Baymark Ethylene Pipeline

From Global Energy Monitor
This article is part of the Global Fossil Infrastructure Tracker, a project of Global Energy Monitor.

Baymark Ethylene Pipeline is an operating NGL (natural gas liquids) pipeline in Texas, United States.


The pipeline originates in the Bayport area of southeast Harris County, Texas and extends approximately 90 miles to Markham, Matagorda County, Texas, United States.

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Project details

  • Operator: Enterprise Products Partners[1]
  • Owner: Baymark Pipeline LLC[2]
  • Parent company: Enterprise Products Partners; Formosa Plastics Corp (via Lavaca Pipe Line Company)[1]
  • Capacity:
  • Length: 91 miles
  • Diameter: 12 inches
  • Status: Operating
  • Start year:
  • Cost:
  • Financing:
  • Associated infrastructure:


The pipeline was originally estimated to be in service during Q4 2020, and construction was ultimately completed in October 2021.[1]

The project is a joint venture between Enterprise Products Partners and Lavaca Pipe Line Company, a subsidiary of Formosa Plastics Corp. Enterprise is the majority owner, operator and manager of the pipeline.[1][3]

The pipeline should provide access to a high-capacity ethylene storage well Enterprise is repurposing at its Mont Belvieu complex, as well as connectivity to the ethylene export terminal at Morgan’s Point.[1]

Articles and resources


  1. 1.0 1.1 1.2 1.3 1.4 Commissioned, PGJ Online, accessed 2022-04-19.
  2. Local pipeline tarriff, Enterprise Products Partners, accessed 2022-04-19.
  3. EPP, Lavaca to build Baymark Ethylene Pipeline, Oil & Gas Journal, accessed 2021-04-19.

Related articles

External resources

External articles