Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
STRUCTURAL METALS INC
ONE STEEL MILL DR, SEGUIN, TX, 78155
Parent company: COMMERCIAL METALS CO
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 | Zinc compounds | Zinc (fume or dust) | Lead compounds | Manganese compounds | Manganese | Total (lbs) |
| 2024 | 5,466 | — | 237 | 1,351 | — | 7,701 |
| 2023 | 4,969 | — | 215 | 1,216 | — | 7,006 |
| 2022 | 5,738 | — | — | 1,218 | — | 7,928 |
| 2021 | 6,160 | — | 285 | 1,700 | — | 8,942 |
| 2020 | 5,889 | — | 263 | 1,358 | — | 8,281 |
| 2019 | 5,471 | — | 248 | 1,312 | — | 7,458 |
| 2018 | 5,754 | — | 264 | 1,492 | — | 7,965 |
| 2017 | 5,413 | — | 224 | 1,095 | — | 7,108 |
| 2016 | 4,850 | — | 215 | 980 | — | 6,398 |
| 2015 | 4,838 | — | 213 | 980 | — | 6,373 |
| 2014 | 1,137 | — | 244 | 1,037 | — | 3,111 |
| 2013 | 13,247 | — | 212 | 2,108 | — | 16,179 |
| 2012 | 12,765 | — | 172 | 1,933 | — | 15,468 |
| 2011 | 14,208 | — | 301 | 2,435 | — | 17,922 |
| 2010 | 13,510 | — | 296 | 2,320 | — | 17,080 |
| 2009 | 11,941 | — | 244 | 1,510 | — | 14,462 |
| 2008 | 2,910 | — | 273 | 1,510 | — | 6,050 |
| 2007 | 2,710 | — | 259 | 1,510 | — | 5,835 |
| 2006 | 3,210 | — | 271 | 1,510 | — | 6,352 |
| 2005 | 3,210 | — | 272 | 1,510 | — | 6,350 |
| 2004 | 3,210 | — | 274 | 1,755 | — | 6,592 |
| 2003 | 7,710 | — | 692 | 3,260 | — | 13,262 |
| 2002 | 6,304 | — | 608 | 2,638 | — | 10,410 |
| 2001 | 5,950 | — | 574 | 2,260 | — | 9,637 |
| 2000 | 5,960 | — | 765 | 2,460 | — | 10,033 |
| 1999 | 5,500 | — | 1,005 | 1,800 | — | 9,070 |
| 1998 | 5,200 | — | 1,250 | 2,000 | — | 9,705 |
| 1997 | 2,200 | — | 260 | 750 | — | 3,970 |
| 1996 | 1,250 | — | 260 | 505 | — | 2,285 |
| 1995 | 1,000 | — | 500 | 255 | — | 1,760 |
| 1994 | 1,000 | — | 500 | 255 | — | 2,010 |
| 1993 | 1,505 | — | 505 | 750 | — | 3,280 |
| 1992 | 29,650 | — | 2,500 | 2,500 | — | 35,660 |
| 1991 | 33,012 | — | 2,595 | 3,255 | — | 40,372 |
| 1990 | 31,005 | — | 2,550 | 4,050 | — | 60,065 |
| 1989 | 1,523,510 | — | 284,360 | 182,830 | — | 2,071,240 |
| 1988 | 3,322,500 | 3,434,000 | 543,540 | 191,300 | 197,420 | 7,890,235 |
| 1987 | 286,600 | 378,200 | — | — | 156,090 | 820,890 |
▎ 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.