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Who oversees Line 5?

Our Answer

Line 5 is owned and operated by Enbridge. The company works closely with a number of local, state and federal partners to ensure the line’s safety, transparency and accountability:

  • The U.S. Department of Transportation’s Pipeline Hazardous Materials Safety Administration (PHMSA)
  • The U.S. Army Corps of Engineers
  • The U.S. Environmental Protection Agency
  • The Michigan Public Service Commission (permits only)
  • The Michigan Department of Environment, Great Lakes & Energy (permits only)

In recent years, Enbridge worked directly with the Michigan governor and attorney general, and various other state entities, to make plans for the Great Lakes Tunnel and ensure its safe, timely completion.