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Line 5: documents
Browse all pending and past permit application documents
Enbridge Energy, Line 5, Straits of Mackinac documents
Resource permit documents
- Draft Permit for Countersignature, January 29, 2021
- Project Review Report
- Resources Responsiveness Summary
Water discharge permit documents
- NPDES Permit MI0060278
- Final Responsiveness Summary
- Basis for Decision Memo
- FAQ: Tunnel Permit Decision
For more information
Additional documents related to Line 5
- Michigan Petroleum Pipeline Task Force Report - July 2015
- Michigan Pipeline Safety Advisory Board Report to Governor - December 20, 2018
- Tunnel Agreement (MSCA/Enbridge Energy)
- Line 5 Replacement and Tunnel Project: Geotechnical Data Report
- Letter Agreement Regarding Technical Specifications (Enbridge Energy/MSCA)
- Assignment of Easement Rights for Utility Tunnel (MSCA/Enbridge)
- Easement to Construct and Maintain Underground Utility Tunnel at the Straits of Mackinac (MDNR)
- Third Agreement Between the State of Michigan, MDEQ, and MDNR and Enbridge Energy
Find the latest updates on the Line 5 homepage
Information on the Line 5 tunnel project proposal by Enbridge, including overview, timelines, recent permit documents and decisions, and more.