Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SOUTHWEST GALVANIZING INC
737 ALEEN ST, HOUSTON, TX, 77029
Parent company: SOUTHWEST GALVANIZING INC
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 | Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Zinc compounds | Zinc (fume or dust) | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Lead compounds | Total (lbs) |
| 2024 | — | 3,861 | — | — | 8 | 3,888 |
| 2023 | — | 2,450 | — | — | 6 | 2,472 |
| 2022 | — | 2,828 | — | — | 6 | 2,843 |
| 2021 | — | 996 | — | — | 6 | 1,014 |
| 2020 | — | 2,048 | — | — | 6 | 2,067 |
| 2019 | — | 399 | — | — | — | 416 |
| 2018 | — | 2,504 | — | — | 8 | 2,512 |
| 2017 | — | 2,382 | — | — | 5 | 2,387 |
| 2016 | — | 4,367 | — | — | 6 | 4,373 |
| 2015 | — | 2,854 | — | — | 6 | 2,860 |
| 2014 | — | 2,635 | — | — | 2 | 2,637 |
| 2013 | 6,280 | 2,007 | — | — | 0 | 8,287 |
| 2012 | 6,094 | 1,396 | — | — | 1 | 7,491 |
| 2011 | 5,462 | 1,427 | — | — | 1 | 6,890 |
| 2010 | 5,729 | 1,423 | — | — | 1 | 7,153 |
| 2009 | 7,559 | 729 | — | 78 | 1 | 8,367 |
| 2008 | 8,963 | 1,354 | — | 217 | 2 | 10,536 |
| 2007 | 7,704 | 1,412 | — | 93 | 1 | 9,210 |
| 2006 | 8,919 | 457 | — | 214 | 1 | 9,591 |
| 2005 | 7,138 | 612 | — | 137 | 1 | 7,888 |
| 2004 | 5,461 | 1,289 | — | 63 | 1 | 6,814 |
| 2003 | 5,966 | 2,663 | — | 163 | 4 | 8,796 |
| 2002 | 7,926 | 3,172 | — | 104 | 131 | 11,333 |
| 2001 | 8,094 | 3,516 | — | 296 | 145 | 12,051 |
| 2000 | 6,630 | 3,692 | — | 373 | 140 | 10,835 |
| 1999 | 8,591 | 3,978 | — | 308 | 149 | 13,026 |
| 1998 | — | 3,615 | — | 259 | 149 | 4,023 |
| 1997 | 7,135 | 3,434 | — | 231 | — | 10,800 |
| 1996 | 675 | 2,869 | — | 289 | — | 3,833 |
| 1995 | 6,958 | 3,109 | — | 348 | — | 10,415 |
| 1994 | 6,258 | 3,097 | — | 319 | — | 9,674 |
| 1993 | 4,073 | 2,779 | — | 153 | — | 7,005 |
| 1992 | 3,565 | 3,288 | — | 325 | — | 7,178 |
| 1991 | 6,816 | 5,288 | — | 422 | — | 12,526 |
| 1990 | 1,411 | 4,325 | — | 294 | — | 6,030 |
| 1989 | 4,633 | — | 40,165 | 83 | — | 44,881 |
| 1988 | 3,069 | 31,890 | — | 602 | — | 35,561 |
| 1987 | 250 | — | — | 250 | — | 500 |
▎ 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.