Line 5 Wisconsin Segment Relocation Project

Line 5 is a vital link to propane and other energy supplies for the upper Midwest, and has been safely operating across northern Wisconsin since 1953. Every day, this 645-mile-long, 30-inch diameter pipeline plays a critical role transporting 540,000 barrels of light crude oil, light synthetic crude oil, and natural gas liquids to a regional network for this area.


In July 2019, the Bad River Band of Lake Superior Chippewa Indians filed a lawsuit seeking the removal of Line 5 from the Bad River Reservation. Enbridge is proposing a relocation of a 12-mile section of Line 5 from the Bad River Reservation, replacing it with approximately 41 miles of pipe outside of the Reservation.

Tribal engagement
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Line 5 in Wisconsin: Consider the alternative
The Line 5 underground pipeline was built in 1953 to remove oil-carrying tanker traffic from the Great Lakes, and avoid oil transportation by truck and rail. We’ve been safely operating Line 5 for more than 65 years.

Consider the alternative. If we were to transport the same amount of product by tanker truck, an estimated 2,100 trucks would need to travel east every day on US-2 from Superior to transport products currently carried by Line 5.

Project information
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‘No good alternatives to a pipeline’

That’s what Superior, WI business leader Todd says about Line 5. Moving product by truck or rail “is just going to mean higher prices and higher costs . . . a pipeline is the safest, most economical way to transport these energy fuels.”

Regulatory information
Project permit applications: Wisconsin Department of Natural Resources (DNR)

Several permitting agencies review the project. Construction will not begin until permits are received, and Enbridge encourages public participation in the process.

The construction process
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1 GHG emissions included within our targets are from assets over which we have operational control (Scope 1 and Scope 2 emissions). Projected reductions of GHG emissions intensity and absolute emissions is relative to the 2018 baseline year. For more information, see our 2023 Sustainability Report.
2 This metric aggregates emissions and throughput for each business unit on the basis of tonnes of carbon dioxide equivalent per energy delivered in petajoules (“PJ”).
3 Absolute emissions.