Supplemental Draft EIS Available for Public Review

Supplemental Draft EIS Available for Public Review

USACE has prepared a Supplemental Draft Environmental Impact Statement (Supplemental Draft EIS) to the May 2025 Line 5 Tunnel Project Draft EIS as part of its review of Enbridge Energy, Limited Partnership’s (the Applicant’s) permit application. https://www.line5tunneleis.com/no-title/. The Supplemental Draft EIS considers the Horizontal Directional Drilling (HDD) Installation Alternative which was previously dismissed from detailed analysis in the May 2025 Line 5 Tunnel Project Draft EIS.  USACE is providing a public comment period on the Supplemental Draft EIS, ending on December 5, 2025: Comment Here