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Violation Tracker Current Parent Company Summary
Current Parent Company Name: Koppers
Ownership Structure: publicly traded (ticker symbol KOP)
Headquartered in: Pennsylvania
Major Industry: chemicals
Specific Industry: chemicals
Penalty total since 2000: $13,767,248
Number of records: 92
| Top 5 Offense Groups (Groups Defined) | Penalty Total | Number of Records |
| environment-related offenses | $11,978,624 | 49 |
| financial offenses | $1,300,000 | 1 |
| safety-related offenses | $419,185 | 39 |
| employment-related offenses | $69,439 | 3 |
| Top 5 Primary Offense Types | Penalty Total | Number of Records |
| environmental violation | $11,978,624 | 49 |
| investor protection violation | $1,300,000 | 1 |
| railroad safety violation | $258,300 | 30 |
| workplace safety or health violation | $160,885 | 9 |
| wage and hour violation | $49,439 | 2 |
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 |
| Joel R. Tiggett, President | environmental violation | 2004 | EPA | $10,098 |
| Koppers | environmental violation | 2016 | EPA | $160,000 |
| Koppers Holdings Inc. | investor protection violation | 2022 | SEC | $1,300,000 |
| Koppers Inc | wage and hour violation | 2009 | WHD | $5,396 |
| KOPPERS INC | environmental violation | 2001 | PA-ENV | $81,220 |
| KOPPERS INC | environmental violation | 2000 | PA-ENV | $72,600 |
| KOPPERS INC | environmental violation | 2011 | PA-ENV | $185,000 |
| KOPPERS INC | environmental violation | 2010 | PA-ENV | $19,900 |
| KOPPERS INC | environmental violation | 2010 | PA-ENV | $605,000 |
| KOPPERS INC | environmental violation | 2010 | PA-ENV | $11,905 |
| KOPPERS INC | environmental violation | 2009 | PA-ENV | $8,450 |
| KOPPERS INC | environmental violation | 2007 | PA-ENV | $16,000 |
| KOPPERS INC | environmental violation | 2006 | PA-ENV | $9,750 |
| KOPPERS INC | environmental violation | 2005 | PA-ENV | $42,000 |
| KOPPERS INC | environmental violation | 2004 | PA-ENV | $36,270 |
| KOPPERS INC | environmental violation | 2004 | PA-ENV | $14,000 |
| KOPPERS INC | environmental violation | 2004 | PA-ENV | $6,600 |
| KOPPERS INC | environmental violation | 2002 | PA-ENV | $6,050 |
| KOPPERS INC | environmental violation | 2001 | PA-ENV | $29,200 |
| KOPPERS INC | environmental violation | 2000 | PA-ENV | $16,900 |
| KOPPERS INC | environmental violation | 2023 | EPA | $172,314 |
| Koppers Inc. | railroad safety violation | 2009 | FRA | $8,000 |
| Koppers Inc. | railroad safety violation | 2011 | FRA | $15,000 |
| Koppers Inc. | railroad safety violation | 2010 | FRA | $10,000 |
| Koppers Inc. | railroad safety violation | 2010 | FRA | $7,000 |
| Koppers Inc. | railroad safety violation | 2010 | FRA | $10,000 |
| Koppers Inc. | railroad safety violation | 2010 | FRA | $12,500 |
| Koppers Inc. | railroad safety violation | 2011 | FRA | $10,000 |
| Koppers Inc. | railroad safety violation | 2011 | FRA | $10,000 |
| Koppers Inc. | railroad safety violation | 2011 | FRA | $10,000 |
| Koppers Inc. | railroad safety violation | 2013 | FRA | $6,800 |
| Koppers Inc. | railroad safety violation | 2013 | FRA | $5,000 |
| Koppers Inc. | railroad safety violation | 2009 | FRA | $10,000 |
| Koppers Inc. | labor relations violation | 2004 | NLRB | $20,000 |
| Koppers Inc. | railroad safety violation | 2001 | FRA | $8,000 |
| Koppers Inc. | railroad safety violation | 2003 | FRA | $8,000 |
| Koppers Inc. | railroad safety violation | 2002 | FRA | $5,000 |
| Koppers Inc. | railroad safety violation | 2004 | FRA | $5,000 |
| Koppers Inc. | railroad safety violation | 2005 | FRA | $7,500 |
| Koppers Inc. | railroad safety violation | 2004 | FRA | $15,000 |
| Koppers Inc. | railroad safety violation | 2005 | FRA | $5,000 |
| Koppers Inc. | railroad safety violation | 2006 | FRA | $10,000 |
| Koppers Inc. | railroad safety violation | 2007 | FRA | $8,000 |
| Koppers Inc. | railroad safety violation | 2008 | FRA | $5,000 |
| Koppers Inc. | railroad safety violation | 2008 | FRA | $7,500 |
| Koppers Inc. | railroad safety violation | 2003 | FRA | $5,000 |
| Koppers Inc. | railroad safety violation | 2000 | FRA | $8,000 |
| Koppers Inc. | railroad safety violation | 2017 | FRA | $6,000 |
| Koppers Inc. | environmental violation | 2020 | EPA | $800,000 |
| Koppers Inc. | environmental violation | 2016 | AR-ENV | $13,750 |
| Koppers Inc. | environmental violation | 2009 | CO-DPHE | $8,213 |
| Koppers Inc. | environmental violation | 2007 | CO-DPHE | $7,800 |
| KOPPERS INC. | environmental violation | 2011 | WV-ENV | $19,000 |
| KOPPERS INC. | environmental violation | 2005 | WV-ENV | $25,000 |
| Koppers Inc. | railroad safety violation | 2020 | FRA | $7,500 |
| Koppers Inc. | railroad safety violation | 2022 | FRA | $10,000 |
| KOPPERS INC. | workplace safety or health violation | 2008 | OSHA | $6,750 |
| KOPPERS INC. | workplace safety or health violation | 2010 | OSHA | $9,281 |
| KOPPERS INC. | workplace safety or health violation | 2011 | OSHA | $36,000 |
| KOPPERS INC. | workplace safety or health violation | 2010 | OSHA | $7,125 |
| KOPPERS INC. | workplace safety or health violation | 2011 | OSHA | $6,600 |
| KOPPERS INC. | workplace safety or health violation | 2019 | OSHA | $7,104 |
| KOPPERS INC. | environmental violation | 2006 | EPA | $218,000 |
| Koppers Inc. (Galesburg, IL) | environmental violation | 2013 | EPA | $9,740 |
| KOPPERS INDUSTRIES | environmental violation | 2008 | EPA | $750,676 |
| KOPPERS INDUSTRIES | environmental violation | 2002 | EPA | $15,750 |
| KOPPERS INDUSTRIES | environmental violation | 2008 | EPA | $1,353,968 |
| Koppers Industries | environmental violation | 2008 | EPA | $570,281 |
| KOPPERS INDUSTRIES | environmental violation | 2008 | EPA | $154,995 |
| KOPPERS INDUSTRIES INC | environmental violation | 2003 | EPA | $138,095 |
| Koppers Industries Inc. | environmental violation | 2002 | USAO | $3,000,000 |
| Koppers Industries, Inc. | environmental violation | 2003 | EPA | $2,900,000 |
| KOPPERS INDUSTRIES, INC. | workplace safety or health violation | 2004 | OSHA | $72,500 |
| KOPPERS INDUSTRIES, INC. | workplace safety or health violation | 2012 | OSHA | $9,000 |
| KOPPERS, INC | environmental violation | 2010 | SC-ENV | $6,859 |
| KOPPERS, INC | environmental violation | 2008 | SC-ENV | $5,000 |
| KOPPERS, INC | environmental violation | 2008 | SC-ENV | $15,400 |
| KOPPERS, INC | environmental violation | 2010 | EPA | $27,000 |
| KOPPERS, INC | environmental violation | 2012 | EPA | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $75,000 |
| KOPPERS, INC | environmental violation | 2021 | EPA | (*)Penalty amounts marked by an asterisk are ones announced by more than one agency. Parent penalty totals are adjusted to avoid double-counting. $800,000 |
| Koppers, Inc. | environmental violation | 2012 | EPA | $75,000 |
| KOPPERS, INC. | railroad safety violation | 2009 | FRA | $7,500 |
| KOPPERS, INC. | railroad safety violation | 2009 | FRA | $16,000 |
| Koppers, Inc. | wage and hour violation | 2009 | WHD | $44,043 |
| Koppers, Inc. | environmental violation | 2013 | AR-ENV | $6,400 |
| KOPPERS, INC. | environmental violation | 2003 | SC-ENV | $13,600 |
| Koppers, Inc. | environmental violation | 2019 | SC-ENV | $7,000 |
| KOPPERS, INC. | workplace safety or health violation | 2005 | OSHA | $6,525 |
| KOPPERS, INC. | environmental violation | 2018 | EPA | $12,116 |
| KOPPERS, INC. | environmental violation | 2006 | EPA | $20,964 |
| KOPPERS, INC. | environmental violation | 2013 | EPA | $6,870 |
| KOPPERS, INC. | environmental violation | 2008 | EPA | $293,890 |
