The U.S. Environmental Protection Agency (EPA) and the Department of Justice announced a settlement with Enbridge Energy LP and several related Enbridge companies to resolve claims stemming from two separate oil spills in Marshall, MI and Romeoville, IL, in 2010. Enbridge agreed to spend at least $110 million on measures to prevent spills and improve operations across nearly 2,000 miles of its pipeline system in the Great Lakes area, and to pay $62 million in civil penalties for Clean Water Act violations, the agencies said. Enbridge will also pay more than $5.4 million in unreimbursed costs incurred by the government in connection with cleanup of the Marshall spill, as well as all future removal costs incurred by the government in connection with the spill. In addition to payments required under the proposed settlement, Enbridge has already reimbursed the government for $57.8 million in cleanup costs from the Marshall spill and $650,000 for cleanup costs from the Romeoville spill, and reportedly incurred costs in excess of $1 billion for required cleanup activities relating to the spills, the agencies said. Enbridge was held responsible for the discharge of at least 20,082 bbls of oil in Marshall and another 6,427 bbls in Romeoville. In 2012, the National Transportation Safety Board said the 30-inch diameter pipeline rupture and spill in the Kalamazoo River in Marshall was the most expensive onshore oil spill in U.S. history (see Daily GPI, July 16, 2012).
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