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NE 6th Drive Pump Station Project

Sewer and Stormwater
Environmental Services is constructing a project to expand and remodel the 44-year-old NE 6th Drive Pump Station in the East Columbia neighborhood. The upgrades will modernize equipment, increase system capacity, and protect public health and the environment.
The project is starting construction and will take about two years to complete.
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Project Area

The pump station is located on NE 6th Drive between N Vancouver Way and NE Middlefield Road.  

NE 6th Drive Pump Station
NE 6th Drive Pump Station Project map

What’s Happening Now? 

The City has issued an interim noise control rule allowing contractors to begin work at 6:00 a.m. on days when temperatures are predicted to exceed 85 degrees by 3:00 p.m. 

All work is weather-dependent and subject to change. 

Rest of the Week:

  • Crews will temporarily stop construction week of July 8.

Week of July 15 and 22: 

Construction takes place during the work hours of 6 a.m. and 2:30 p.m., Monday through Friday: 

  • Complete demolition of the pump station structure.
  • Finish cleaning wet and dry wells to prepare for slurry storage.
  • City’s subcontractor to install crack gauge monitors in the surrounding area. Once finished, crews will prepare site for deep shore excavation.

Crack gauging - It is a tool used to check for cracks in things made of concrete, like walls and foundations. They are used to assess structures’ stability and identify any potential problems like cracks before they lead to severe damage or failure. A crack gauge is a tool with markings which helps in measuring how long, wide, and deep a crack is. 

Extreme Weather

When high temperatures, extreme heat, near freezing temperatures, or extreme cold are in the weather forecast, crews may adjust schedules to protect workers from the dangers of heat stress and cold stress. When working in extreme weather environments, all City workers, contractors, and subcontractors must follow Oregon’s OSHA (Occupational Safety and Health Administration) mandates and Environmental Services’ Heat Illness Safety and Health Plan and its Cold Stress Safety and Health Plan. You may see crews taking more frequent water and rest breaks, stopping work at noon, and taking other protective measures during extreme weather.

Different Method to be Proposed

Engineers are working with the construction contractor to propose and evaluate the best method to install the deep piles. A key goal of this project is to improve the pump station’s resiliency to earthquake damage.  Deep supports or “piles” driven into the deep gravels are the most effective way to provide this earthquake resiliency. This is the method that the City of Portland has proposed, but the contractor will be proposing a less invasive method of installing the piles.

Project Background 

The NE 6th Drive Pump Station has not had mechanical, electrical, or control system upgrades since its original construction in 1977. The upgrade will include designing and constructing modern equipment and controls that meet current and future demand on the public sewer system.  

Key upgrades at the pump station location include:  

  • Expansion of the current pump station footprint 
  • Improve the earthquake resiliency
  • Upgrade of the sewage pumps to support higher sewage and stormwater input 
  • Upgrade of the wet well, which receives sewage from the neighborhood 
  • Upgrade of the odor control system 
  • Addition of a concrete enclosure for the electrical equipment and an ADA-compliant restroom 

We Want to Hear from You 

Environmental Services will inform businesses and residents about project activities and respond to questions and concerns in a timely manner. Please let us know if you have concerns such as business operations, local access, delivery routes and schedules, or other concerns. 

Sign Up for Updates 

Sign up for updates on the NE 6th Drive Pump Station Upgrade

This project will help protect the health of the Columbia Slough Watershed.


Debbie Caselton (she/her)

Community Outreach