Year-over-year total releases
Reported on-site TRI releases in pounds, grouped by reporting year.
Facility detail
13420 HEMPSTEAD HWY, HOUSTON, TX, 77040
Parent company: MADDEN GALVANIZING LLC
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 | Zinc compounds | Hydrochloric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size) | Lead compounds | Lead And Lead Compounds | Total |
|---|---|---|---|---|---|
| 2024 | 111 | — | 1 | — | 112 |
| 2023 | 110 | — | 1 | — | 111 |
| 2022 | 67 | — | 2 | — | 69 |
| 2021 | 119 | — | 1 | — | 120 |
| 2020 | 88 | — | 1 | — | 89 |
| 2019 | 127 | — | — | 1 | 128 |
| 2018 | 178 | — | 1 | — | 179 |
| 2017 | 142 | — | 2 | — | 144 |
| 2016 | 562 | — | 1 | — | 563 |
| 2015 | 269 | — | 2 | — | 271 |
| 2014 | 175 | — | 1 | — | 176 |
| 2013 | 91 | 402 | 1 | — | 494 |
| 2012 | 114 | 301 | 1 | — | 416 |
| 2011 | 95 | 399 | 1 | — | 495 |
| 2010 | 69 | 264 | 1 | — | 334 |
| 2009 | 73 | 235 | 1 | — | 309 |
| 2007 | 169 | 330 | 1 | — | 500 |