How we distribute natural gas safely and reliably.

NW Natural's pipelines run through 14,000 miles of the Pacific Northwest, and deliver natural gas to over 785,000 homes and businesses. With one of the most modern pipeline systems in the nation, safety is always our top priority as we ensure natural gas is there for you whenever you need it.

NW Natural System Integrity Program

We hold ourselves to the highest standards of design, construction, inspection, maintenance and repair, and developed a System Integrity Program in support of this commitment. Here's what we've accomplished:

  • Replaced all cast iron and bare steel pipes with modern coated steel and polyethylene to improve pipeline reliability and reduce corrosion.
  • Exceeded federal inspection regulations.
  • Reduced damages caused by dig-ins through a prevention program.
  • Increased effectiveness of our quality assurance program.
  • Invested in technology that tracks changes in the system for early detection.

NW Natural Pipeline Integrity Management Program

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