How To Use The Map

Enter a specific address, city, state or GPS coordinates to search for pipelines operated by Marathon Pipe Line LLC.
Click on a red line for details regarding the pipeline name, products transported, pipeline diameter and more.


Terms of Use

Pipeline information provided from MPL’s Geographic Information System, 2017. Street map information provided by Google. MPL is providing this map as a courtesy and for general information purposes only. It does not represent that the information contained herein is accurate for any particular purpose, and therefore disclaims all warranties, expressed or implied, including the warranty of fitness for a particular purpose. Independent verification from experts should be obtained prior to any specific use. Recipient accepts full responsibility for any consequences associated with use of this information. This information does not replace calling 811 before digging. As such, you are still required to call 811 before digging.

I Agree

Emergency Number: 1-800-537-6644


Indications of a Leak

  • The pooling of liquid on the ground
  • An odor like petroleum liquids or gasoline
  • A sheen on the surface of water
  • An area of dead vegetation

Hazards of a Release

  • Highly flammable and easily ignited by heat or sparks
  • Vapors can be heavier than air and collect in low areas
  • Contact with skin may cause burns, injury, or frostbite
  • Fire may produce irritating and/or toxic gases
  • Runoff may cause pollution
  • Vapors may form an explosive mixture with air

Emergency Response

  • Leave the area immediately, move upwind and warn others to stay away
  • Keep possible ignition sources (starting an engine, lighting a match, using a cell phone) away from the area
  • Once you are safely away from the area, call 911 or your local emergency response number
  • Call Marathon Pipe Line LLC's toll-free emergency number 1-800-537-6644
  • Remain upwind