Story perspectives

Supreme Court Denies Enbridge's Bid to Federalize Line 5 Lawsuit

4/23/2026

Summary

Story summary

U.S. Supreme Court unanimously rejected Enbridge Inc.’s request to move the Line 5 lawsuit to federal court.
Justice Sonia Sotomayor noted Enbridge waited 887 days, far beyond the 30-day deadline.
The suit challenges a 4.5-mile underwater segment of Line 5 that moves about 540,000 barrels daily.
Enbridge seeks a protective tunnel approved by the state in 2023, but federal clearance remains unresolved.

History

Historical Context

The National Environmental Policy Act (NEPA), enacted in 1970, established a framework for environmental assessments in the U.S. Enbridge's Line 5 pipeline, operational since 1953 and transporting 540,000 barrels of oil daily, has faced legal challenges regarding its environmental impact. Recent Supreme Court rulings highlight ongoing tensions between state and federal jurisdictions, potentially influencing future infrastructure and environmental regulation cases.

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Story summary

U.S. Supreme Court unanimously rejected Enbridge Inc.’s request to move the Line 5 lawsuit to federal court.
Justice Sonia Sotomayor noted Enbridge waited 887 days, far beyond the 30-day deadline.
The suit challenges a 4.5-mile underwater segment of Line 5 that moves about 540,000 barrels daily.
Enbridge seeks a protective tunnel approved by the state in 2023, but federal clearance remains unresolved.

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