A six-year regulatory ordeal ended in success Thursday for Enbridge Inc. when Minnesota agencies awarded permits for a 340-mile leg across the state in its Line 3 oil export pipe replacement program.

Enbridge

“Clearly this is a big day for Line 3 in Minnesota,” said Enbridge Vice President Leo Golden. “These authorizations and approvals are an important step towards construction for this safety and maintenance focused replacement project.”

The Minnesota Pollution Control Agency (MPCA) granted water quality certification for stream and wetland crossings. The Minnesota Department of Natural Resources gave its final eight permits for other aspects of the state’s $2.6 billion share of the project.

The decisions followed a verdict Oct. 16 by MPCA Administrative Law Judge James...