Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
KOPPERS INC (GUTHRIE)
198 FAIRGROUNDS RD, GUTHRIE, KY, 42234
Parent company: KOPPERS INC
Carcinogen
PBT
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases in pounds (lbs) across all available years.
Full release table
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| All values in pounds (lbs) | ||||||
|---|---|---|---|---|---|---|
| Year | Creosote | Naphthalene | Anthracene | Dibenzofuran | Polycyclic aromatic compounds | Total (lbs) |
| 2024 | 2,500 | — | — | — | 4 | 2,504 |
| 2023 | 4,100 | — | — | — | 8 | 4,108 |
| 2022 | 3,400 | — | — | — | 6 | 3,406 |
| 2021 | 2,760 | — | — | — | 5 | 2,765 |
| 2020 | 3,200 | — | — | — | 5 | 3,205 |
| 2019 | 3,200 | — | — | — | 6 | 3,206 |
| 2018 | 3,070 | — | — | — | 5 | 3,075 |
| 2017 | 3,300 | — | — | — | 6 | 3,306 |
| 2016 | 3,800 | — | — | — | 6 | 3,806 |
| 2015 | 3,300 | — | — | — | 6 | 3,306 |
| 2014 | 2,600 | — | — | — | 4 | 2,604 |
| 2013 | 2,600 | — | — | — | 4 | 2,604 |
| 2012 | 3,400 | — | — | — | 6 | 3,406 |
| 2011 | 3,500 | — | — | — | 8 | 3,508 |
| 2010 | 3,150 | — | — | — | 6 | 3,156 |
| 2009 | 5,000 | — | — | — | 3 | 5,003 |
| 2008 | 4,900 | — | — | — | 4 | 4,904 |
| 2007 | 5,500 | — | — | — | 5 | 5,505 |
| 2006 | 4,300 | — | — | — | 3 | 4,303 |
| 2005 | 3,760 | — | — | — | 4 | 3,774 |
| 2004 | 3,670 | — | — | — | 3 | 3,673 |
| 2003 | 3,700 | — | — | — | 3 | 3,703 |
| 2002 | 3,310 | — | — | — | 440 | 3,750 |
| 2001 | 5,372 | — | — | — | 166 | 5,538 |
| 2000 | 5,500 | — | — | — | 10 | 5,510 |
| 1999 | 8,415 | — | — | — | — | 8,415 |
| 1998 | 10,241 | — | — | — | — | 10,241 |
| 1997 | 9,850 | — | — | — | — | 9,850 |
| 1996 | 11,681 | — | — | — | — | 11,681 |
| 1995 | 12,881 | — | — | — | — | 12,881 |
| 1994 | 26,700 | — | — | — | — | 26,700 |
| 1993 | 24,300 | — | — | — | — | 24,300 |
| 1992 | 23,200 | — | — | — | — | 23,200 |
| 1991 | 10,000 | — | — | — | — | 10,000 |
| 1990 | 15,026 | — | — | — | — | 15,026 |
| 1989 | — | 2,427 | 691 | 938 | — | 4,056 |
| 1988 | — | 2,508 | 955 | — | — | 3,463 |
| 1987 | — | — | — | 453 | — | 453 |
▎ Facilities report to EPA's TRI once they manufacture, process, or use a listed chemical above set thresholds. Once that threshold is crossed, they must report actual releases regardless of size — so a small number reflects genuine low-level discharge, not a data error.