TRI Explorer
Facility Profile Report
| Data Source: 2024 Dataset (released November 2025) | See Note |
Instructions for printing wide reports
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| TRI Facility Name: | WESTLAKE CHEMICALS & VINYLS LLC | |
| Address: | 26100 HWY 405 S, PLAQUEMINE LOUISIANA 70764 (IBERVILLE PARISH) | |
| (Map by Google, Yahoo) | ||
| County: | IBERVILLE PARISH | |
| Public Contact: | HILLARY GARNER | |
| Phone Number: | 225-685-2632 | |
| Public email: | HGARNER@WESTLAKE.COM | |
| Forms Submitted to TRI in 2022 Reporting Year: | ||
| Form R (regular form): | 56 | |
| Form A (certification form): | 0 | |
| Click here for TRI Reporting Forms in EPA Envirofacts database | ||
| Click here for the facility's TRI Pollution Prevention (P2) Report | ||
| Click here for the facility's Risk Screening Report | ||
| North American Industry Classification System (NAICS) Code(s) in 2022 Reporting Year: | ||
| 325110 - Petrochemical Manufacturing (Primary) | ||
| 325180 - Other Basic Inorganic Chemical Manufacturing (Primary) | ||
| 325211 - Plastics Material And Resin Manufacturing (Primary) | ||
| 221112 - Fossil Fuel Electric Power Generation | ||
| 325180 - Other Basic Inorganic Chemical Manufacturing | ||
| 325110 - Petrochemical Manufacturing | ||
| Industry sector used in TRI Explorer analysis in 2022 Reporting Year: | ||
| 325 - Chemicals | ||
Reported TRI Chemical Data (in pounds, for all chemicals reported in 2022) | |
| Total On-site Releases: | 354,890 |
| Total Off-site Releases: | 34,493 |
| Total Transfers Off-site for Further Waste Management: | 34,493 |
| Total Waste Managed: | 29,221,232 |
| Recycled On-site | Recycled Off-site | Energy Recovery On-site | Energy Recovery Off-site | Treated On-site | Treated Off-site | Total Quantity Disposed or Otherwise Released On- and Off-site | Total On-Site Disposal to Class I UI Wells RCRA C Landfills and Other Landfills | Total Other On-Site Disposal or Other Releases | Total Off-Site Disposal to Class I UI Wells RCRA C Landfills and Other Landfills | Total Other Off-Site Disposal or Other Releases | Total Production-related Waste Managed | Non-production-related Waste Managed |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| .0000000 | .0000000 | .0000000 | .0000000 | 531.0282000 | .0000000 | 145.6390000 | .0000000 | 3.7642000 | 141.8748000 | .0000000 | 676.6672000 | .0000000 |
Dioxin and Dioxin-like Compounds Toxicity Equivalent Weight (in grams) NAICS 325 - Chemicals
| TRI Facility Trend Graphs (click to view trend graph) |
| Total On- and Off-site Releases |
| Total Transfers Off-site for Further Waste Management |
| Total Waste Managed |
TRI Chemical Trend Table (click to view trend table)
(all chemicals reported to TRI between 1988 and 2022)
| Row # | Chemical | On- and Off-site Releases Trend | Transfers Off-site for Further Waste Management Trend | Quantities of TRI Chemicals in Waste Trend | EPA's IRIS Substance File (Risk Information) |
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| 1 | 1,1,1-Trichloroethane |  |
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| 2 | 1,1,2,2-Tetrachloroethane | |
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| 3 | 1,1,2-Trichloroethane | |
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| 4 | 1,2-Dichloroethane | |
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| 5 | 1,2-Dichloroethylene | |
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| 6 | 1,2-Dichloropropane | |
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| 7 | 1,3-Dichloropropylene | |
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| 8 | 1,4-Dichloro-2-butene | |
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| 9 | 2,4-Dimethylphenol | |
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| 10 | Acetone | |
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| 11 | Acetophenone | |
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| 12 | Ammonia | |
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| 13 | Asbestos (friable) | |
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| 14 | Benzene | |
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| 15 | Benzo[g,h,i]perylene | |
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| 16 | Bis(2-chloroethyl) ether | |
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| 17 | Carbon tetrachloride | |
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| 18 | Chlorine | |
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| 19 | Chlorobenzene | |
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| 20 | Chlorodifluoromethane (HCFC-22) | |
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| 21 | Chloroethane | |
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| 22 | Chloroform | |
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| 23 | Chloromethane | |
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| 24 | Chloroprene | |
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| 25 | Chromium compounds (except for chromite ore mined in the Transvaal Region) | |
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| 26 | Copper | |
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| 27 | Copper compounds | |
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| 28 | Cresol (mixed isomers) | |
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| 29 | Cumene | |
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| 30 | Cumene hydroperoxide | |
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| 31 | Di(2-ethylhexyl) phthalate | |
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| 32 | Dichlorodifluoromethane (CFC-12) | |
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| 33 | Dichloromethane | |
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| 34 | Dioxin and dioxin-like compounds | |
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| 35 | Ethylbenzene | |
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| 36 | Ethylene | |
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| 37 | Ethylene glycol | |
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| 38 | Ethylene oxide | |
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| 39 | Ethylidene dichloride | |
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| 40 | Hexachloro-1,3-butadiene | |
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| 41 | Hexachlorobenzene | |
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| 42 | Hexachloroethane | |
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| 43 | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | |
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| 44 | Lead compounds | |
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| 45 | Manganese compounds | |
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| 46 | Mercury | |
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| 47 | Mercury compounds | |
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| 48 | Methanol | |
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| 49 | Methyl ethyl ketone | |
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| 50 | Nickel compounds | |
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| 51 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | |
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| 52 | Octachlorostyrene | |
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| 53 | Pentachlorobenzene | |
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| 54 | Pentachloroethane | |
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| 55 | Phenol | |
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| 56 | Polychlorinated biphenyls | |
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| 57 | Polycyclic aromatic compounds | |
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| 58 | Sodium hydroxide (solution) | |
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| 59 | Sodium nitrite | |
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| 60 | Styrene | |
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| 61 | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | |
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| 62 | Tetrachloroethylene | |
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| 63 | Toluene | |
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| 64 | Trichloroethylene | |
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| 65 | Trichlorofluoromethane (CFC-11) | |
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| 66 | Vinyl chloride | |
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| 67 | Vinylidene chloride | |
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| 68 | Xylene (mixed isomers) | |
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| 69 | Zinc (fume or dust) | |
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| 70 | Zinc compounds | |
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| 71 | n-Butyl alcohol | |
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| 72 | n-Hexane | |
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| 73 | o-Cresol | |
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| 74 | p-Cresol | |
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| Other TRI Facility Information | |
| Latitude: | 30.273 |
| Longitude: | -91.180 |
| Parent Company Name: | WESTLAKE CORP |
| Parent Company's Dun and Bradstreet: | 783918485 |
| TRI Facility ID Number: | 70765GRGGLHIGHW |
| RCRA ID Number (Land): | LAD057117434 |
Download
all data WESTLAKE CHEMICALS & VINYLS LLC