Southeast Supply Enhancement (Transco/Williams)

DEQ will update this page with permitting activity, information on public comment period and hearings and any news releases related to the Southeast Supply Enhancement (Transco/Williams) project.

Land Quality (DEMLR) Permitting

Division of Energy, Mineral, and Land Resources reviews applications for erosion and sediment control plan approval and construction stormwater (NCG01) permits for land disturbance.

More information will be added here as it is available.

Water Quality Permitting

The Division of Water Resources reviews applications for 401 certifications for projects impacting streams and stream buffers.

More information will be added here as it is available.

Air Quality Permitting

The Division of Air Quality (DAQ) currently permits three compressor stations in North Carolina associated with this pipeline: Station 150, Station 155, and Station 160. The Southeast Supply Enhancement Project will involve upgrades at Station 150 and Station 155 that will involve modifications to the air quality permits at those sites. No revisions to Station 160 are anticipated. 

DAQ received applications to modify the air quality permits at stations 150 and 155 on April 22, 2025. Both applications are currently under review by the Division. Details about public comment procedures will be announced after this review is complete. 

Information about each station is below. 

Transcontinental Gas Pipe Line Company, LLC - Station 150

Transcontinental Gas Pipe Line Company, LLC - Station 155

Transcontinental Gas Pipe Line Company, LLC - Station 160

  • Address: 4300 NC Highway 65, Reidsville, Rockingham County
  • DAQ Facility ID: 7900131
  • Link: Permit File
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