Garyville Refinery
Garyville, LA · ST. JOHN THE BAPTIST PARISH · NAICS 324110
Data updated May 2026
Garyville Refinery sits in the upper third of EPA GHGRP reporters by latest CO₂e (#96 of 8,713 nationally, #5 of 531 in LA).
- National rank #96 of 8,713 GHGRP facilities
- #5 of 531 in LA
- #3 of 83 in Petroleum Product Suppliers
- 14.6% of MARATHON PETROLEUM parent CO₂e
- 2023 mix: 0.7% non-CO₂ (CH₄-led)
- +7.5% since 2011
Garyville Refinery vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
4,207,065 96th of 8713 higher than 8,617 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 14.6% of MARATHON PETROLEUM reported parent CO₂e (4.2M MT of 28.8M MT ; #3 of 24 GHGRP facilities under that parent ). Inside the EPA Petroleum Product Suppliers sector it ranks #3 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 4.2M MT CO₂e reported for 2023, non-CO₂ gases are 0.7% , led by CH₄ at 0.4% . Component shares use this facility's GHGRP CO₂ / CH₄ / N₂O rows for that year (already CO₂e-weighted).
- CO₂
- 99.3%
- 4.2M MT
- CH₄
- 0.4%
- 18K MT
- N₂O
- 0.3%
- 12K MT
High-emitter reporting timeline
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 4,207,065 |
| 2022 | 3,837,434 |
| 2021 | 4,034,489 |
| 2020 | 3,881,805 |
| 2019 | 4,065,911 |
| 2018 | 4,127,346 |
| 2017 | 4,060,112 |
| 2016 | 3,807,983 |
| 2015 | 3,978,498 |
| 2014 | 3,958,037 |
| 2013 | 3,946,970 |
| 2012 | 3,958,139 |
| 2011 | 3,914,481 |
Facility insight: Garyville Refinery
Garyville Refinery (GHGRP ID 1003043) is a high-volume reporter at 4.2M MT CO₂e in 2023 from Garyville, LA (#96 of 8,713 nationally) under Petroleum Product Suppliers (NAICS 324110).
Over 13 years (2011–2023), emissions stayed within a narrow band around 4.2M MT CO₂e (peak 4.2M MT). This facility has filed every year from 2011 to 2023, a complete 13-year record.
Frequently Asked Questions
Where does Garyville Refinery rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, Garyville Refinery ranks #96 of 8,713 reporting facilities by latest reported CO₂e, and #5 of 531 facilities in LA (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than Garyville Refinery? ▼
Garyville Refinery's 4.2M MT CO₂e is higher than 8,617 of the 8,713 GHGRP facilities with reported emissions (99%), an exact count from the full corpus, not an estimate.
How much CO2 does Garyville Refinery emit? ▼
Garyville Refinery reported 4.2M MT CO2e in 2023.
What share of MARATHON PETROLEUM does Garyville Refinery represent? ▼
Garyville Refinery accounts for 14.6% of MARATHON PETROLEUM's reported GHGRP CO₂e (4.2M MT of 28.8M MT), ranking #3 of 24 facilities under that parent.
What is Garyville Refinery's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.7% of reported CO₂e at Garyville Refinery, with CH₄ the larger non-CO₂ share at 0.4% (CO₂ 99.3%). Shares use the facility's GHGRP gas components for that year.
Where does Garyville Refinery rank inside Petroleum Product Suppliers? ▼
Among EPA GHGRP facilities tagged Petroleum Product Suppliers, Garyville Refinery ranks #3 of 83 by latest reported CO₂e.
Is Garyville Refinery reducing emissions? ▼
Over 13 reporting years (2011–2023), Garyville Refinery's emissions have increased by 7.5%. Emissions have remained relatively stable.
Nationwide facilities with similar CO₂e or sector
Peer sets outside LA for a top-third GHGRP emitter: CO₂e totals first, then Petroleum Product Suppliers neighbors.
Similar reported CO₂e
Nearest latest-year facility totals outside LA (4.2M MT here).
Similar Petroleum Product Suppliers CO₂e
Nearest same-sector facility totals outside LA.