Straits of Mackinac

The damaged pipeline released more than a million gallons of natural gas liquids, mainly propane and butane. The repair work has taken longer than expected.

The U.S. Army Corps of Engineers has approved a permit for Enbridge to build a tunnel under the Straits of Mackinac, to house a section of pipeline to replace the current Line 5 twin pipelines that are lying on the lakebed. It's a notable step in the process of building the controversial tunnel.

In a 6-1 ruling Friday, the Michigan Supreme Court’s found the tunnel's approval should have consider factors like alternatives to the project and harm to Michigan’s “public trust resources.”

Enbridge sought to stop the state from trying any further to shut down the pipeline, which in Wisconsin, runs through the Upper Peninsula, the Straits of Mackinac, and Lower Peninsula, before ending in Ontario, Canada.

The National Wildlife Federation says Michigan's environment department should fully review what damage drilling the tunnel for a new pipeline segment might cause.

The U.S. Army Corps of Engineers is holding the last virtual public meeting regarding its Environmental Impact Statement on the proposed Line 5 tunnel under the Straits of Mackinac.

Environmental groups concerned about drilling a tunnel under the Straits of Mackinac want Governor Gretchen Whitmer and the Department of Environment, Great Lakes, and Energy, EGLE, to deny a Water Resources Permit that would allow the project to go forward.

Experts and advocates with Oil and Water Don’t Mix said they don’t trust the federal government to properly vet Enbridge’s Great Lakes Tunnel Project.

A group of tribal nations and environmental organizations say Enbridge’s plan to encase the oil and gas pipeline in a tunnel doesn’t remove the threat to the Great Lakes.

Tribes and environmental groups are challenging the Michigan Public Service Commission's decision to grant a permit to tunnel under the Straits of Mackinac for Line 5.