Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SOUTHWEST SHIPYARD L.P. - BRADY ISLAND
8502 CYPRESS ST, HOUSTON, TX, 77012
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 | 1,2,4-Trimethylbenzene | Methyl tert-butyl ether | Toluene | Total (lbs) |
| 2024 | — | — | — | — | — | 25 |
| 2023 | 12,000 | — | — | — | — | 12,006 |
| 2022 | — | — | — | — | — | 10 |
| 2021 | — | — | — | — | — | 6 |
| 2020 | — | — | — | — | — | 14 |
| 2019 | — | — | — | — | — | 10 |
| 2018 | — | — | — | — | — | 13 |
| 2017 | 6,075 | — | — | — | — | 6,083 |
| 2016 | 11,384 | — | — | — | — | 11,395 |
| 2015 | 10,700 | — | — | — | — | 11,280 |
| 2014 | 14,888 | — | — | — | — | 15,154 |
| 2013 | 19,000 | — | — | — | — | 19,266 |
| 2012 | 19,000 | — | — | — | — | 19,283 |
| 2011 | 14,119 | 23,667 | 12,474 | — | — | 50,520 |
| 2010 | 15,379 | 11,027 | — | — | — | 26,600 |
| 2009 | 12,315 | 11,995 | — | — | — | 24,522 |
| 2008 | 16,694 | 15,115 | — | — | — | 32,116 |
| 2007 | 15,202 | 15,126 | — | — | — | 30,549 |
| 2006 | 15,957 | 18,112 | 10,436 | — | — | 44,708 |
| 2005 | 10,166 | 11,539 | — | — | — | 22,723 |
| 2004 | — | — | — | — | — | 1,251 |
| 2003 | — | — | — | — | — | 872 |
| 2002 | — | — | — | — | 752 | 2,289 |
| 2001 | 12,032 | — | — | 4,224 | — | 18,422 |
| 2000 | 31,252 | — | — | 5,672 | — | 40,743 |
| 1999 | 23,477 | — | — | 6,149 | — | 29,876 |
| 1998 | 505 | 505 | — | 505 | 505 | 5,065 |
| 1997 | 505 | 505 | — | 505 | 505 | 6,595 |
| 1996 | 38,635 | — | — | 505 | 1,688 | 43,300 |
| 1995 | 19,087 | — | — | 505 | — | 21,107 |
| 1994 | 8,771 | — | — | — | — | 10,286 |
| 1993 | — | — | — | — | — | 1,010 |
| 1992 | 15,184 | 5,452 | — | — | — | 22,456 |
| 1991 | 11,779 | 1,674 | — | — | — | 15,523 |
| 1990 | 8,147 | 4,493 | — | — | — | 13,695 |
| 1989 | 26,778 | 8,270 | — | — | 750 | 40,355 |
| 1988 | 9,910 | — | — | — | 6,102 | 21,972 |
| 1987 | 13,500 | — | — | — | — | 14,000 |
▎ 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.