Gulf South Pipeline Company, LLC Submits Responses to Environmental Conditions for Index 130 MS River Replacement Project

Gulf South Pipeline Company, LLC has submitted responses to environmental conditions for the Index 130 MS River Replacement Project to the Federal Energy Regulatory Commission. The project involves constructing and operating a 3.19-mile replacement pipeline along the Mississippi River. Gulf South has requested authorization to commence construction in July 2025 and has provided responses to environmental conditions, including implementation plans and variances, in accordance with the November 18, 2022, order issued by the Commission.

Key Takeaways:

• The Index 130 MS River Replacement Project involves constructing and operating a 3.19-mile replacement pipeline along the Mississippi River.
• Gulf South has requested authorization to commence construction in July 2025, with a proposed start date of July 2025.
• The project will involve abandoning approximately 3.19 miles of the existing Header System, installing dual 30-inch-diameter pipelines via horizontal directional drill, and reconfiguring its tie-in for an existing Gulf South pipeline.
• Gulf South has provided responses to environmental conditions, including implementation plans and variances, in accordance with the November 18, 2022, order issued by the Commission.
• The company has conducted environmental studies, including an updated Information for Planning and Consultation ("IPaC") System list for the tricolored bat, alligator snapping turtle, and monarch butterfly.
• Gulf South has obtained landowner approval for minor workspace modifications for the Project facilities and has requested Director Approval for these modifications.
• The project will adhere to all permit conditions and will only be able to undertake work during the summers due to seasonal river construction restrictions.

Statistics:

• The Index 130 MS River Replacement Project will involve constructing and operating a 3.19-mile replacement pipeline.
• The project will include abandoning approximately 3.19 miles of the existing Header System in-place and 1.79 miles of 20-inch-diameter pipeline by removal.
• The company will install dual 1.09 miles of 30-inch-diameter dual pipelines via horizontal directional drill to reconnect to the existing Index 130 and Index 130L mainlines.
• The project will reconfigure its tie-in for an existing Gulf South pipeline, the Index 804 lateral, located on the east bank of the Mississippi River.
• Gulf South has obtained landowner approval for minor workspace modifications for the Project facilities.

Sources:

• "Index 130 MS River Replacement Project" Document submitted to the Federal Energy Regulatory Commission on May 29, 2025, by Gulf South Pipeline Company, LLC.
• November 18 Order, issued by the Federal Energy Regulatory Commission, 2022.