Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
VAM USA
19210 E HARDY RD, HOUSTON, TX, 77073
Parent company: VALLOUREC INDUSTRIES
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 | Nitrate compounds (water dissociable; reportable only when in aqueous solution) | Manganese | Mixture | Zinc compounds | Manganese And Manganese Compounds | Total (lbs) |
| 2024 | 2,801 | — | — | — | 157 | 2,975 |
| 2023 | — | — | — | — | 80 | 107 |
| 2022 | — | — | — | 68 | 56 | 129 |
| 2021 | — | — | — | 93 | 70 | 169 |
| 2020 | — | 50 | — | 72 | — | 134 |
| 2019 | — | 750 | — | 250 | — | 1,017 |
| 2018 | — | — | — | — | 211 | 252 |
| 2017 | — | 214 | — | — | — | 276 |
| 2016 | — | 109 | — | 27 | — | 138 |
| 2015 | — | 9 | — | 141 | — | 154 |
| 2014 | — | 6 | — | — | — | 8 |
| 2013 | — | 5 | — | — | — | 6 |
| 2012 | — | 6 | — | — | — | 8 |
| 2011 | — | 3 | — | — | — | 7 |
| 1988 | — | — | 1,000 | — | — | 1,000 |
▎ 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.