The system provides ethane transportation capacity from multiple third-party fractionation and storage facilities in Mont Belvieu to NOVA Chemicals’ Geismar Petrochemical facility in Louisiana.

operational details

  • Miles of Pipe
  • 24-Hour Emergency Contact

270 miles 


Williams owns 100 percent of the capacity of Williams Bayou Ethane Pipeline and is the operator of record.

Download a copy of the current Bayou Ethane Pipeline Tariff.

Download a copy of the Bayou Ethane Specifications.

The Bayou Ethane Pipeline spans 13 counties/parishes in Louisiana and Texas. 


Ascension, Iberville, East Baton Rouge, West Baton Rouge, St. Martin, Lafayette, Acadia, Jefferson Davis, Calcasieu and Cameron Parishes 


Orange, Jefferson and Chambers Counties


For questions about our operations, commercial development or distribution, please contact one of the individuals listed below. For general questions about Williams, please call (800) 945-5426 or send an email to WilliamsContact@williams.com. 

John Bell, manager of Operations

Commercial Development

Kelli Crocker, Commercial Development Representative 

Distribution and Scheduling

Michael Doyle, Manager of Distribution and Scheduling

Austin McGinis, Distribution Representative