Enbridge to continue Line 5 operations past Governor Whitmer's shutdown orders The company was given a May 12 deadline by the state to halt all operations. and last updated 2021-05-12 22:24:58-04 LANSING, Mich. â In November, Governor Whitmer announced that she would shut down Canadian-based Enbridge's Line 5 pipeline, citing environmental concerns that the pipeline's infrastructure was outdated and at risk for an oil spill in the Great Lakes. The deadline she set was 180 days from the announcement on May 12. At midnight on Wednesday, Enbridge will be officially past the deadline. The pipeline company says that it does not plan to shut down operations unless a court or regulator instructs it do so. A spokesperson for Enbridge says the company believes the state does not have the power to stop operations and considers it a federal matter.