Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
5900 HIGHWAY 225 - GATE 7B, DEER PARK, TX, 77536
Parent company: WESTLAKE CORP
Reported on-site TRI releases in pounds, grouped by reporting year.
The 10 chemicals with the highest cumulative on-site releases across all available years.
Rows are years. Columns show the five highest-total chemicals across all years plus each year's total release volume.
| Year | 4,4'-Isopropylidenediphenol | Phenol | Epichlorohydrin | 1,2,3-Trichloropropane | Allyl chloride | Total |
|---|---|---|---|---|---|---|
| 2024 | 10,300 | 28,600 | 7,520 | — | — | 46,475 |
| 2023 | 11,200 | 29,200 | 8,300 | — | — | 48,755 |
| 2022 | 10,500 | 28,800 | 7,320 | — | — | 46,675 |
| 2021 | 12,700 | 29,400 | 8,030 | — | — | 50,188 |
| 2020 | 15,900 | 29,000 | 7,930 | — | — | 52,885 |
| 2019 | 10,500 | 29,000 | 7,400 | — | — | 46,955 |
| 2018 | 10,400 | 29,700 | 6,880 | — | — | 47,035 |
| 2017 | 11,300 | 29,200 | 7,160 | — | — | 47,725 |
| 2016 | 11,200 | 29,500 | 10,200 | — | — | 50,965 |
| 2015 | 11,000 | 29,400 | 9,020 | — | — | 49,485 |
| 2014 | 10,700 | 29,200 | 8,690 | — | — | 48,642 |
| 2013 | 4,100 | 37,700 | 6,190 | — | — | 48,022 |
| 2012 | 5,200 | 34,000 | 6,060 | — | — | 45,292 |
| 2011 | 6,900 | 21,200 | 5,900 | — | — | 34,000 |
| 2010 | 51,200 | 20,200 | 4,600 | — | — | 76,000 |
| 2009 | 52,200 | 19,600 | 4,600 | — | — | 76,400 |
| 2008 | 40,900 | 13,470 | 5,170 | — | — | 60,545 |
| 2007 | 39,000 | 7,770 | 7,000 | 500 | 255 | 56,295 |
| 2006 | 37,250 | 4,870 | 9,500 | 500 | 255 | 54,405 |
| 2005 | 37,250 | 4,870 | 9,500 | 500 | 255 | 54,405 |
| 2004 | 53,000 | 17,100 | 29,600 | 5,224 | 2,405 | 108,344 |
| 2003 | 53,000 | 17,200 | 25,000 | 5,224 | 2,405 | 104,284 |
| 2002 | 57,000 | 16,120 | 24,500 | 5,330 | 2,400 | 106,576 |
| 2001 | 51,400 | 7,720 | 12,200 | 2,730 | 1,100 | 76,366 |
| 2000 | 54,400 | 8,830 | 15,000 | 2,749 | 1,100 | 83,285 |