South Marsh Island SM 217
Offshore, LA · NAICS 211120
Data updated May 2026
According to the EPA Greenhouse Gas Reporting Program, South Marsh Island SM 217 ranks #5,803 of 8,713 U.S. reporting facilities by latest reported CO₂e and #353 of 531 facilities in LA.
- National rank #5,803 of 8,713 GHGRP facilities
- #353 of 531 in LA
- #1,208 of 2,099 in Petroleum and Natural Gas Systems
- 43.3% of NRW parent CO₂e
- 2023 mix: 44.2% non-CO₂ (CH₄-led)
- -58.9% since 2011
South Marsh Island SM 217 vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
28,931 5803rd of 8713 higher than 2,910 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 43.3% of NRW reported parent CO₂e (29K MT of 67K MT ; #1 of 4 GHGRP facilities under that parent ). Inside the EPA Petroleum and Natural Gas Systems sector it ranks #1,208 of 2,099 facilities by latest CO₂e. Shares use GHGRP facility rollups only, not Scope 2/3 or non-reporting sites.
2023 gas mix desk
Of 29K MT CO₂e reported for 2023, non-CO₂ gases are 44.2% , led by CH₄ at 44.2% . Component shares use this facility's GHGRP CO₂ / CH₄ / N₂O rows for that year (already CO₂e-weighted).
- CO₂
- 55.8%
- 16K MT
- CH₄
- 44.2%
- 13K MT
- N₂O
- 0%
- 10 MT
Emissions decline across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 28,931 |
| 2022 | 32,034 |
| 2021 | 30,151 |
| 2020 | 27,506 |
| 2019 | 37,880 |
| 2018 | 64,039 |
| 2017 | 72,141 |
| 2016 | 78,397 |
| 2015 | 85,743 |
| 2014 | 84,347 |
| 2013 | 71,056 |
| 2012 | 68,354 |
| 2011 | 70,315 |
Facility insight: South Marsh Island SM 217
South Marsh Island SM 217 (EPA GHGRP Facility ID 1003721) reported 29K metric tons of CO2-equivalent in 2023, operating in Offshore, LA. Among GHGRP reporters it ranks #5,803 of 8,713 nationally by latest CO₂e and #353 of 531 in LA. The site is classified under Petroleum and Natural Gas Systems with NAICS code 211120.
Across 2011–2023, annual CO₂e fell 58.9%; peak load was 86K MT in 2015. This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2015 at 86K MT CO2e; latest 2023 sits 66.3% below that peak (29K MT). The largest year-to-year move was 2018→2019 (-40.8%, 26K MT).
Frequently Asked Questions
Where does South Marsh Island SM 217 rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, South Marsh Island SM 217 ranks #5,803 of 8,713 reporting facilities by latest reported CO₂e, and #353 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 South Marsh Island SM 217? ▼
South Marsh Island SM 217's 29K MT CO₂e is higher than 2,910 of the 8,713 GHGRP facilities with reported emissions (33%), an exact count from the full corpus, not an estimate.
How much CO2 does South Marsh Island SM 217 emit? ▼
South Marsh Island SM 217 reported 29K MT CO2e in 2023.
What share of NRW does South Marsh Island SM 217 represent? ▼
South Marsh Island SM 217 accounts for 43.3% of NRW's reported GHGRP CO₂e (29K MT of 67K MT), ranking #1 of 4 facilities under that parent.
What is South Marsh Island SM 217's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 44.2% of reported CO₂e at South Marsh Island SM 217, with CH₄ the larger non-CO₂ share at 44.2% (CO₂ 55.8%). Shares use the facility's GHGRP gas components for that year.
Where does South Marsh Island SM 217 rank inside Petroleum and Natural Gas Systems? ▼
Among EPA GHGRP facilities tagged Petroleum and Natural Gas Systems, South Marsh Island SM 217 ranks #1,208 of 2,099 by latest reported CO₂e.
Is South Marsh Island SM 217 reducing emissions? ▼
Over 13 reporting years (2011–2023), South Marsh Island SM 217's emissions have decreased by 58.9%. This suggests meaningful progress in emissions reduction.
Nationwide facilities with similar CO₂e or sector
Two GHGRP-derived peer sets for South Marsh Island SM 217, both outside LA so the neighborhoods are not state-geo containment.
Similar reported CO₂e
Nearest latest-year facility totals outside LA (29K MT here).
Similar Petroleum and Natural Gas Systems CO₂e
Nearest same-sector facility totals outside LA.