Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MOTIVA-PORT ARTHUR REFINERY
2555 SAVANNAH AVE, PORT ARTHUR, TX, 77640
Parent company: ARAMCO SERVICES CO
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 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Ammonia | Hydrogen cyanide | Methyl ethyl ketone | Toluene | Total (lbs) |
| 2024 | — | 58,406 | 272,611 | — | 31,473 | 492,082 |
| 2023 | — | 56,683 | 312,481 | — | 33,225 | 497,368 |
| 2022 | — | 77,053 | 310,651 | — | 34,804 | 554,629 |
| 2021 | — | 73,326 | 279,168 | — | 34,055 | 526,825 |
| 2020 | — | 60,799 | 226,029 | — | 32,793 | 420,052 |
| 2019 | — | 36,930 | 330,373 | — | 37,806 | 490,883 |
| 2018 | — | 48,744 | 332,433 | — | 35,290 | 524,169 |
| 2017 | 1,255,391 | 67,826 | 274,452 | — | 16,058 | 1,702,682 |
| 2016 | 1,199,882 | 66,073 | — | — | 14,939 | 1,386,692 |
| 2015 | 1,220,851 | 79,401 | — | — | 13,893 | 1,439,775 |
| 2014 | 1,121,620 | 76,233 | — | — | 11,823 | 1,309,414 |
| 2013 | 1,121,573 | 68,008 | — | — | 9,024 | 1,289,873 |
| 2012 | 1,065,813 | 81,513 | — | — | 13,476 | 1,215,454 |
| 2011 | 813,405 | 23,477 | — | — | 7,121 | 883,044 |
| 2010 | 773,172 | 13,340 | — | — | 5,824 | 865,794 |
| 2009 | 678,464 | 41,579 | — | — | 17,262 | 934,725 |
| 2008 | 657,262 | 45,936 | — | — | 19,030 | 841,951 |
| 2007 | 674,361 | 41,299 | — | — | 16,721 | 835,865 |
| 2006 | 771,047 | 37,940 | — | — | 22,115 | 2,185,032 |
| 2005 | 1,456,783 | 35,049 | — | — | 4,445 | 1,558,123 |
| 2004 | 1,604,589 | 29,086 | — | — | 5,981 | 1,725,550 |
| 2003 | 931,933 | 3,996 | — | 292 | 6,133 | 1,281,570 |
| 2002 | 2,244,853 | 2,954 | — | 663 | 8,270 | 2,337,511 |
| 2001 | 1,218,787 | 1,227 | — | 354 | 5,273 | 1,286,120 |
| 2000 | 1,603,690 | 7,730 | — | 540 | 8,309 | 1,725,414 |
| 1999 | 35,200 | 8,300 | — | 10 | 6,774 | 205,597 |
| 1998 | 35,200 | 277,300 | — | 156,800 | 80,700 | 755,805 |
| 1997 | 142,000 | 391,000 | — | 203,500 | 104,405 | 1,075,596 |
| 1996 | 6,806 | 319,100 | — | 95,800 | 60,900 | 634,190 |
| 1995 | 7,475 | 451,100 | — | 200,250 | 101,600 | 859,123 |
| 1994 | — | 547,415 | — | 160,676 | 138,510 | 1,195,894 |
| 1993 | — | 595,246 | — | 234,707 | 130,851 | 1,147,952 |
| 1992 | — | 958,171 | — | 226,941 | 170,052 | 1,731,418 |
| 1991 | — | 905,011 | — | 199,820 | 157,841 | 1,677,014 |
| 1990 | — | 1,369,787 | — | 196,268 | 266,546 | 2,395,066 |
| 1989 | — | 1,638,088 | — | 495,825 | 502,221 | 3,175,719 |
| 1988 | — | — | — | — | — | 369,446 |
| 1987 | — | — | — | — | — | 834,640 |
▎ 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.