Marathon Mandan Refinery
Mandan, ND · MORTON COUNTY · NAICS 324110
Data updated May 2026
Marathon Mandan Refinery sits in the upper third of EPA GHGRP reporters by latest CO₂e (#844 of 8,713 nationally, #7 of 72 in ND).
- National rank #844 of 8,713 GHGRP facilities
- #7 of 72 in ND
- #32 of 83 in Petroleum Product Suppliers
- 2.4% of MARATHON PETROLEUM parent CO₂e
- 2023 mix: 0.8% non-CO₂ (CH₄-led)
- +21.1% since 2011
Marathon Mandan Refinery vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
682,316 844th of 8713 higher than 7,869 of 8,713 facilities
GHGRP facilities, banded by latest reported CO₂e (MT)
Each bar is a band; taller bars hold more facilities. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source EPA Greenhouse Gas Reporting Program · 2023
Facility footprint context
This site accounts for 2.4% of MARATHON PETROLEUM reported parent CO₂e (682K MT of 28.8M MT ; #10 of 24 GHGRP facilities under that parent ). Inside the EPA Petroleum Product Suppliers sector it ranks #32 of 83 facilities by latest CO₂e. Shares use GHGRP facility rollups only, not Scope 2/3 or non-reporting sites.
2023 gas mix desk
Of 682K MT CO₂e reported for 2023, non-CO₂ gases are 0.8% , led by CH₄ at 0.6% . Component shares use this facility's GHGRP CO₂ / CH₄ / N₂O rows for that year (already CO₂e-weighted).
- CO₂
- 99.2%
- 677K MT
- CH₄
- 0.6%
- 4K MT
- N₂O
- 0.3%
- 2K MT
Emissions growth across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 682,316 |
| 2022 | 695,213 |
| 2021 | 680,423 |
| 2020 | 680,578 |
| 2019 | 671,525 |
| 2018 | 664,087 |
| 2017 | 575,233 |
| 2016 | 702,195 |
| 2015 | 701,010 |
| 2014 | 691,296 |
| 2013 | 649,082 |
| 2012 | 620,607 |
| 2011 | 563,533 |
Facility insight: Marathon Mandan Refinery
Marathon Mandan Refinery (GHGRP ID 1005966) is a high-volume reporter at 682K MT CO₂e in 2023 from Mandan, ND (#844 of 8,713 nationally) under Petroleum Product Suppliers (NAICS 324110).
From 2011 to 2023, reported CO₂e rose 21.1% (peak 702K MT). This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2016 at 702K MT CO2e; latest 2023 sits 2.8% below that peak (682K MT). The largest year-to-year move was 2016→2017 (-18.1%, 127K MT).
Frequently Asked Questions
Where does Marathon Mandan Refinery rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Marathon Mandan Refinery ranks #844 of 8,713 reporting facilities by latest reported CO₂e, and #7 of 72 facilities in ND (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than Marathon Mandan Refinery? ▼
Marathon Mandan Refinery's 682K MT CO₂e is higher than 7,869 of the 8,713 GHGRP facilities with reported emissions (90%), an exact count from the full corpus, not an estimate.
How much CO2 does Marathon Mandan Refinery emit? ▼
Marathon Mandan Refinery reported 682K MT CO2e in 2023.
What share of MARATHON PETROLEUM does Marathon Mandan Refinery represent? ▼
Marathon Mandan Refinery accounts for 2.4% of MARATHON PETROLEUM's reported GHGRP CO₂e (682K MT of 28.8M MT), ranking #10 of 24 facilities under that parent.
What is Marathon Mandan Refinery's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.8% of reported CO₂e at Marathon Mandan Refinery, with CH₄ the larger non-CO₂ share at 0.6% (CO₂ 99.2%). Shares use the facility's GHGRP gas components for that year.
Where does Marathon Mandan Refinery rank inside Petroleum Product Suppliers? ▼
Among EPA GHGRP facilities tagged Petroleum Product Suppliers, Marathon Mandan Refinery ranks #32 of 83 by latest reported CO₂e.
Is Marathon Mandan Refinery reducing emissions? ▼
Over 13 reporting years (2011–2023), Marathon Mandan Refinery's emissions have increased by 21.1%. This may reflect expanded operations or increased production.
Nationwide facilities with similar CO₂e or sector
Peer sets outside ND for a top-third GHGRP emitter: CO₂e totals first, then Petroleum Product Suppliers neighbors.
Similar reported CO₂e
Nearest latest-year facility totals outside ND (682K MT here).
Similar Petroleum Product Suppliers CO₂e
Nearest same-sector facility totals outside ND.