Environmental groups and tribal nations are asking the Michigan Supreme Court to put the brakes on a Canadian company’s plans to bury an oil and gas pipeline under the Straits of Mackinac, a waterway that connects Lake Michigan and Lake Huron.
The appeal filed Thursday asks the Supreme Court to reverse a decision by the Michigan Court of Appeals and a determination by the Michigan Public Service Commission to allow Enbridge to move ahead with the Great Lakes Tunnel project, which would encase the company’s Line 5 oil and gas pipeline. The plaintiffs claim the public service commission failed to perform a thorough review before giving its permission.
“These failures jeopardize the sanctity of the Great Lakes and the Tribal economic and cultural interests and treaty-protected rights, which are inherent rights, including ‘the usual privileges of occupancy’—such as the rights to fish, hunt, and gather, in perpetuity,” says the complaint. “They also threaten to harm everyone who depends on the Great Lakes for drinking water, recreation, or economic benefit because all likely effects of the proposed project, including oil spills, have not been considered.”
The tribes argue the commission’s review failed to fully consider the consequences of leaks or a spill in a waterway that could lead to widespread contamination of the Great Lakes.
“If you take a step back and you do that holistic review and analysis, I think people would understand that there are alternatives that could lead to a decommissioning of Line 5 and wouldn’t have to construct this one-off tunnel through the Straits of Mackinac,” said David Gover, a senior attorney with the Native American Rights Fund, which represents the Bay Mills Indian Community.
Gover told Michigan Public Radio the tunnel’s location also violates long-standing treaty rights and disrespects “a sacred place” for tribes.
“So, any proposed tunneling and running of a pipeline through that area is a desecration of that sacred place,” he said. “It would like be putting an oil and gas pipeline under the Vatican or through the Garden of Eden.”
Enbridge spokesperson Ryan Duffy said in a statement e-mailed to Michigan Public Radio that the Michigan Public Service Commission and the appeals court got it right.
“The February decision from the Michigan Court of Appeals correctly affirmed the comprehensive and detailed work of the Michigan Public Service Commission (MPSC) to approve the application for the Great Lakes Tunnel Project,” he said. “The Michigan Court of Appeals concluded that the MPSC appropriately examined the location of the Line 5 replacement segment within the Great Lakes Tunnel, consistent with Michigan law.”
He said the tunnel will make “what has always been a safe pipeline even safer.”
Enbridge faces other legal and procedural hurdles, including state and federal permits and other lawsuits. The protective tunnel was part of a agreement between Enbridge and the then-Governor Rick Snyder’s administration. That was following revelations of known gaps in the existing line’s protective coating and an anchor strike in 2018 that damaged the line.
Editor's note: Enbridge is among Michigan Public's corporate sponsors.