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Months after a court decision threw its future into question, the Line 3 pipeline replacement project is moving closer to regaining the permits it needs to begin construction.

The Minnesota Public Utilities Commission voted 3 to 1 Monday on three key approvals for the project: 

review, a certificate of need and a route permit.  

The PUC originally voted to approve the controversial oil pipeline project in June 2018. Calgary-based Enbridge Energy is proposing to build the new line, which would replace an aging crude oil pipeline that stretches across northern Minnesota. The new line would be built along a different route, and would have the capacity to transport about twice as much oil as the current pipeline is allowed to carry. 

But last summer, the Minnesota Court of Appeals 

rejected an environmental study that was originally prepared

 for the project because it failed to assess the impacts of a hypothetical oil spill in the Lake Superior basin. 

An MPR News podcast

The Line 3 debate

The Minnesota Department of Commerce revised that study, known as an environmental impact statement, to include an analysis of a potential spill into Little Otter Creek. The creek flows into the St. Louis River, which forms the headwaters of Lake Superior. 

“I myself found the analysis sufficient to meet the adequacy standard under Minnesota rule,” PUC chair Katie Sieben said Monday. 

Sieben said the modeling of the Little Otter Creek site was done using similar considerations to other sites that were modeled for potential spills in the original environmental impact statement. She said the analysis included potential impacts on the St. Louis River estuary and Lake Superior, and adequately looked at impacts of a spill on the environment. 

Matt Schuerger was the only commissioner to reject the revised environmental study — and the only commissioner to vote against the project’s certificate of need and route permit. 

He said he agreed with several pipeline opponents — including the groups Honor the Earth and Friends of the Headwaters — that the selection of Little Otter Creek as a spot to model a potential spill did not adequately represent the risks of a potential spill to the St. Louis River estuary, the Duluth-Superior harbor and Lake Superior. 

He also said the revised environmental review failed to consider the current scientific understanding of climate change, and how the increased severity of rainstorms could impact spills in the Lake Superior watershed. 

“Minnesota’s declared environmental policy is to create and maintain conditions under which humans and nature can exist in productive harmony,” Schuerger said. The environmental study “does not yet do that in my viewpoint.” 

Paul Blackburn, an attorney representing Honor the Earth and the Sierra Club in the case, suggested that the groups he represents — and others — will again challenge the environmental statement at the Minnesota Court of Appeals if the PUC fails to broaden its analysis of the impacts of a potential spill on Lake Superior. 

“We want that analysis,” he said. “If you don’t give it to us, we’re going to push for it every way we can.”

The commission heard arguments Monday afternoon from the parties in the case, including Enbridge, about each of the three approvals it considered. Now that the PUC has again granted all three approvals, groups fighting the pipeline are again expected to file legal challenges. 

Enbridge now needs to secure permits from additional state and federal regulators before it can begin construction. 

The company has said it hopes to begin work on the project this year.

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Oil and water: The Line 3 debate

Dan Kraker

Author

Months after a court decision threw its future into question, the Line 3 pipeline replacement project is moving closer to regaining the permits it needs to begin construction. 

Minnesota utility regulators give key approvals to Line 3 pipeline project

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