FracTracker Alliance submitted a formal comment to PHMSA opposing the reconsideration of regulations that would allow liquefied natural gas (LNG) to be transported by rail (Docket No. PHMSA-2025-0050). The comment stresses that LNG-by-rail presents irreducible public safety risks.
© FracTracker Alliance
Overview
Southeast Supply Enhancement Project
FracTracker Alliance respectfully submits the following comments in firm opposition to the proposed Southeast Supply Enhancement Project (SSEP) and its associated Section 404 permit application, currently under review by the Norfolk and Wilmington Districts of the U.S. Army Corps of Engineers. FracTracker is a nonprofit research organization dedicated to mapping, analyzing, and communicating the risks of fossil fuel infrastructure and its intersection with environmental impacts, public health, and climate resilience.
This pipeline expansion, spearheaded by Transcontinental Gas Pipe Line Company, LLC (Transco), poses significant risks to water quality, public health, climate, and procedural fairness—risks that are neither adequately disclosed nor mitigated in the current application. FracTracker’s digitized SSEP pipeline route map [1] has been viewed more than 80,000 times on ArcGIS, demonstrating widespread public interest and concern over SSEP. Our key concerns are as follows:
Scale of Infrastructure and Compressor Station Expansion
In addition to 55.3 miles of new, 42-inch diameter high-pressure methane gas pipeline across Virginia and North Carolina, would likely result in the expansion of multiple compressor stations across four states. Compressor stations are one of the most pollution-intensive components of gas infrastructure, emitting Nitrogen oxides (NOx), volatile organic compounds (VOCs), hazardous air pollutants like formaldehyde and benzene, and methane, a potent greenhouse gas, through venting and leaks. These emissions are often under-regulated, and nearby residents frequently report increased rates of asthma, headaches, fatigue, and nosebleeds.
Land and Wetland Impacts
The permit, as currently detailed, would authorize discharge of dredged/fill material into over 2.17 acres of stream channels, 21.8 acres of wetlands, 2.42 acres of permanent forested/scrub‐shrub wetland conversion. Over 1,500 acres would be impacted, including wetlands and more than 100 waterbodies in 16 watersheds, with disproportionate impacts to communities in Iredell and Davidson Counties, North Carolina that are already facing some of the worst air pollution in the state. [3]
Lack of Cumulative Impact Analysis
Siting the SSEP adjacent to the proposed Mountain Valley Pipeline Southgate extension without any cumulative impact assessment contradicts the intent of NEPA for holistic environmental review and undermines public transparency, especially given overlapping routes and potential co‐located emissions sources.
Insufficient Public Engagement and Procedural Flaws
The comment period is too short to allow meaningful public participation, particularly in light of the project’s size and complexity. Multiple agencies—including the Virginia Marine Resources Commission and North Carolina DEQ—are still reviewing the application’s completeness.
Inappropriate Use of Environmental Assessment in Lieu of EIS
The federal Environmental Assessment (EA) process is similarly premature and insufficient for a project of this scale and potential impact. An EA offers only a limited review and does not require a robust analysis of alternatives or cumulative risks—despite SSEP’s overlapping footprint with other major pipelines and its disproportionate effect on environmental justice communities. A full Environmental Impact Statement (EIS), with comprehensive public input and a detailed review of long-term impacts, is the most appropriate path forward.
The project also lacks demonstrated public need. Independent research by the Institute for Energy Economics and Financial Analysis and London Economics International has shown that gas infrastructure expansions like SSEP are being driven by speculative demand—driven by speculative demand—particularly from emerging energy-intensive sectors like AI data centers—rather than clear evidence of regional energy shortfalls. [4,5] Communities across the Southeast are being asked to shoulder long-term environmental and health costs to meet short-term market speculation.
Local Opposition from Elected Officials
We join local elected leaders in formally opposing the project. The Guilford County Board of Commissioners unanimously (9–0) passed a resolution urging thorough safety and environmental review of SSEP, and the Midway Town Council was the first municipality to oppose it, with a 4–1 vote citing concerns over safety and impacts to land and water. [6,7] These communities deserve a public hearing—not only to ensure procedural transparency, but to create a record of the lived experiences and environmental burdens residents are already navigating.
Fractracker Alliance Urges The U.S. Army Corps To:
- Deny the Clean Water Act Section 404 permit for the Southeast Supply Enhancement Project.
- Require a full Environmental Impact Statement (EIS) in coordination with FERC and state agencies, to thoroughly assess the project’s cumulative impacts.
- Extend the public comment period to at least 60 days to allow for genuine public participation.
- Hold public hearings in directly impacted communities.
Notes
- FracTracker Alliance, Southeast Supply Enhancement Project Route Map, ArcGIS Web App (ArcGIS Online), viewed July 2025,
https://ft.maps.arcgis.com/apps/webappviewer/index.html?appid=cba2acecab2f4a4c86a6396da46b299e&extent=-8958452.5401%2C42894
53.1975%2C-8730058.6996%2C4425358.2338%2C102100. - Concerned Health Professionals of New York, The Compendium on Health Risks and Fracking: A Collection of Peer‐Reviewed Studies, Healthy Policy Project, October 2023,
https://concernedhealthny.org/wp-content/uploads/2023/10/CHPNY-Fracking-Science-Compendium-9.pdf. - Sierra Club, Overburdened & Overlooked: A Report on the Disproportionate Environmental Burdens Facing America’s Communities, Spring 2025, https://www.sierraclub.org/sites/default/files/2025-03/overburdenedoverlooked_spring2025.pdf
- IEEFA. Data Centers Drive Buildout of Gas Power Plants and Pipelines in the Southeast, January 29, 2025,
https://ieefa.org/articles/data-centers-drive-buildout-gas-power-plants-and-pipelines-southeast—highlighting more than 20 GW of planned gas capacity and 3,300 MMcf/day of new pipeline volume in VA, NC, SC, and GA, largely driven by speculative data center demand, with risks that costs fall to ratepayers if growth falls short - London Economics International LLC, Uncertainty and Upward Bias Are Inherent in Data Center Electricity Demand Projections (for SELC), July7,2025, https://www.selc.org/wp-content/uploads/2025/07/LEI-Data-Center-Final-Report-07072025-2.pdf—finding that projected U.S. data center load would require 90% of global chip supply by 2030, indicating implausible and inflated forecasts
- Haw River Assembly, Guilford County Board of Commissioners Passed a Resolution on SSEP 9-0. June 6, 2025. https://www.hawriver.org/news/guilford-county-board-of-commissioners-passed-a-resolution-on-ssep-9-0
- Town of Midway, Opposition to the Proposed Southeast Supply Enhancement Project. March 25, 2025. https://drive.google.com/file/d/1m5Th-C4uAs4U8C6Cm2FMc4khJPAWWCxc/view
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