Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
1000 W MT PLEASANT RD, ZACHARY, LA, 70791
Parent company: KOCH INC
Reported on-site TRI releases in pounds, grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases across all available years.
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| Year | Methanol | Manganese compounds | Ammonia | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Chloroform | Total |
|---|---|---|---|---|---|---|
| 2024 | — | — | — | — | — | 29 |
| 2023 | — | — | — | — | — | 30 |
| 2020 | — | — | — | — | — | 37,180 |
| 2019 | 199,200 | — | 33,500 | — | — | 464,623 |
| 2018 | 366,900 | — | 120,500 | 62,000 | — | 932,248 |
| 2017 | 354,700 | 228,114 | 114,500 | 62,000 | — | 1,203,561 |
| 2016 | 362,700 | 224,122 | 119,500 | 68,000 | — | 1,155,810 |
| 2015 | 414,000 | 226,131 | 126,500 | 73,000 | — | 1,138,253 |
| 2014 | 453,000 | 234,130 | 126,500 | 79,000 | — | 1,112,147 |
| 2013 | 415,000 | 206,140 | 136,500 | 84,000 | — | 1,255,818 |
| 2012 | 411,000 | 206,150 | 166,500 | 81,000 | — | 1,208,018 |
| 2011 | 232,000 | 242,172 | 175,500 | 87,000 | — | 832,988 |
| 2010 | 312,744 | 240,477 | 171,704 | 88,591 | — | 916,762 |
| 2009 | 323,831 | 213,634 | 181,450 | 91,586 | — | 937,603 |
| 2008 | 324,319 | 296,195 | 172,418 | 85,321 | — | 998,140 |
| 2007 | 326,326 | 285,444 | 212,181 | 77,315 | — | 1,103,550 |
| 2006 | 330,753 | 330,773 | 224,731 | 79,173 | — | 1,185,273 |
| 2005 | 341,465 | 380,463 | 221,432 | 79,260 | — | 1,234,032 |
| 2004 | 369,126 | 534,152 | 188,824 | 75,267 | — | 1,449,426 |
| 2003 | 373,705 | 211,893 | 119,109 | 74,557 | — | 1,005,968 |
| 2002 | 351,560 | 228,848 | 110,789 | 68,862 | — | 955,844 |
| 2001 | 732,817 | 116,216 | 160,095 | 75,544 | — | 1,338,241 |
| 2000 | 2,332,463 | 252,704 | 160,095 | 91,900 | — | 3,292,540 |
| 1999 | 892,800 | 260,183 | 151,500 | 83,000 | — | 1,618,816 |
| 1998 | 1,086,900 | 333,000 | 152,000 | 105,400 | — | 2,073,907 |
| 1997 | 1,289,765 | 401,600 | 110,400 | 114,000 | 84,807 | 2,360,519 |
| 1996 | 1,270,765 | — | 117,500 | 110,000 | 87,732 | 1,821,508 |
| 1995 | 1,402,400 | — | 116,250 | 110,000 | 141,150 | 1,987,320 |
| 1994 | 1,305,000 | — | 91,250 | 110,000 | 188,850 | 1,892,570 |
| 1993 | 1,543,000 | — | — | 7,100 | 284,950 | 2,137,475 |
| 1992 | 1,744,600 | — | — | 7,100 | 263,250 | 2,223,005 |
| 1991 | 1,853,200 | — | — | 5,900 | 281,000 | 2,385,110 |
| 1990 | 626,800 | — | — | 750 | 275,050 | 1,061,505 |
| 1989 | 633,150 | — | — | 750 | 302,850 | 1,147,750 |
| 1988 | — | — | — | — | — | 10,432 |
| 1987 | — | — | — | — | — | 341,500 |