Milwaukee, WI, August 31, 2026 — Enbridge has temporarily stopped construction activities on its Line 5 pipeline reroute in Iron County, Wisconsin. The pause follows a significant leak of natural gas liquids that occurred after a truck reportedly struck the pipeline within an active excavation site.

The incident led to an estimated 1.3 million gallons of natural gas liquids escaping and vaporizing into the atmosphere. Authorities responded to the scene, and the event prompted localized evacuations in the vicinity of the leak and resulted in power outages for residents in the affected area. The full extent of environmental impact and the duration of the construction halt were not immediately specified.

Further details regarding the specific timeline of the incident, the condition of the pipeline, and the immediate response protocols were not provided in the initial reports. The contractor responsible for the excavation and the precise nature of the truck’s involvement are also areas where information has not yet been made public. Enbridge’s Line 5 pipeline project involves rerouting existing infrastructure. The company has not yet released a statement on the cause of the incident or its next steps for the construction pause and repairs.

The consequences of the leak, including any potential long-term environmental or safety measures, are expected to be assessed. Information regarding the permit status for the excavation site, any inspection outcomes prior to the incident, or the status of code violations and potential fines related to the incident has not been disclosed.

The immediate focus for Enbridge and local authorities is likely on containment, environmental assessment, and ensuring the safety of the surrounding community. The status of the pipeline reroute project remains on hold pending further investigation and resolution of the leak.


Story summarized from the original created by Danielle Kaeding, Wisconsin Public Radio on urbanmilwaukee.com, see more information here.

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