US Edition
Line 5 Tunnel Decision Shifts to Michigan as Federal Review Ends
The U.S. Army Corps of Engineers began a 30-day public review after releasing the final Environmental Impact Statement for Enbridge's tunnel project beneath the Straits of Mackinac.
- On Feb. 6, the U.S. Army Corps of Engineers released the final EIS for Enbridge's Line 5 tunnel, initiating a 30-day review before a permit decision.
- The review followed a multiyear legal saga that began in 2018 and was expedited after President Donald Trump's day‑one order, including a tribal withdrawal on March 21, 2025, while evaluating four main scenarios.
- The EIS confirms the tunnel would cause permanent wetland loss, require excavation of roughly 665,000 cubic yards of bedrock, and replace the Straits segment carrying 22.68 million gallons daily and more than 500,000 barrels per day.
- Environmental groups including the Sierra Club and Oil and Water Don't Mix urged Gov. Gretchen Whitmer, Governor of Michigan, to block the project, while opponents stressed Michigan Department of Environment, Great Lakes and Energy permit and U.S. Supreme Court litigation remain unresolved.
- Longer term, observers note that Anishinaabe Tribal Nations warn the tunnel would bore through sacred sites, with impacts lasting generations and risking over 700 miles of shoreline to pollution, potentially causing $5.6 billion in damage.
24 Articles
24 Articles
Line 5 tunnel decision shifts to Michigan as federal review ends
LANSING, MI — The state of Michigan wants more detail from Enbridge about the impact its proposed oil pipeline tunnel may have on archeological sites and coastal wetlands as federal regulators clear a path to permit the long-delayed project under the Straits of Mackinac.
ictnews.org
Army Corps of Engineers releases final report on Line 5 tunnel leading up to permitting decision
The corps writes that its review of treaty rights is separate from its review of the project under the National Environmental Policy Act and that it is consulting on a government-to-government basis with federally recognized Tribes to determine if the tunnel project would infringe upon treaty rights
InsideNoVA.com
Great Lakes Tunnel project nears decision after final Army Corps review
(The Center Square) – The Great Lakes Tunnel Project is one step closer to making its way out of regulatory limbo following the release of the U.S. Army Corps of Engineers’ final Environmental Impact Statement.
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