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Puget Sound Energy natural gas pipeline project

Snohomish 8-inch natural gas project

Summer 2010 project completion
  • Puget Sound Energy completed construction of the Snohomish 8-inch natural gas project in summer 2010
Project overview

Due to anticipated growth, PSE has upgraded our natural gas system in Snohomish County to meet our customers' current and future needs. We replaced more than two miles of 4-inch natural gas pipeline with 8-inch pipeline between a point near the east end of the Pilchuck River Bridge and our Snohomish gate station, which is on the north side of State Route 2, east of Snohomish. PSE's natural gas system works as a large network; main line upgrades help stabilize the system in adjacent communities, as well as support reliability throughout our entire customer service area.


Download full-size map

Project Map

(3 MB PDF)

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How does natural gas get to my home or business?

Natural gas is a fossil fuel composed almost entirely of methane. Interstate pipelines transport natural gas to regional utility natural gas systems, where it is metered and delivered through a network of local mains, service lines and, ultimately, to customer homes and businesses. More than one-third of all Washington state households and businesses use natural gas.

Download the information

Download the PDF files for more detail on PSE's Snohomish County natural gas project.
Construction notice, Sept 2009 (71 KB PDF)
Project Map (3 MB PDF)