EPA TRI Facility · Petroleum
Valero Refining - Meraux LLC Meraux Refinery
Meraux, LA · Parent: Valero Energy Corp
- Total releases
- 457.8K lbs
- Chemicals reported
- 37
- Carcinogens
- 13
- Primary pathway
- Air Releases
MIXED Form-R mix
Valero Refining - Meraux LLC Meraux Refinery: how the 457.8K lbs splits
457.8K lbs across all reported pathways
- Air Releases 239.9K lbs 52.4%
- Water Discharges 171.8K lbs 37.5%
- Off-site Transfers 46.0K lbs 10.1%
- Land Disposal 7 lbs <0.1%
Valero Refining - Meraux LLC Meraux Refinery's 457.8K lbs Form-R total is MIXED - air releases is 52.4% of the bar. Next segment: water discharges at 37.5%. Leading chemical by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution).
Carcinogen-classified pounds vs other reported pounds
Same cumulative TRI total as above, split by EPA/IARC carcinogen classification on each chemical: pounds share, not chemical count. Classification is not a site health-risk score.
MID volume MIXED pathway CARC-LEAN
Valero Refining - Meraux LLC Meraux Refinery is an EPA Toxics Release Inventory reporter in Meraux, LA, in the petroleum sector. It reported 92.7K lbs of releases across 31 chemicals in 2023, and 457.8K lbs in total across its 2019-2023 reporting years. That ranks 2,050 of 25,986 TRI facilities nationwide by cumulative reported pounds, counting each facility over however many years it has filed. In Louisiana's 417 reporting TRI sites, pounds #1 is not chemical-count #1. Valero Refining - Meraux LLC Meraux Refinery is pounds #94 and chemical-count #22 at 457.8K lbs. Bayer Cropscience LP leads reported pounds (81.9M lbs) at 17 chemicals (chemical-count #52). Eco-Services Operations leads chemical count at 68 chemicals (163.5K lbs, pounds #136). Reported volume rose against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Valero Partners LLC; Energy Transfer Geismar Olefins LLC - Chalmette Gas Processi; Chalmette Refining LLC; Rain Cii Carbon LLC. Similar-scale Petroleum peers outside Louisiana: Suncor Energy Commerce City Refinery; Phillips 66 Co Billings Refinery; Countrymark Refining & Logistics LLC; Phillips 66 Los Angeles Refinery Carson Plant. Other Valero Energy Corp sites in this extract: Valero Refining - Texas L.P. Houston Refinery; Valero Refining-Texas LP; Diamond Shamrock Refining Co LP; Valero Refining-Texas LP Corpus Christi West Plant. Largest disclosed chemicals by pounds: Nitrate compounds (water dissociable; reportable only when in aqueous solution); Ammonia; n-Hexane; Asbestos (friable).
Valero Refining - Meraux LLC Meraux Refinery is a MID · MIXED-pathway Form-R site in Meraux, LA: 457.8K lbs across 37 chemicals (13 carcinogen-classified, CARC-LEAN). No single media clears 70% of the bar (lead segment air releases at 52.4%). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Suncor Energy Commerce City Refinery and Phillips 66 Co Billings Refinery.
Valero Refining - Meraux LLC Meraux Refinery vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
458K lbs Top 8% higher than 92% of 25,986 reporting TRI facilities
Each bar is a $1M-wide band; taller bars hold more reporting TRI facilities. The dashed line and filled bar mark this facility. Hover, focus, or tap a bar for its full count, share, and position.
Source U.S. Environmental Protection Agency, Toxics Release Inventory · 2023 reporting year
Valero Refining - Meraux LLC Meraux Refinery in the Petroleum sector extract
Among the 902 Petroleum facilities in this database, Valero Refining - Meraux LLC Meraux Refinery reports the 111th-largest volume, placing it in the top 12.3% of its sector. Scale peers outside Louisiana include Suncor Energy Commerce City Refinery and Phillips 66 Co Billings Refinery.
Sector rank uses reported TRI pounds only. Share callouts need ≥1,000 lbs so tiny totals cannot mint a false signal.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Valero Refining - Meraux LLC Meraux Refinery's total reported releases rose from 78.7 thousand lb in 2022 to 92.7 thousand lb in 2023, based on EPA TRI filings.
- Valero Refining - Meraux LLC Meraux Refinery's off-site transfers rose from 118 lb in 2022 to 214 lb in 2023, based on EPA TRI filings.
- Valero Refining - Meraux LLC Meraux Refinery's air releases rose from 49.6 thousand lb in 2022 to 66.0 thousand lb in 2023, based on EPA TRI filings.
- Valero Refining - Meraux LLC Meraux Refinery's water releases fell from 28.9 thousand lb in 2022 to 26.5 thousand lb in 2023, based on EPA TRI filings.
Valero Refining - Meraux LLC Meraux Refinery Form-R facts
Compare this facility
See how Valero Refining - Meraux LLC Meraux Refinery stacks up against nearby facilities and the typical reporter.
8.5× more than the comparison
61% more than the comparison
Comparison reflects reported pounds and chemical counts, not toxicity or health risk. Averages cover facilities reporting any release.
How does this facility release toxic chemicals?
How Valero Refining - Meraux LLC Meraux Refinery releases toxic chemicals into the environment. Total: 457.8K lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 35% (143.3K lbs to 92.7K lbs).
Valero Refining - Meraux LLC Meraux Refinery: annual Form-R pounds
MID site · MIXED pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Valero Refining - Meraux LLC Meraux Refinery year-over-year reported totals (decreased by 35% from 2019 to 2023). TRI figures are self-reported estimates and can swing with production, waste handling, and reporting changes, not only with controls. Lead chemical in the extract: Nitrate compounds (water dissociable; reportable only when in aqueous solution).
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 143.3K lbs | 31 |
| 2020 | 77.5K lbs | 32 |
| 2021 | 65.6K lbs | 29 |
| 2022 | 78.7K lbs | 32 |
| 2023 | 92.7K lbs | 31 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 13 of 37 chemicals are carcinogens. Sorted by total release volume.
Valero Refining - Meraux LLC Meraux Refinery in St. Bernard Parish
Nearest TRI Facilities to Valero Refining - Meraux LLC Meraux Refinery
Closest other reporters in Louisiana - including Valero Partners LLC, Energy Transfer Geismar Olefins LLC - Chalmette Gas Processi, Chalmette Refining LLC, ordered by distance.
Showing 8 of 416 other reporting facilities in Louisiana.
Similar Petroleum Facilities
Other Petroleum facilities with similar total release volumes (±80%), outside Louisiana - e.g. Suncor Energy Commerce City Refinery, Phillips 66 Co Billings Refinery, Countrymark Refining & Logistics LLC.
Compare beyond Louisiana
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Valero Refining - Meraux LLC Meraux Refinery on cumulative reported pounds (457.8K lbs) and distinct chemical count (37). Release-pound peers include Zekelman Industries, Sharon Tube Division-Church St, Sappi N.a. - Westbrook Operations, Red Star Yeast LLC / Lesaffre Yeast Corp.. Chemical-count peers include Holcim (us) (including Systech Env. Corp.), Exxonmobil Oil Corp Joliet Refinery, Valero Refining Co -Oklahoma Valero Ardmore Refinery. Neighborhoods are forced disjoint so each axis surfaces a different set of sites.
Similar reported release pounds
Nearest out-of-state reporters (≥1,000 lbs) by absolute TRI pounds, not same-industry or same-county neighbors.
- Zekelman Industries, Sharon Tube Division-Church St Farrell, PA · Primary Metals 457.5K lbs reported
- Sappi N.a. - Westbrook Operations Westbrook, ME · Paper 457.3K lbs reported
- Red Star Yeast LLC / Lesaffre Yeast Corp. Headland, AL · Food 457.3K lbs reported
- Nouryon Functional Chemicals LLC Axis, AL · Chemicals 457.2K lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
- Holcim (us) (including Systech Env. Corp.) Paulding, OH · Nonmetallic Mineral Product 37 chemicals
- Exxonmobil Oil Corp Joliet Refinery Channahon, IL · Petroleum 37 chemicals
- Valero Refining Co -Oklahoma Valero Ardmore Refinery Ardmore, OK · Petroleum 37 chemicals
- Central Plains Cement Co Tulsa, OK · Nonmetallic Mineral Product 37 chemicals
Other Valero Energy Corp Facilities
Same-parent TRI sites ranked by reported releases - including Valero Refining - Texas L.P. Houston Refinery, Valero Refining-Texas LP, Diamond Shamrock Refining Co LP.
About TRI Data
Data as of 2023 reporting year. Source: U.S. Environmental Protection Agency (EPA) Toxic Release Inventory.
On this page the largest disclosed chemicals include Nitrate compounds (water dissociable; reportable only when in aqueous solution), Ammonia, n-Hexane, Asbestos (friable); nearby reporters include Valero Partners LLC. Valero Refining - Meraux LLC Meraux Refinery stamps MID volume · MIXED pathway · CARC-LEAN carcinogen-lbs on this Form-R extract. Totals are self-reported estimates under EPCRA §313, not measured stack emissions or a health-risk score.
Use and verify this record
This Valero Refining - Meraux LLC Meraux Refinery TRI extract (MID · MIXED · CARC-LEAN · lead Nitrate compounds (water dissociable; reportable only when in aqueous solution)) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Valero Refining - Meraux LLC Meraux Refinery totals are self-reported EPCRA §313 estimates for Meraux, LA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 324110 · Petroleum. 13.6% of St. Bernard Parish TRI pounds in this extract. Nearest ABS peer: Zekelman Industries, Sharon Tube Division-Church St (Δ 209 lbs). Pounds ≠ exposure.
Valero Refining - Meraux LLC Meraux Refinery stamps MID · MIXED pathway (air releases leads at 52.4%). Pipeline-rendered EPA Form-R only - no editor-typed pounds. Corrections: editorial policy.
All federal data sources used on this page
- EPA Toxics Release Inventory (TRI) Basic Data Files - annual self-reported chemical-release filings. epa.gov
- EPA TRI Program reference - how chemicals and reported releases are counted. epa.gov
- EPA Facility Registry Service - facility location and identity. epa.gov
- EPA ECHO - regulatory and compliance context. epa.gov
- EPA Envirofacts - the EPA data warehouse exposing these datasets. epa.gov