Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SOUTHWEST SHIPYARD L.P.
18310 MARKET ST, CHANNELVIEW, TX, 77530
Parent company: SOUTHWEST SHIPYARD LP
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 | Xylene (mixed isomers) | n-Butyl alcohol | Methyl tert-butyl ether | 1,3-Butadiene | 1,2,4-Trimethylbenzene | Total (lbs) |
| 2024 | 11,300 | — | — | 1,845 | — | 14,407 |
| 2023 | 9,900 | — | — | 1,205 | — | 15,380 |
| 2022 | — | — | — | 242 | — | 698 |
| 2021 | 6,900 | — | — | 255 | — | 8,698 |
| 2020 | 12,600 | — | — | 250 | — | 14,135 |
| 2019 | 14,100 | — | — | 255 | — | 15,659 |
| 2018 | 9,729 | — | — | 255 | 1,905 | 22,531 |
| 2017 | 4,959 | — | — | 245 | 930 | 9,409 |
| 2016 | 7,332 | — | — | 532 | 1,342 | 14,925 |
| 2015 | 4,800 | — | — | 755 | — | 13,642 |
| 2014 | — | 16,200 | — | 755 | — | 18,536 |
| 2013 | — | — | — | 1,105 | — | 4,130 |
| 2012 | 8,300 | 13,600 | — | 255 | — | 25,247 |
| 2011 | 15,839 | 24,083 | — | 255 | 12,727 | 65,593 |
| 2010 | 19,447 | 18,845 | 2,802 | 1,405 | 13,445 | 70,086 |
| 2009 | 25,657 | 14,933 | — | 1,305 | 15,670 | 71,018 |
| 2008 | 29,455 | 18,706 | 1,106 | 3,318 | 18,702 | 78,908 |
| 2007 | 25,188 | 14,760 | 2,713 | — | 15,966 | 66,611 |
| 2006 | 27,560 | 15,793 | 2,108 | — | 17,275 | 68,690 |
| 2005 | 39,683 | 21,106 | 1,981 | — | 21,387 | 89,768 |
| 2004 | 17,680 | 15,740 | 3,560 | — | — | 48,797 |
| 2003 | 8,360 | 13,640 | 3,430 | 9,175 | — | 54,483 |
| 2002 | 28,371 | 37,344 | 8,051 | 18,728 | — | 116,627 |
| 2001 | 27,071 | 6,430 | 10,253 | 12,700 | — | 103,013 |
| 2000 | 33,191 | 6,631 | 12,601 | 9,761 | — | 117,531 |
| 1999 | 9,940 | 8,805 | 2,010 | 16,653 | — | 78,724 |
| 1998 | 15,740 | 8,805 | 2,010 | 45,210 | — | 134,541 |
| 1997 | 26,980 | 30 | 2,010 | 30,610 | — | 113,698 |
| 1996 | 26,300 | 58 | 21,500 | 36,010 | — | 169,607 |
| 1991 | 3,555 | 760 | 119,215 | — | — | 267,317 |
| 1990 | 1,355 | — | 46,255 | — | — | 148,960 |
| 1989 | 500 | — | 5,650 | — | — | 22,950 |
▎ 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.