Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
WESTLAKE CHEMICALS & VINYLS LLC
26100 HWY 405 S, PLAQUEMINE, LA, 70764
Parent company: WESTLAKE CHEMICAL 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 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Chlorodifluoromethane (HCFC-22) | Cumene | Methanol | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Total |
|---|---|---|---|---|---|---|
| 2024 | 70,171 | 265,095 | 79 | 42,220 | 78,965 | 521,008 |
| 2023 | 62,012 | 75,000 | 82 | 1,489 | 62,927 | 311,884 |
| 2022 | 198,146 | 11,000 | 83 | 996 | 41,009 | 354,890 |
| 2021 | 109,232 | — | 86 | 22,180 | 47,038 | 275,560 |
| 2020 | 87,141 | 77,405 | 75 | 24,197 | 43,698 | 305,339 |
| 2019 | 165,854 | 82,610 | 1,778 | 23,490 | 43,735 | 382,998 |
| 2018 | 208,926 | 37,687 | 33,504 | 25,130 | 45,025 | 410,529 |
| 2017 | 211,879 | 24,104 | 19,675 | 24,232 | 35,854 | 386,068 |
| 2016 | 163,869 | 182,349 | 16,478 | 20,991 | 43,204 | 506,980 |
| 2015 | 169,972 | 38,331 | 32,771 | 24,165 | 48,666 | 423,126 |
| 2014 | 107,437 | 19,451 | 32,013 | 24,288 | 56,696 | 326,529 |
| 2013 | 137,523 | 44,822 | 37,161 | 23,882 | 57,426 | 413,209 |
| 2012 | 161,607 | 43,903 | 36,775 | 25,284 | 56,670 | 427,612 |
| 2011 | 161,327 | 35,953 | 31,390 | 22,236 | 56,905 | 449,666 |
| 2010 | 148,800 | 44,000 | 40,400 | 20,957 | 60,719 | 448,732 |
| 2009 | 200,828 | 37,000 | 42,000 | 17,519 | 65,446 | 486,466 |
| 2008 | 220,713 | 75,000 | 24,500 | 19,549 | 57,439 | 516,600 |
| 2007 | 170,573 | 52,000 | 44,900 | 17,700 | 75,343 | 484,348 |
| 2006 | 358,138 | 61,652 | 39,621 | 15,808 | 71,473 | 645,814 |
| 2005 | 491,127 | 85,331 | 37,571 | 17,096 | 44,312 | 860,749 |
| 2004 | 496,924 | 74,400 | 52,970 | 19,096 | 46,346 | 874,046 |
| 2003 | 264,191 | 24,299 | 44,137 | 14,865 | 53,002 | 638,384 |
| 2002 | 239,367 | 42,128 | 37,213 | 17,684 | 51,625 | 592,393 |
| 2001 | 88,116 | 100,000 | 33,000 | 19,215 | 45,166 | 487,189 |
| 2000 | — | 140,000 | 29,900 | 15,100 | 7,100 | 297,238 |
| 1999 | 150,000 | 270,000 | 33,200 | 16,800 | 6,106 | 593,065 |
| 1998 | — | 260,000 | 69,000 | 31,500 | 35,500 | 519,343 |
| 1997 | — | 130,000 | 48,500 | 41,000 | 32,000 | 389,078 |
| 1996 | — | 180,000 | 112,000 | 97,000 | 34,700 | 543,496 |
| 1995 | — | 102,000 | 122,000 | 187,000 | 32,480 | 607,482 |
| 1994 | — | 130,000 | 156,018 | 175,000 | 24,000 | 754,092 |
| 1993 | — | — | 37,005 | 165,000 | 19,000 | 484,167 |
| 1992 | — | — | 29,102 | 153,900 | 21,000 | 380,346 |
| 1991 | — | — | 64,802 | 184,700 | 27,049 | 574,968 |
| 1990 | — | — | 353,210 | 172,800 | 28,007 | 904,914 |
| 1989 | — | — | 273,825 | 189,160 | 34,007 | 817,707 |
| 1988 | — | — | — | 185,120 | — | 482,518 |
| 1987 | — | — | 253,207 | — | — | 391,120 |