Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
EXXONMOBIL BAYTOWN CHEMICAL PLANT (PART)
5000 BAYWAY DR, BAYTOWN, TX, 77520
Parent company: EXXON MOBIL CORP
Carcinogen
PBT
— EPA classifications across all reporting years
Top chemical totals
The 10 chemicals with the highest cumulative on-site releases 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.
| Year | Chloromethane | Propylene | Ammonia | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Ethylene | Total |
|---|---|---|---|---|---|---|
| 2024 | 153,403 | 229,000 | 8,444 | 61,009 | 164,000 | 960,524 |
| 2023 | 173,201 | 316,000 | 5,292 | 58,000 | 160,000 | 1,097,218 |
| 2022 | 45,901 | 280,000 | 10,694 | 67,000 | 309,600 | 1,133,229 |
| 2021 | 92,101 | 300,000 | 9,618 | 39,001 | 164,000 | 963,942 |
| 2020 | 58,501 | 290,000 | 9,394 | 54,002 | 164,000 | 1,012,807 |
| 2019 | 53,036 | 260,000 | 4,894 | 30,006 | 103,000 | 883,923 |
| 2018 | 23,504 | 225,000 | 7,261 | 53,018 | 119,000 | 828,716 |
| 2017 | 87,205 | 248,000 | 10,509 | 41,002 | 91,000 | 890,551 |
| 2016 | 131,600 | 230,000 | 8,813 | 51,025 | 83,000 | 914,342 |
| 2015 | 122,538 | 215,000 | 8,716 | 95,004 | 84,000 | 861,425 |
| 2014 | 128,144 | 213,114 | 10,643 | 59,805 | 75,921 | 857,274 |
| 2013 | 101,120 | 214,000 | 17,888 | 39,002 | 84,000 | 860,220 |
| 2012 | 110,241 | 220,000 | 10,280 | 100,001 | 84,000 | 941,692 |
| 2011 | 108,958 | 206,991 | 6,961 | 78,714 | 63,452 | 874,516 |
| 2010 | 111,631 | 210,300 | 48,889 | 91,801 | 46,100 | 904,633 |
| 2009 | 169,141 | 202,000 | 61,180 | 60,214 | 20,100 | 883,539 |
| 2008 | 400,560 | 170,200 | 94,673 | 161,008 | 44,200 | 1,205,401 |
| 2007 | 312,052 | 210,400 | 89,626 | 250,010 | 66,400 | 1,287,067 |
| 2006 | 429,965 | 289,648 | 101,939 | 171,260 | 47,215 | 1,398,895 |
| 2005 | 321,134 | 597,030 | 79,070 | 114,429 | 86,045 | 1,578,595 |
| 2004 | 321,429 | 545,367 | 86,736 | 108,352 | 44,734 | 1,718,705 |
| 2003 | 327,846 | 491,511 | 82,755 | 210,939 | 39,212 | 1,658,817 |
| 2002 | 82,700 | 398,512 | 129,461 | 446,808 | 67,231 | 1,558,218 |
| 2001 | 114,986 | 314,229 | 307,035 | 459,715 | 25,507 | 1,709,473 |
| 2000 | 101,593 | 246,101 | 638,208 | 254,623 | 21,581 | 1,710,696 |
| 1999 | 677,945 | 483,375 | 1,557,406 | 254,629 | 39,606 | 3,549,109 |
| 1998 | 332,953 | 307,895 | 1,554,438 | 397,597 | 41,388 | 3,247,113 |
| 1997 | 338,536 | 437,131 | 1,071,818 | 200,246 | 66,836 | 2,632,319 |
| 1996 | 430,150 | 259,000 | 273,109 | 190,000 | 55,000 | 1,615,897 |
| 1995 | 400,170 | 200,000 | 280,640 | 200,230 | 33,300 | 1,541,944 |
| 1994 | 840,190 | 183,000 | 282,192 | 160,000 | 199,000 | 2,238,981 |
| 1993 | 1,180,000 | 195,000 | 276,000 | 130,000 | 234,000 | 2,575,443 |
| 1992 | 1,060,000 | 153,000 | 387,000 | 160,000 | 268,000 | 2,653,825 |
| 1991 | 1,140,000 | 346,000 | 838,000 | 300,000 | 356,900 | 3,635,398 |
| 1990 | 1,380,000 | 353,000 | 851,000 | 340,000 | 31,800 | 3,527,372 |
| 1989 | 1,940,058 | 320,000 | 835,000 | 360,000 | 528,000 | 4,621,655 |
| 1988 | 2,100,049 | — | — | 320,000 | — | 2,581,060 |
| 1987 | 2,600,000 | — | — | — | — | 2,715,042 |