Humboldt neighborhood that are on average 85 years old and in deteriorating condition. This project will protect public health and our environment by reducing the possibility of sewage releases to homes, businesses and streets.


Next Monday, March 20, crews are scheduled to resume sewer pipe installation on North Maryland Avenue between North Ainsworth and Jarrett streets.

  • A second crew will continue to repair manholes in multiple locations throughout the project area.
  • Please drive or bike with caution when passing these work zones and follow the directions of flaggers if present.

Sewer pipe installation on North Colfax Street and North Concord Avenue is complete.

  • The next phase is to restore trenches used during sewer construction with concrete.
  • This involves removing temporary asphalt currently patching trenches, preparing the trenches for restoration, pouring the wet concrete into the trenches, and allowing the concrete to cure for about seven days while it hardens to a strength that’s safe for cars and trucks to drive on.
  • Recent weather has delayed concrete street restoration. This work is expected to be scheduled as soon as weather and subcontractor availability allow.


The map posted at shows the anticipated construction locations for rest of March and April, 2017. Please be aware that construction schedules are subject to change due to underground conditions, weather, traffic impacts, subcontractor schedules and availability of materials.


Visit the project web page at

or contact Matt Gough at 503-823-5352 or

Thank you for your cooperation during this project. Please let us know if you have questions or concerns such as effects on business operations, medical or business deliveries, the need for help with access for people with disabilities, or other concerns. We appreciate your communication and want to hear from you.



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Matt Gough

Community Outreach

City of Portland Environmental Services

1120 SW 5th Ave, Room 1000

Portland, Oregon 97204

Phone: 503-823-5352 l Cell Phone: 503-823-6622


Working for clean rivers

Over one-third of Portland’s 2,500 miles of sewer pipes are more than 80 years old. Projects to replace or repair aging sewers are important for protecting water quality, public health and the environment. Learn more at

The City of Portland complies with all non-discrimination laws including Title VI (Civil Rights) and Title II (ADA). To request a translation, accommodation or additional information, please call 503-823-7740, or use City TTY 503-823-6868, or Oregon Relay Service: 711