Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
EXXONMOBIL MONT BELVIEU PLASTICS PLANT
13330 HATCHERVILLE RD, BAYTOWN, TX, 77521
Parent company: EXXON MOBIL CORP
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 | Ethylene | n-Hexane | Toluene | Zinc compounds | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total (lbs) |
| 2024 | 85,744 | 48,194 | 6,095 | 435 | — | 140,468 |
| 2023 | 94,134 | 44,832 | 6,228 | 407 | — | 145,601 |
| 2022 | 76,536 | 49,129 | 4,592 | 428 | — | 130,685 |
| 2021 | 99,776 | 45,951 | 5,751 | 502 | — | 151,981 |
| 2020 | 112,371 | 42,167 | 4,591 | 610 | — | 159,739 |
| 2019 | 93,026 | 33,004 | 3,309 | 668 | — | 130,007 |
| 2018 | 115,303 | 56,386 | 6,598 | 418 | — | 178,707 |
| 2017 | 53,612 | 53,506 | 5,296 | 345 | — | 112,760 |
| 2016 | 93,719 | 64,457 | 6,406 | 290 | — | 164,872 |
| 2015 | 97,423 | 52,336 | 4,765 | 300 | — | 154,824 |
| 2014 | 97,902 | 48,835 | 5,508 | 228 | — | 152,473 |
| 2013 | 101,514 | 40,012 | 4,768 | 203 | — | 146,497 |
| 2012 | 90,784 | 49,538 | 5,325 | 221 | — | 145,868 |
| 2011 | 89,441 | 38,578 | 1,573 | 230 | — | 129,822 |
| 2010 | 95,270 | 39,730 | 1,340 | 210 | — | 136,550 |
| 2009 | 89,930 | 41,160 | 1,464 | 170 | — | 132,724 |
| 2008 | 88,250 | 29,040 | 1,170 | 150 | — | 118,610 |
| 2007 | 95,235 | 52,845 | 1,656 | 163 | — | 149,899 |
| 2006 | 90,351 | 51,354 | 1,618 | 177 | — | 143,500 |
| 2005 | 113,784 | 117,419 | 1,231 | 302 | — | 232,736 |
| 2004 | 100,674 | 97,343 | 2,032 | 225 | — | 200,274 |
| 2003 | 79,100 | 84,847 | 2,922 | 189 | — | 167,058 |
| 2002 | 80,667 | 79,510 | 2,962 | 247 | — | 163,386 |
| 2001 | 60,535 | 84,710 | 3,236 | 195 | — | 149,558 |
| 2000 | 107,882 | 56,532 | 2,950 | 168 | — | 167,782 |
| 1999 | 76,000 | 58,000 | 3,290 | 228 | — | 137,770 |
| 1998 | 57,000 | 51,000 | 2,600 | 182 | — | 111,004 |
| 1997 | 46,000 | 52,000 | 730 | — | — | 98,952 |
| 1996 | 55,000 | 51,700 | 780 | — | — | 107,632 |
| 1995 | 65,000 | 51,000 | 280 | — | — | 116,432 |
| 1994 | 59,000 | — | 91 | — | 1,112 | 60,355 |
| 1993 | 62,000 | — | — | — | 1,112 | 63,264 |
| 1992 | 94,000 | — | — | — | 1,112 | 95,264 |
| 1991 | 97,000 | — | — | — | 1,112 | 98,234 |
| 1990 | 68,000 | — | — | — | 1,112 | 69,193 |
| 1989 | 67,000 | — | — | — | 1,112 | 68,166 |
| 1988 | — | — | — | — | 1,112 | 1,112 |
| 1987 | 65,000 | — | — | — | — | 65,000 |
▎ 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.