DIAMOND SHAMROCK REFINING VALERO
THREE RIVERS, TX · LIVE OAK COUNTY · NAICS 324110
Data updated May 2026
DIAMOND SHAMROCK REFINING VALERO sits in the upper third of EPA GHGRP reporters by latest CO₂e (#854 of 8,713 nationally, #139 of 1,176 in TX).
- National rank #854 of 8,713 GHGRP facilities
- #139 of 1,176 in TX
- #33 of 83 in Petroleum Product Suppliers
- 2.8% of VALERO ENERGY parent CO₂e
- 2023 mix: 0.9% non-CO₂ (CH₄-led)
- -12.2% since 2011
DIAMOND SHAMROCK REFINING VALERO vs all U.S. GHGRP facilities
Where this site's latest reported Scope 1 CO₂e sits among every EPA GHGRP reporting facility
668,326 854th of 8713 higher than 7,859 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 2.8% of VALERO ENERGY reported parent CO₂e (668K MT of 23.5M MT ; #13 of 26 GHGRP facilities under that parent ). Inside the EPA Petroleum Product Suppliers sector it ranks #33 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 668K MT CO₂e reported for 2023, non-CO₂ gases are 0.9% , led by CH₄ at 0.7% . Component shares use this facility's GHGRP CO₂ / CH₄ / N₂O rows for that year (already CO₂e-weighted).
- CO₂
- 99.1%
- 662K MT
- CH₄
- 0.7%
- 4K MT
- N₂O
- 0.2%
- 2K MT
Emissions decline across reporting years
| Year | Total CO2e (MT) |
|---|---|
| 2023 | 668,326 |
| 2022 | 702,322 |
| 2021 | 697,299 |
| 2020 | 625,533 |
| 2019 | 754,625 |
| 2018 | 672,040 |
| 2017 | 579,817 |
| 2016 | 711,772 |
| 2015 | 740,535 |
| 2014 | 718,374 |
| 2013 | 696,277 |
| 2012 | 693,965 |
| 2011 | 761,322 |
Facility insight: DIAMOND SHAMROCK REFINING VALERO
DIAMOND SHAMROCK REFINING VALERO (GHGRP ID 1008310) is a high-volume reporter at 668K MT CO₂e in 2023 from THREE RIVERS, TX (#854 of 8,713 nationally) under Petroleum Product Suppliers (NAICS 324110).
Across 2011–2023, annual CO₂e fell 12.2%; peak load was 761K MT in 2011. This facility has filed every year from 2011 to 2023, a complete 13-year record.
Peak year was 2011 at 761K MT CO2e; latest 2023 sits 12.2% below that peak (668K MT). The largest year-to-year move was 2016→2017 (-18.5%, 132K MT).
Frequently Asked Questions
Where does DIAMOND SHAMROCK REFINING VALERO rank among U.S. GHGRP facilities? ▼
According to the EPA Greenhouse Gas Reporting Program, DIAMOND SHAMROCK REFINING VALERO ranks #854 of 8,713 reporting facilities by latest reported CO₂e, and #139 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 DIAMOND SHAMROCK REFINING VALERO? ▼
DIAMOND SHAMROCK REFINING VALERO's 668K MT CO₂e is higher than 7,859 of the 8,713 GHGRP facilities with reported emissions (90%), an exact count from the full corpus, not an estimate.
How much CO2 does DIAMOND SHAMROCK REFINING VALERO emit? ▼
DIAMOND SHAMROCK REFINING VALERO reported 668K MT CO2e in 2023.
What share of VALERO ENERGY does DIAMOND SHAMROCK REFINING VALERO represent? ▼
DIAMOND SHAMROCK REFINING VALERO accounts for 2.8% of VALERO ENERGY's reported GHGRP CO₂e (668K MT of 23.5M MT), ranking #13 of 26 facilities under that parent.
What is DIAMOND SHAMROCK REFINING VALERO's 2023 CO₂ / CH₄ / N₂O mix? ▼
In 2023, non-CO₂ gases were 0.9% of reported CO₂e at DIAMOND SHAMROCK REFINING VALERO, with CH₄ the larger non-CO₂ share at 0.7% (CO₂ 99.1%). Shares use the facility's GHGRP gas components for that year.
Where does DIAMOND SHAMROCK REFINING VALERO rank inside Petroleum Product Suppliers? ▼
Among EPA GHGRP facilities tagged Petroleum Product Suppliers, DIAMOND SHAMROCK REFINING VALERO ranks #33 of 83 by latest reported CO₂e.
Is DIAMOND SHAMROCK REFINING VALERO reducing emissions? ▼
Over 13 reporting years (2011–2023), DIAMOND SHAMROCK REFINING VALERO's emissions have decreased by 12.2%. This suggests meaningful progress in emissions reduction.
Nationwide facilities with similar CO₂e or sector
Peer sets outside TX for a top-third GHGRP emitter: CO₂e totals first, then Petroleum Product Suppliers neighbors.
Similar reported CO₂e
Nearest latest-year facility totals outside TX (668K MT here).
Similar Petroleum Product Suppliers CO₂e
Nearest same-sector facility totals outside TX.