Mandan Refinery

Mandan Refinery in North Dakota


Our Mandan refinery began operations in 1954 and today has a crude oil refining capacity of 71,000 barrels per calendar day (bpcd). The refinery processes primarily sweet domestic crude oil from North Dakota and manufactures gasoline, distillates, propane and heavy fuel oil. Refined products are shipped via truck and rail.

Health, Safety and Environment

At MPC, the health and safety of our employees is of paramount concern. We take steps to ensure an accident-free, incident-free workplace no matter where it is. Due to that commitment, we've implemented safety measures and been recognized as a leader in safety.

At the same time, we are committed to minimizing our impact on the environment. As such, we are involved in multiple programs, support several organizations and implement various initiatives that aim to protect our environment and the local communities in which we operate.

Below is a list of accolades and accomplishments that we've earned at our Mandan refinery.

  • Steward of natural habitats including the dedicated 640 acres surrounding the refinery
  • Partnered with the Bismarck and Mandan Parks and Recreation Departments to plant more than 11,000 trees for the State's Annual Arbor Day over the past 25 years
  • Site recognized for excellence in safety performance by Occupational Safety and Health Administration in 2014
  • In 2015, the refinery logged 3.8 million hours without a Days Away From Work (DAFW) injury


At Marathon Petroleum, we know that community is important. It's why we do what we do every day. So, aside from fueling the Mandan area, we also make it a priority to be actively involved in efforts that have a positive impact on the community. Listed below are some of the ways that we do just that.

  • Donated $800,000 in charitable giving to non-profit organizations in the Northern Great Plains in 2016
  • Awarded a three-year, $750,000 grant to Bismarck State College to develop a virtual process technology training program
  • Completed a three-year, $750,000 grant to the North Dakota Safety Council to develop a state-of-the-art training center
  • Supports Junior Achievement of the Upper Midwest to reinforce science, technology, engineering and math (STEM) education to 3,500 students

Latest NewsSee all Mandan News

  • Grants rev up commercial driver training at North Dakota tribal colleges

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    Mandan, North Dakota, FoundationRead More
  • EPA and tribal members join Marathon Petroleum in safeguarding the environment

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