EPA TRI Facility · Chemicals
Westlake Petrochemicals Ethylene
Sulphur, LA · Parent: Westlake Chemical Corp
- Total releases
- 1.0M lbs
- Chemicals reported
- 22
- Carcinogens
- 6
- Primary pathway
- Air Releases
AIR Form-R mix
Westlake Petrochemicals Ethylene: how the 1.0M lbs splits
1.0M lbs across all reported pathways
- Air Releases 1.0M lbs 99.8%
- Water Discharges 2.1K lbs 0.2%
- Off-site Transfers 105 lbs <0.1%
- Land Disposal 0 lbs <0.1%
Westlake Petrochemicals Ethylene's 1.0M lbs Form-R total is AIR - air releases is 99.8% of the bar. Next segment: water discharges at 0.2%. Leading chemical by pounds: Ethylene.
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.
HEAVY volume AIR pathway CARC-LEAN
Westlake Petrochemicals Ethylene is an EPA Toxics Release Inventory reporter in Sulphur, LA, in the chemicals sector. It reported 213.4K lbs of releases across 22 chemicals in 2023, and 1.0M lbs in total across its 2019-2023 reporting years. That ranks 1,294 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. Westlake Petrochemicals Ethylene is pounds #73 and chemical-count #39 at 1.0M 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: Citgo Petroleum Corp; Firestone Polymers LLC; Equistar Chemicals LP - Lake Charles Polymers; Indorama Ventures Olefins LLC. Similar-scale Chemicals peers outside Louisiana: W2 Fuel LLC; W.r. Grace & Co.; Emery Oleochemicals LLC Cincinnati Plant; Pinova,inc.. Other Westlake Chemical Corp sites in this extract: Westlake Chemicals & Vinyls LLC. Largest disclosed chemicals by pounds: Ethylene; Propylene; Benzene; 1,3-Butadiene.
Westlake Petrochemicals Ethylene stamps HEAVY volume with a dominant AIR pathway (99.8% air releases) across 22 chemicals · 6 carcinogen-classified. Cumulative Form-R extract: 1.0M lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include W2 Fuel LLC and W.r. Grace & Co..
Westlake Petrochemicals Ethylene vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
1.0M lbs Top 5% higher than 95% 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
Westlake Petrochemicals Ethylene in the Chemicals sector extract
Among the 3,917 Chemicals facilities in this database, Westlake Petrochemicals Ethylene reports the 263rd-largest volume, placing it in the top 6.7% of its sector. Scale peers outside Louisiana include W2 Fuel LLC and W.r. Grace & Co..
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
- Westlake Petrochemicals Ethylene's total reported releases rose from 188.3 thousand lb in 2022 to 213.4 thousand lb in 2023, based on EPA TRI filings.
- Westlake Petrochemicals Ethylene's water releases rose from 187 lb in 2022 to 1.8 thousand lb in 2023, based on EPA TRI filings.
- Westlake Petrochemicals Ethylene's off-site transfers rose from 28 lb in 2022 to 38 lb in 2023, based on EPA TRI filings.
- Westlake Petrochemicals Ethylene's air releases rose from 188.1 thousand lb in 2022 to 211.6 thousand lb in 2023, based on EPA TRI filings.
Westlake Petrochemicals Ethylene Form-R facts
Compare this facility
See how Westlake Petrochemicals Ethylene stacks up against nearby facilities and the typical reporter.
88% less than the comparison
42% less 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 Westlake Petrochemicals Ethylene releases toxic chemicals into the environment. Total: 1.0M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases increased by 3% (207.2K lbs to 213.4K lbs).
Westlake Petrochemicals Ethylene: annual Form-R pounds
HEAVY site · AIR pathway · TRI years 2019–2023
- 2019 0
- 2020 0
- 2021 0
- 2022 0
- 2023 0
What this shows Westlake Petrochemicals Ethylene year-over-year reported totals (increased by 3% 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: Ethylene.
| Year | Total | Chemicals |
|---|---|---|
| 2019 | 207.2K lbs | 22 |
| 2020 | 189.9K lbs | 22 |
| 2021 | 212.8K lbs | 22 |
| 2022 | 188.3K lbs | 22 |
| 2023 | 213.4K lbs | 22 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 6 of 22 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Ethylene | 493.8K lbs | - |
| Propylene | 251.1K lbs | - |
| Benzene | 51.8K lbs | Carcinogen |
| 1,3-Butadiene | 43.5K lbs | Carcinogen |
| Ammonia | 42.2K lbs | - |
| Styrene | 38.2K lbs | Carcinogen |
| Ethylbenzene | 37.1K lbs | Carcinogen |
| Toluene | 23.0K lbs | - |
| n-Hexane | 20.1K lbs | - |
| Xylene (mixed isomers) | 5.4K lbs | - |
| Maleic anhydride | 2.4K lbs | - |
| Naphthalene | 1.0K lbs | Carcinogen |
| Methyl tert-butyl ether | 1.0K lbs | - |
| Chlorine | 482 lbs | - |
| 1,2,4-Trimethylbenzene | 233 lbs | - |
| Cumene | 126 lbs | Carcinogen |
| Dinitrobutyl phenol | 50 lbs | - |
| Biphenyl | 24 lbs | - |
| Bromine | 0 lbs | - |
| Chlorine dioxide | 0 lbs | - |
| Ethylene glycol | 0 lbs | - |
| S,S,S-Tributyltrithiophosphate | 0 lbs | - |
Westlake Petrochemicals Ethylene · AIR-pathway site
Nearest TRI Facilities to Westlake Petrochemicals Ethylene
Closest other reporters in Louisiana - including Citgo Petroleum Corp, Firestone Polymers LLC, Equistar Chemicals LP - Lake Charles Polymers, ordered by distance.
Showing 8 of 416 other reporting facilities in Louisiana.
Similar Chemicals Facilities
Other Chemicals facilities with similar total release volumes (±80%), outside Louisiana - e.g. W2 Fuel LLC, W.r. Grace & Co., Emery Oleochemicals LLC Cincinnati Plant.
Compare beyond Louisiana
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Westlake Petrochemicals Ethylene on cumulative reported pounds (1.0M lbs) and distinct chemical count (22). Release-pound peers include W2 Fuel LLC, US Army McAlester Army Ammunition Plant, US Army Lake City Army Ammunition Plant. Chemical-count peers include Seward Power Plant, Pixelle Specialty Solutions LLC, Envirite of Pennsylvania Inc. 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.
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Westlake Chemical Corp Facilities
Same-parent TRI sites ranked by reported releases - including Westlake Chemicals & Vinyls LLC.
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 Ethylene, Propylene, Benzene, 1,3-Butadiene; nearby reporters include Citgo Petroleum Corp. Westlake Petrochemicals Ethylene stamps HEAVY volume · AIR 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 Westlake Petrochemicals Ethylene TRI extract (HEAVY · AIR · CARC-LEAN · lead Ethylene) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Westlake Petrochemicals Ethylene totals are self-reported EPCRA §313 estimates for Sulphur, LA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 325110 · Chemicals. 1.0% of Calcasieu Parish TRI pounds in this extract. Nearest ABS peer: W2 Fuel LLC (Δ 486 lbs). Pounds ≠ exposure.
Westlake Petrochemicals Ethylene stamps HEAVY volume · AIR pathway · CARC-LEAN · lead Ethylene. PlainEnviro renders this EPA Form-R extract from its pipeline; no figure is typed in by an editor. 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