Olympic Pipeline Leak Source Found: BP Identifies 20-inch Pipeline as Cause - Full Story (2026)

A fuel pipeline leak near Seattle caused a ripple effect, impacting fuel supplies and triggering states of emergency. It's a situation that highlights the delicate balance of our infrastructure. Investigators have pinpointed the source of the leak in the Olympic pipeline, a crucial artery for fuel delivery in the Pacific Northwest, two weeks after the initial report of a spill near an Everett, Washington, blueberry farm.

BP, the company managing the pipeline, confirmed the leak originated in a 20-inch pipeline, allowing them to restart the neighboring 16-inch pipeline. They're now working on repair plans for the damaged segment, with a timeline expected soon.

This news follows emergency declarations by Washington and Oregon governors, Bob Ferguson and Tina Kotek, respectively. The Olympic pipeline is a vital resource, delivering gasoline, diesel, jet fuel, and other petroleum products. It supplies a significant portion of transportation fuel to both states, including 90% of Oregon's transportation fuel and a large amount of jet fuel for the Seattle-Tacoma International Airport.

The leak was first reported on November 11th, between Everett and Snohomish, Washington. The state's ecology department identified the spill as a mix of gasoline, jet fuel, and diesel. BP initially shut down both pipelines to identify the source. The 16-inch pipeline was briefly restarted on November 16th but was shut down again after observing an increase in product in a collection point.

On November 19th, Washington declared a state of emergency, easing regulations to allow commercial vehicle operators to work longer hours to transport jet fuel to the airport. Oregon followed suit, issuing a similar emergency declaration. Major airlines operating through Seattle-Tacoma, including Alaska Airlines and Delta Air Lines, have developed contingency plans to prevent travel disruptions during the Thanksgiving holiday.

By Monday, BP had excavated over 200 feet of pipeline and, by Tuesday morning, found the leak's origin. Delta has since resumed its full Seattle hub schedule, and Alaska has discontinued planned fuel stops while continuing to bring in additional fuel.

But here's where it gets controversial... The Washington state ecology department has fined BP $3.8 million for a 2023 gasoline spill from the same pipeline. The Olympic pipeline has a history of leaks, with at least 13 incidents since 1999, including a major explosion near Bellingham that resulted in fatalities. According to the Pipeline Safety Trust, the pipeline has leaked three times in 2025.

"These incidents have caused over $100 million in property damage," stated Kenneth Clarkson, a spokesperson for the Pipeline Safety Trust.

And this is the part most people miss... The frequency of these leaks raises critical questions about the pipeline's safety and maintenance.

What are your thoughts? Do you think the current safety measures are sufficient, or should there be stricter regulations and more frequent inspections? Share your opinion in the comments below!

Olympic Pipeline Leak Source Found: BP Identifies 20-inch Pipeline as Cause - Full Story (2026)

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