Marathon Pipe Line LLC - St James Capline Station: Oil Pipeline Facility in St. James, Louisiana

Marathon Pipe Line LLC - St James Capline Station is an oil pipeline facility located at 6770 Hwy 18 in St. James, Louisiana, United States. The facility is operational and serves as a key node in the Capline pipeline system, which transports crude oil from the Gulf Coast to the Midwest. Its location in St. James Parish places it within a major industrial corridor along the Mississippi River. The facility operates under the regulatory oversight of the Pipeline and Hazardous Materials Safety Administration (PHMSA) and complies with 49 CFR Part 195 for hazardous liquid pipelines. As part of the Capline system, it handles significant volumes of crude oil, with typical pipeline diameters ranging from 24 to 40 inches. The station includes pumping and metering infrastructure to support efficient flow. The St James Capline Station is strategically important for connecting Gulf Coast refineries and production areas to inland markets. Its operation supports the regional energy supply chain and contributes to the economic activity of St. James Parish. The facility's proximity to the Mississippi River and populated areas necessitates robust safety and environmental management practices.

The facility is situated in St. James, Louisiana, an area with extensive industrial infrastructure along the Mississippi River. The region is characterized by wetlands and waterways that require careful management to prevent spills. Pipeline age and cathodic protection are critical for integrity, and the transport of crude oil poses risks to nearby communities and ecosystems. Regulatory compliance with PHMSA standards helps mitigate these risks.