Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MADDEN GALVANIZING LLC
13420 HEMPSTEAD HWY, HOUSTON, TX, 77040
Parent company: MADDEN GALVANIZING LLC
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 | 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 (lbs) | |
| 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 | |
▎ 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.