MARKHAM GAS PROCESSING PLANT
MARKHAM, TX · MATAGORDA COUNTY · NAICS 211130
Data updated May 2026
According to the EPA Greenhouse Gas Reporting Program, MARKHAM GAS PROCESSING PLANT ranks #3,101 of 8,713 U.S. reporting facilities by latest reported CO₂e and #462 of 1,176 facilities in TX.
- National rank #3,101 of 8,713 GHGRP facilities
- #462 of 1,176 in TX
- #395 of 2,099 in Petroleum and Natural Gas Systems
- 1.3% of THE WILLIAMS COS parent CO₂e
- 2023 mix: 9.2% non-CO₂ (CH₄-led)
- -71.4% since 2011
MARKHAM GAS PROCESSING PLANT vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
79,633 3101st of 8713 higher than 5,612 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 1.3% of THE WILLIAMS COS reported parent CO₂e (80K MT of 6.2M MT ; #32 of 65 GHGRP facilities under that parent ). Inside the EPA Petroleum and Natural Gas Systems sector it ranks #395 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 80K MT CO₂e reported for 2023, non-CO₂ gases are 9.2% , led by CH₄ at 9.1% . Component shares use this facility's GHGRP CO₂ / CH₄ / N₂O rows for that year (already CO₂e-weighted).
- CO₂
- 90.8%
- 72K MT
- CH₄
- 9.1%
- 7K MT
- N₂O
- 0.1%
- 42 MT
Emissions decline across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 79,633 |
| 2022 | 104,954 |
| 2021 | 113,381 |
| 2020 | 110,300 |
| 2019 | 115,985 |
| 2018 | 118,042 |
| 2017 | 89,546 |
| 2016 | 160,786 |
| 2015 | 144,643 |
| 2014 | 158,657 |
| 2013 | 129,806 |
| 2012 | 161,446 |
| 2011 | 278,120 |
Facility insight: MARKHAM GAS PROCESSING PLANT
MARKHAM GAS PROCESSING PLANT (EPA GHGRP Facility ID 1002256) reported 80K metric tons of CO2-equivalent in 2023, operating in MARKHAM, TX within MATAGORDA COUNTY. Among GHGRP reporters it ranks #3,101 of 8,713 nationally by latest CO₂e and #462 of 1,176 in TX. The site is classified under Petroleum and Natural Gas Systems with NAICS code 211130.
Across 2011–2023, annual CO₂e fell 71.4%; peak load was 278K MT in 2011. This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2011 at 278K MT CO2e; latest 2023 sits 71.4% below that peak (80K MT). The largest year-to-year move was 2011→2012 (-42.0%, 117K MT).
Frequently Asked Questions
Where does MARKHAM GAS PROCESSING PLANT rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, MARKHAM GAS PROCESSING PLANT ranks #3,101 of 8,713 reporting facilities by latest reported CO₂e, and #462 of 1,176 facilities in TX (same sort as the state facility table). See /methodology#corpus-placement.
What share of GHGRP facilities report less CO₂e than MARKHAM GAS PROCESSING PLANT? ▼
MARKHAM GAS PROCESSING PLANT's 80K MT CO₂e is higher than 5,612 of the 8,713 GHGRP facilities with reported emissions (64%), an exact count from the full corpus, not an estimate.
How much CO2 does MARKHAM GAS PROCESSING PLANT emit? ▼
MARKHAM GAS PROCESSING PLANT reported 80K MT CO2e in 2023.
What share of THE WILLIAMS COS does MARKHAM GAS PROCESSING PLANT represent? ▼
MARKHAM GAS PROCESSING PLANT accounts for 1.3% of THE WILLIAMS COS's reported GHGRP CO₂e (80K MT of 6.2M MT), ranking #32 of 65 facilities under that parent.
What is MARKHAM GAS PROCESSING PLANT's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 9.2% of reported CO₂e at MARKHAM GAS PROCESSING PLANT, with CH₄ the larger non-CO₂ share at 9.1% (CO₂ 90.8%). Shares use the facility's GHGRP gas components for that year.
Where does MARKHAM GAS PROCESSING PLANT rank inside Petroleum and Natural Gas Systems? ▼
Among EPA GHGRP facilities tagged Petroleum and Natural Gas Systems, MARKHAM GAS PROCESSING PLANT ranks #395 of 2,099 by latest reported CO₂e.
Is MARKHAM GAS PROCESSING PLANT reducing emissions? ▼
Over 13 reporting years (2011–2023), MARKHAM GAS PROCESSING PLANT's emissions have decreased by 71.4%. This suggests meaningful progress in emissions reduction.
Nationwide facilities with similar CO₂e or sector
Two GHGRP-derived peer sets for MARKHAM GAS PROCESSING PLANT, both outside TX so the neighborhoods are not state-geo containment.
Similar reported CO₂e
Nearest latest-year facility totals outside TX (80K MT here).
Similar Petroleum and Natural Gas Systems CO₂e
Nearest same-sector facility totals outside TX.