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Westlake Corporation: Toxic releases records
Toxic releases: 22 records from the U.S. Environmental Protection Agency, all dated Dec 31, 2024.
Newest first. Each links to the agency's own record. Back to the report card.
| Date | Agency | What the agency recorded | Amount or outcome | Record | Retrieved | Matched | Report |
|---|---|---|---|---|---|---|---|
| Dec 31, 2024 | U.S. Environmental Protection Agency | TRI 2024: WESTLAKE US 2 LLC - LONGVIEW, LONGVIEW, WA reported 9,851 pounds of on-site releases (2 chemical reports); parent company reported: WESTLAKE CORP | 9,851 pounds released on site | Source record | Oct 28, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2024 | U.S. Environmental Protection Agency | TRI 2024: WESTLAKE ROYAL ROOFING - CORONA, CORONA, CA reported 17 pounds of on-site releases (2 chemical reports); parent company reported: WESTLAKE CORP | 17 pounds released on site | Source record | Oct 28, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2024 | U.S. Environmental Protection Agency | TRI 2024: WESTLAKE EPOXY INC.- DEER PARK SITE, DEER PARK, TX reported 46,475 pounds of on-site releases (4 chemical reports); parent company reported: WESTLAKE CORP | 46,475 pounds released on site | Source record | Oct 28, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2024 | U.S. Environmental Protection Agency | TRI 2024: WESTLAKE LONGVIEW CORP, LONGVIEW, TX reported 1,069,194 pounds of on-site releases (11 chemical reports); parent company reported: WESTLAKE CORP | 1,069,194 pounds released on site | Source record | Oct 28, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2024 | U.S. Environmental Protection Agency | TRI 2024: WESTLAKE CHEMICALS & VINYLS LLC, PLAQUEMINE, LA reported 521,012 pounds of on-site releases (57 chemical reports); parent company reported: WESTLAKE CORP | 521,012 pounds released on site | Source record | Oct 28, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2024 | U.S. Environmental Protection Agency | TRI 2024: WESTLAKE VINYLS CO, GEISMAR, LA reported 168,109 pounds of on-site releases (29 chemical reports); parent company reported: WESTLAKE CORP | 168,109 pounds released on site | Source record | Oct 28, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2024 | U.S. Environmental Protection Agency | TRI 2024: WESTLAKE US 2 LLC, WESTLAKE, LA reported 464,466 pounds of on-site releases (54 chemical reports); parent company reported: WESTLAKE CORP | 464,466 pounds released on site | Source record | Oct 28, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2024 | U.S. Environmental Protection Agency | TRI 2024: WESTLAKE CHEMICALS & VINYLS LLC, WESTLAKE, LA reported 75,886 pounds of on-site releases (25 chemical reports); parent company reported: WESTLAKE CORP | 75,886 pounds released on site | Source record | Oct 28, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2024 | U.S. Environmental Protection Agency | TRI 2024: WESTLAKE STYRENE LLC - STYRENE MARINE TERMINAL, SULPHUR, LA reported 15,133 pounds of on-site releases (2 chemical reports); parent company reported: WESTLAKE CORP | 15,133 pounds released on site | Source record | Oct 28, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2024 | U.S. Environmental Protection Agency | TRI 2024: WESTLAKE PETROCHEMICALS ETHYLENE, SULPHUR, LA reported 275,655 pounds of on-site releases (42 chemical reports); parent company reported: WESTLAKE CORP | 275,655 pounds released on site | Source record | Oct 28, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2024 | U.S. Environmental Protection Agency | TRI 2024: WESTLAKE POLYMERS LLC, SULPHUR, LA reported 449,787 pounds of on-site releases (4 chemical reports); parent company reported: WESTLAKE CORP | 449,787 pounds released on site | Source record | Oct 28, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2024 | U.S. Environmental Protection Agency | TRI 2024: WESTLAKE EPOXY INC, BEDFORD PARK, IL reported 29,604 pounds of on-site releases (9 chemical reports); parent company reported: WESTLAKE CORP | 29,604 pounds released on site | Source record | Oct 28, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2024 | U.S. Environmental Protection Agency | TRI 2024: ROYAL BUILDING PRODUCTS, METAMORA, MI reported 144 pounds of on-site releases (2 chemical reports); parent company reported: WESTLAKE CORP | 144 pounds released on site | Source record | Oct 28, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2024 | U.S. Environmental Protection Agency | TRI 2024: WESTLAKE VINYLS INC, CALVERT CITY, KY reported 207,130 pounds of on-site releases (48 chemical reports); parent company reported: WESTLAKE CORP | 207,130 pounds released on site | Source record | Oct 28, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2024 | U.S. Environmental Protection Agency | TRI 2024: WESTLAKE VINYLS INC. - PVC PLANT, CALVERT CITY, KY reported 153,757 pounds of on-site releases (5 chemical reports); parent company reported: WESTLAKE CORP | 153,757 pounds released on site | Source record | Oct 28, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2024 | U.S. Environmental Protection Agency | TRI 2024: WESTLAKE COMPOUNDS LLC, PRAIRIE, MS reported 0 pounds of on-site releases (5 chemical reports); parent company reported: WESTLAKE CORP | 0 pounds released on site | Source record | Oct 28, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2024 | U.S. Environmental Protection Agency | TRI 2024: WESTLAKE CHEMICALS & VINYLS LLC, ABERDEEN, MS reported 16,536 pounds of on-site releases (9 chemical reports); parent company reported: WESTLAKE CORP | 16,536 pounds released on site | Source record | Oct 28, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2024 | U.S. Environmental Protection Agency | TRI 2024: WESTLAKE COMPOUNDS LLC, MADISON, MS reported 249 pounds of on-site releases (5 chemical reports); parent company reported: WESTLAKE CORP | 249 pounds released on site | Source record | Oct 28, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2024 | U.S. Environmental Protection Agency | TRI 2024: WESTLAKE EPOXY INC, LAKELAND, FL reported 19,802 pounds of on-site releases (7 chemical reports); parent company reported: WESTLAKE CORP | 19,802 pounds released on site | Source record | Oct 28, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2024 | U.S. Environmental Protection Agency | TRI 2024: WESTLAKE ROYAL BUILDING PRODUCTS INC - PLANT 1, EAST SPENCER, NC reported 2 pounds of on-site releases (4 chemical reports); parent company reported: WESTLAKE CORP | 2 pounds released on site | Source record | Oct 28, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2024 | U.S. Environmental Protection Agency | TRI 2024: WESTLAKE NATRIUM LLC, PROCTOR, WV reported 38,001 pounds of on-site releases (6 chemical reports); parent company reported: WESTLAKE CORP | 38,001 pounds released on site | Source record | Oct 28, 2026 | matched by the parent company the agency reports | Report an error |
| Dec 31, 2024 | U.S. Environmental Protection Agency | TRI 2024: WESTLAKE ROYAL BUILDING PRODUCTS, MARION, VA reported 501 pounds of on-site releases (5 chemical reports); parent company reported: WESTLAKE CORP | 501 pounds released on site | Source record | Oct 28, 2026 | matched by the parent company the agency reports | Report an error |
CSWH is not affiliated with these agencies.