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Line 5 Pipeline Tunnel Project

Sector: Water Supply and Storage • Location: Traverse City, Michigan, United States

Source: Planet Detroit

Project
Planned

Enbridge proposes to place the Line 5 pipeline in a tunnel under the Straits of Mackinac. The project involves construction activities that would discharge treated water and other effluents into the Great Lakes, subject to a draft National Pollutant Discharge Elimination System (NPDES) permit by Michigan regulators. The project is controversial due to environmental concerns including threats to dr

Status
Prospective
Sector
Water Supply and Storage, Tunnel
Location
Traverse City, Michigan, United States of America
Updated
22 Jul 2026
Source
Planet Detroit

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Project Information

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The project “Line 5 Pipeline Tunnel Project” is an infrastructure initiative in the Water Supply and Storage sector, located in Traverse City, Michigan, United States. Taiyo aggregates data on it from Planet Detroit.

Participants

Not available for this record.

Status

Original status

planned

Taiyo status

Prospective

Taiyo last update

2026-07-22

Contact

Not available for this record.

Description

Description

Enbridge proposes to place the Line 5 pipeline in a tunnel under the Straits of Mackinac. The project involves construction activities that would discharge treated water and other effluents into the Great Lakes, subject to a draft National Pollutant Discharge Elimination System (NPDES) permit by Michigan regulators. The project is controversial due to environmental concerns including threats to drinking water, fish populations, wetlands, and climate impact.

Original sector

Energy

Location

Country

United States of America (USA)

State

Michigan

City

Traverse City

Source

Source

Planet Detroit

URL

More Details

Record type

Project

Sector

Water Supply and Storage, Tunnel

Article published date

2026-05-24

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