Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
PHILLIPS 66 CO SWEENY REFINERY COMPLEX
8189 OLD FM 524, OLD OCEAN, TX, 77463
Parent company: PHILLIPS 66 CO
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 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | n-Hexane | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Benzene | Ethylene | Total |
|---|---|---|---|---|---|---|
| 2024 | 678,814 | 38,682 | 32,437 | 22,923 | 3,358 | 908,329 |
| 2023 | 670,528 | 37,677 | 35,221 | 20,788 | 3,616 | 915,784 |
| 2022 | 1,387,540 | 103,390 | 39,538 | 22,458 | 4,041 | 1,684,022 |
| 2021 | 305,552 | 115,642 | 29,000 | 7,253 | 7,800 | 544,777 |
| 2020 | 702,751 | 86,020 | 67,000 | 20,142 | 3,300 | 979,332 |
| 2019 | 658,575 | 122,756 | 79,000 | 11,224 | 2,900 | 1,007,099 |
| 2018 | 583,645 | 123,372 | 87,000 | 12,400 | 4,300 | 980,851 |
| 2017 | 600,996 | 105,420 | 80,000 | 11,500 | 5,171 | 992,521 |
| 2016 | 583,117 | 29,000 | 83,000 | 12,100 | 5,600 | 914,862 |
| 2015 | 881,141 | 29,000 | 82,000 | 13,200 | 5,300 | 1,213,496 |
| 2014 | 621,089 | 54,000 | 65,000 | 25,000 | 4,900 | 1,012,559 |
| 2013 | 594,186 | 52,000 | 77,000 | 29,100 | 10,800 | 996,320 |
| 2012 | 422,108 | 57,300 | 77,000 | 30,816 | 9,554 | 1,256,786 |
| 2011 | 959,873 | 45,000 | 87,000 | 35,315 | 7,700 | 1,293,003 |
| 2010 | 518,217 | 100,249 | 111,000 | 23,900 | 8,600 | 921,632 |
| 2009 | 408,859 | 116,000 | 99,000 | 35,200 | 12,800 | 818,903 |
| 2008 | 560,000 | 120,000 | 97,000 | 35,200 | 9,130 | 981,426 |
| 2007 | 531,392 | 94,000 | 67,000 | 21,300 | 10,900 | 909,684 |
| 2006 | 344,089 | 164,130 | 78,001 | 76,125 | 4,769 | 890,814 |
| 2005 | 199,744 | 150,255 | 37,904 | 77,814 | 12,769 | 903,872 |
| 2004 | 43,203 | 107,429 | 124,965 | 31,390 | 7,573 | 559,610 |
| 2003 | 56,027 | 106,475 | 126,522 | 29,830 | 8,797 | 559,962 |
| 2002 | — | 110,825 | 194,715 | 34,505 | 8,379 | 582,132 |
| 2001 | — | 110,825 | 194,715 | 34,505 | 8,379 | 594,848 |
| 2000 | — | 153,249 | 185,186 | 45,203 | 7,373 | 693,146 |
| 1999 | — | 156,577 | 224,469 | 50,270 | 148,077 | 1,059,392 |
| 1998 | — | 165,100 | 224,000 | 66,600 | 205,300 | 1,151,758 |
| 1997 | — | 164,000 | — | 65,041 | 158,000 | 784,636 |
| 1996 | — | 216,000 | — | 56,000 | 163,000 | 685,461 |
| 1995 | — | 259,000 | — | 69,500 | 153,000 | 1,089,442 |
| 1994 | — | — | — | 60,810 | 84,153 | 677,388 |
| 1993 | — | — | — | 86,135 | 104,011 | 847,754 |
| 1992 | — | — | — | 170,363 | 242,589 | 1,107,414 |
| 1991 | — | — | — | 149,729 | 216,492 | 989,822 |
| 1990 | — | — | — | 132,100 | 291,000 | 858,041 |
| 1989 | — | — | — | 33,300 | 280,000 | 672,876 |
| 1988 | — | — | — | 994,800 | 330,000 | 1,819,864 |
| 1987 | — | — | — | — | — | 95,656 |