Enbridge has proposed tunneling under the Straits of Mackinac for twin pipelines carrying light crude oil and natural gas liquids. They would replace the current Line 5 pipelines that run along floor of the Great Lakes.
Enbridge said the tunnel could be built, and the pipelines operated, with extremely little risk. The company said a spill within the tunnel would occur once in 663,000 years and, the risk of having it ignite would be once every 169 million years,
Experts for the Bay Mills Indian Community strongly disagree. Their testimony was recently posted online, raising important questions about the project’s risk.
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