Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
KOPPEL STEEL CORP BAYTOWN PLANT
2600 E GRAND PKWY S, BAYTOWN, TX, 77523
Parent company: TENARIS
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 | Certain glycol ethers | Manganese | Lead | Nickel | Total (lbs) | |
| 2024 | — | 290 | 24 | 82 | 396 | |
| 2023 | — | 45 | 3 | 3 | 51 | |
| 2005 | — | — | 18 | — | 18 | |
| 2004 | — | — | 27 | — | 27 | |
| 2003 | — | — | 35 | — | 35 | |
| 2002 | — | — | 35 | — | 35 | |
| 1999 | 21,233 | — | — | — | 21,233 | |
| 1998 | 32,018 | — | — | — | 32,018 | |
| 1997 | 36,000 | — | — | — | 36,000 | |
▎ 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.