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Violation Tracker Current Parent Company Summary
Current Parent Company Name: Westlake Chemical
Ownership Structure: publicly traded (ticker symbol WLK)
Headquartered in: Texas
Major Industry: chemicals
Specific Industry: chemicals
Penalty total since 2000: $120,832,544
Number of records: 125
| Top 5 Offense Groups (Groups Defined) | Penalty Total | Number of Records |
| environment-related offenses | $118,991,838 | 60 |
| safety-related offenses | $853,706 | 62 |
| government-contracting-related offenses | $500,000 | 1 |
| employment-related offenses | $475,000 | 1 |
| competition-related offenses | $12,000 | 1 |
| Top 5 Primary Offense Types | Penalty Total | Number of Records |
| environmental violation | $112,084,851 | 21 |
| air pollution violation | $5,963,407 | 29 |
| hazardous waste violation | $714,602 | 4 |
| workplace safety or health violation | $522,756 | 25 |
| False Claims Act and related | $500,000 | 1 |
Notes: Parent-subsidiary linkages are based on relationships current as of the latest revision listed in the
Update Log, which may vary from what was the case when a violation occurred. The penalty totals are adjusted to account for the fact that the individual entries below may include both agency records and settlement announcements for the same case; or else a penalty covering multiple locations may be listed in the individual records for each of the facilities. The totals are also adjusted to reflect cases in which federal and state or local agencies cooperated and issued separate announcements of the outcome. Duplicate or overlapping penalty amounts are marked with an asterisk in the list below.
Links: Subsidy Tracker data on financial assistance to this company by federal, state and local government agencies can be found
here.
Individual Penalty Records:
Click on the company or penalty amount for more information on each case.
Company  | Primary Offense Type | Year | Agency | Penalty Amount |
| WESTLAKE VINYLS & WESTLAKE PVC | air pollution violation | 2011 | KY-ENV | $100,000 |
| Westlake Vinyls Company | air pollution violation | 2015 | EPA | $99,100 |
| Westlake Vinyls Company LP | export control violation | 2016 | BIS | $12,000 |
| Westlake Vinyls Company LP | air pollution violation | 2020 | EPA | $248,245 |
| WESTLAKE VINYLS COMPANY, LP | workplace safety or health violation | 2012 | OSHA | $38,300 |
| WESTLAKE VINYLS COMPANY, LP | workplace safety or health violation | 2014 | OSHA | $7,000 |
| WESTLAKE VINYLS COMPANY, LP | workplace safety or health violation | 2020 | OSHA | $13,494 |
| WESTLAKE VINYLS CORPORATION, INC. | railroad safety violation | 2010 | FRA | $6,400 |
| WESTLAKE VINYLS CORPORATION, INC. | railroad safety violation | 2012 | FRA | $7,500 |
| WESTLAKE VINYLS INC | water pollution violation | 2015 | KY-ENV | $7,000 |
| WESTLAKE VINYLS INC | water pollution violation | 2013 | KY-ENV | $7,000 |
| WESTLAKE VINYLS INC | air pollution violation | 2020 | EPA | $14,929 |
| WESTLAKE VINYLS INC. | air pollution violation | 2007 | KY-ENV | $65,000 |
| WESTLAKE VINYLS INCORPORATED | water pollution violation | 2011 | KY-ENV | $5,000 |
| WESTLAKE VINYLS, INC. | air pollution violation | 2005 | KY-ENV | $35,000 |
| WESTLAKE VINYLS, INC. | air pollution violation | 2004 | KY-ENV | $12,500 |
| Westlake Vinyls, Inc. | railroad safety violation | 2019 | FRA | $12,750 |
| Westlake Vinyls, Inc. | railroad safety violation | 2019 | FRA | $8,500 |
| WESTLAKE VINYLS, INC. | workplace safety or health violation | 2005 | OSHA | $9,000 |
| WESTLAKE VINYLS, INC. | workplace safety or health violation | 2007 | OSHA | $14,000 |
| WESTLAKE VINYLS, INC. | workplace safety or health violation | 2011 | OSHA | $12,000 |
| WESTLAKE VINYLS, INC. | air pollution violation | 2011 | EPA | $800,000 |
| WESTLAKE VINYLS, INC. | air pollution violation | 2011 | EPA | $37,500 |
| WESTLAKE VINYLS, INC. | air pollution violation | 2019 | EPA | $232,468 |
| WESTLAKE VINYLS, INC. | environmental violation | 2020 | EPA | $41,070 |
