Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
KOPPERS INC WOODWARD TAR PLANT
1835 KOPPERS DR, DOLOMITE, AL, 35061
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 | Naphthalene | Benzene | Creosote | 2-Methylpyridine | Polycyclic aromatic compounds | Total (lbs) |
| 2003 | 16,343 | 16,848 | — | 7,424 | 660 | 43,554 |
| 2002 | 22,940 | 23,011 | — | 10,015 | 1,056 | 59,824 |
| 2001 | 27,598 | 29,590 | — | 13,301 | 853 | 80,073 |
| 2000 | 25,438 | 10,950 | — | — | 1,359 | 41,006 |
| 1999 | 22,111 | 5,570 | 4,050 | — | 798 | 34,753 |
| 1998 | 46,231 | 29,987 | 2,348 | — | 198 | 80,729 |
| 1997 | 16,367 | 6,615 | 23,606 | — | 2,787 | 50,875 |
| 1996 | 6,680 | 4,805 | 8,450 | — | 255 | 21,190 |
| 1995 | 7,323 | 7,471 | 12,840 | — | 255 | 28,889 |
| 1994 | 6,350 | 5,705 | 12,600 | — | — | 27,175 |
| 1993 | 5,450 | 5,205 | 8,050 | — | — | 20,725 |
| 1992 | 3,420 | 4,385 | 15,300 | — | — | 25,125 |
| 1991 | 3,150 | 2,305 | — | — | — | 7,475 |
| 1990 | 2,851 | 2,326 | 28,509 | — | — | 35,981 |
| 1989 | 8,500 | 3,008 | — | — | — | 14,758 |
| 1988 | 12,603 | — | — | — | — | 15,603 |
| 1987 | — | — | — | — | — | 500 |
▎ 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.