EPA TRI Facility · Chemicals
Westlake Polymers LLC
Sulphur, LA · Parent: Westlake Corp
- Total releases
- 2.2M lbs
- Chemicals reported
- 5
- Carcinogens
- 1
- Primary pathway
- Air Releases
AIR Form-R mix
Westlake Polymers LLC: how the 2.2M lbs splits
2.2M lbs across all reported pathways
- Air Releases 2.2M lbs 100.0%
- Land Disposal 0 lbs <0.1%
Westlake Polymers LLC's 2.2M lbs Form-R total is AIR - air releases is 100.0% of the bar. Next segment: land disposal at <0.1%. 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 Polymers LLC is an EPA Toxics Release Inventory reporter in Sulphur, LA, in the chemicals sector. It reported 420.9K lbs of releases across 4 chemicals in 2023, and 2.2M lbs in total across its 2019-2023 reporting years. That ranks 801 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 Polymers LLC is pounds #57 and chemical-count #179 at 2.2M 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 fell against 2022. Pounds reported are not a measure of toxicity or health risk. Nearest other TRI reporters: Equistar Chemicals LP - Lake Charles Polymers; Indorama Ventures Olefins LLC; Firestone Polymers LLC; Citgo Petroleum Corp. Similar-scale Chemicals peers outside Louisiana: Ultra Yield Micronutrients; Ppg Industries Inc-Oak Creek; Westinghouse Electric Co LLC; Championx-Sugar Land. Other Westlake Corp sites in this extract: Westlake Longview Corp; Westlake US 2 LLC; Westlake Vinyls Inc; Westlake Vinyls Inc. - Pvc Plant. Largest disclosed chemicals by pounds: Ethylene; Vinyl acetate; Propylene; tert-Butyl alcohol.
Westlake Polymers LLC stamps HEAVY volume with a dominant AIR pathway (100.0% air releases) across 5 chemicals · 1 carcinogen-classified. Cumulative Form-R extract: 2.2M lbs (2019–2023). All figures are self-reported EPCRA §313 estimates, not measured stack emissions or a health-risk score. Scale peers include Ultra Yield Micronutrients and Ppg Industries Inc-Oak Creek.
Westlake Polymers LLC vs. every reporting TRI facility
Cumulative reported release pounds, with this facility marked in the national distribution
2.2M lbs Top 3% higher than 97% 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 Polymers LLC: Ethylene-led volume
Among the 3,917 Chemicals facilities in this database, Westlake Polymers LLC reports the 155th-largest volume, placing it in the top 4% of its sector. Its reported volume is concentrated rather than spread: Ethylene alone is 81.9% of the total. Scale peers outside Louisiana include Ultra Yield Micronutrients and Ppg Industries Inc-Oak Creek.
Concentrated means ≥60% of Westlake Polymers LLC's pounds in one chemical - here Ethylene at 81.9%. Not a toxicity score.
Annual disclosure change
What changed: EPA TRI 2023 reporting year
- Westlake Polymers LLC's total reported releases fell from 431.2 thousand lb in 2022 to 420.9 thousand lb in 2023, based on EPA TRI filings.
- Westlake Polymers LLC's air releases fell from 431.2 thousand lb in 2022 to 420.9 thousand lb in 2023, based on EPA TRI filings.
Westlake Polymers LLC Form-R facts
Compare this facility
See how Westlake Polymers LLC stacks up against nearby facilities and the typical reporter.
About the same as the comparison
17% 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 Polymers LLC releases toxic chemicals into the environment. Total: 2.2M lbs.
Emissions Trend Summary
From 2019 to 2023, total releases decreased by 13% (481.4K lbs to 420.9K lbs).
Westlake Polymers LLC: 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 Polymers LLC year-over-year reported totals (decreased by 13% 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 | 481.4K lbs | 5 |
| 2020 | 457.8K lbs | 4 |
| 2021 | 423.9K lbs | 4 |
| 2022 | 431.2K lbs | 4 |
| 2023 | 420.9K lbs | 4 |
Chemical Releases
Aggregated across all reporting years (2019–2023). 1 of 5 chemicals are carcinogens. Sorted by total release volume.
| Chemical | Total | Flags |
|---|---|---|
| Ethylene | 1.8M lbs | - |
| Vinyl acetate | 388.4K lbs | Carcinogen |
| Propylene | 11.9K lbs | - |
| tert-Butyl alcohol | 313 lbs | - |
| Chlorine | 0 lbs | - |
Westlake Polymers LLC · AIR-pathway site
Nearest TRI Facilities to Westlake Polymers LLC
Closest other reporters in Louisiana - including Equistar Chemicals LP - Lake Charles Polymers, Indorama Ventures Olefins LLC, Firestone Polymers LLC, 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. Ultra Yield Micronutrients, Ppg Industries Inc-Oak Creek, Westinghouse Electric Co LLC.
Compare beyond Louisiana
Nationwide peers by reported pounds & chemical count
Cross-state TRI reporters nearest Westlake Polymers LLC on cumulative reported pounds (2.2M lbs) and distinct chemical count (5). Release-pound peers include White Bluff Generating Plant, Ultra Yield Micronutrients, Ppg Industries Inc-Oak Creek. Chemical-count peers include Abbvie Ltd, Lilly del Caribe Inc Carolin A, Baxter Healthcare of Puerto Rico LLC. 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.
- White Bluff Generating Plant Redfield, AR · Electric Utilities 2.2M lbs reported
- Ultra Yield Micronutrients Moxee, WA · Chemicals 2.2M lbs reported
- Ppg Industries Inc-Oak Creek Oak Creek, WI · Chemicals 2.2M lbs reported
- Otter Tail Power Co Big Stone Plant Big Stone City, SD · Electric Utilities 2.2M lbs reported
Similar chemical count
Nearest out-of-state reporters by distinct Form-R chemicals (deduped against the release-pound neighborhood).
Other Westlake Corp Facilities
Same-parent TRI sites ranked by reported releases - including Westlake Longview Corp, Westlake US 2 LLC, Westlake Vinyls Inc.
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, Vinyl acetate, Propylene, tert-Butyl alcohol; nearby reporters include Equistar Chemicals LP - Lake Charles Polymers. Westlake Polymers LLC 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 Polymers LLC TRI extract (HEAVY · AIR · CARC-LEAN · lead Ethylene) joins EPA Form-R filings with facility identity - reported pounds, not a health-risk rating.
Westlake Polymers LLC totals are self-reported EPCRA §313 estimates for Sulphur, LA, latest year 2023. Form-R rows span 2019–2023 (5 years). NAICS 325211 · Chemicals. 2.3% of Calcasieu Parish TRI pounds in this extract. Nearest ABS peer: White Bluff Generating Plant (Δ 104 lbs). Pounds ≠ exposure.
Westlake Polymers LLC 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