Chandeleur Gas Pipeline

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This article is part of the Global Fossil Infrastructure Tracker, a project of Global Energy Monitor and the Center for Media and Democracy.

Chandeleur Gas Pipeline System is a natural gas pipeline that runs from the Gulf of Mexico to Pascagoula, Mississippi.[1]


The pipeline runs from the Gulf of Mexico, from offshore Louisiana to Mississippi, and a second line from offshore Alabama, to Pascagoula, Mississippi.

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Project Details

  • Operator: Enlink Midstream
  • Current capacity: 330 Million cubic feet per day
  • Proposed capacity: Million cubic feet per day
  • Length: 215 miles / 346 km
  • Status: Operating
  • Start Year: 1964


The Chandeleur gas pipeline went into operation in 1964, and was expanded in 1968, 1985, and 1999.[2][3] The pipeline was built and operated by Chevron until being sold to Enlink Mainstream in 2014 as part of a $235 million deal that included the Chandeleur pipeline as well as the Bridgeline Pipeline system and the Henry Natural Gas Hub.[4]

Environmental Risks

According to a 1995 environmental impact statement, spills that occur near the Chandeleur Islands in the Gulf of Mexico have the potential to damage seagrass beds and result in seagrass die-off.[5] “Another effect of the occurrence of spills in Mississippi Sound is possible contacts with wetlands or barrier islands within the Gulf National Seashore. These wetlands occur within embayments and ponds that connect with Mississippi Sound. Becase of their natural history, these areas are considered areas of special importance; and they support endangered and threatened species.”[5]

A barge pierced the pipeline on January 9, 2004, resulting in it losing a substantial portion of its line pack, or pressure in the line.[2]

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