Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
GERDAU MACSTEEL MONROE
3000 E FRONT ST, MONROE, MI, 48161
Parent company: GERDAU MACSTEEL INC
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 | Manganese compounds | Manganese And Manganese Compounds | Manganese | Lead compounds | Total (lbs) |
| 2024 | 13,067 | — | 4,408 | — | — | 18,228 |
| 2023 | 8,734 | — | 3,319 | — | — | 12,612 |
| 2022 | 5,476 | — | 2,377 | — | — | 8,305 |
| 2021 | 4,646 | — | 2,234 | — | — | 7,334 |
| 2020 | 6,067 | — | 2,728 | — | — | 9,353 |
| 2019 | 7,686 | — | 2,916 | — | 188 | 11,236 |
| 2018 | 7,236 | 2,944 | — | — | 187 | 10,805 |
| 2017 | 9,804 | 3,773 | — | — | 313 | 14,474 |
| 2016 | 7,560 | 2,960 | — | — | 214 | 11,239 |
| 2015 | 8,251 | 3,537 | — | — | 144 | 12,371 |
| 2014 | 7,441 | 3,238 | — | — | 160 | 11,265 |
| 2013 | 8,764 | 2,638 | — | — | 221 | 12,014 |
| 2012 | 8,184 | 2,162 | — | — | 224 | 10,902 |
| 2011 | 8,116 | 2,608 | — | — | 300 | 11,448 |
| 2010 | 8,043 | 2,747 | — | — | 353 | 11,551 |
| 2009 | 5,895 | 2,033 | — | — | 226 | 8,467 |
| 2008 | 7,054 | 2,812 | — | — | 319 | 10,559 |
| 2007 | 8,136 | 2,893 | — | — | 359 | 11,804 |
| 2006 | 6,346 | 2,591 | — | — | 222 | 9,481 |
| 2005 | 7,834 | 2,504 | — | — | 292 | 10,954 |
| 2004 | 8,766 | 2,886 | — | — | 240 | 12,201 |
| 2003 | 6,518 | 2,536 | — | — | 202 | 9,537 |
| 2002 | 6,408 | 2,862 | — | — | 163 | 9,636 |
| 2001 | 6,192 | 2,035 | — | — | 249 | 8,758 |
| 2000 | 11,498 | 2,575 | — | — | 314 | 14,727 |
| 1999 | 8,398 | 1,392 | — | — | 216 | 10,232 |
| 1998 | 6,872 | 1,798 | — | — | 268 | 9,177 |
| 1997 | 12,698 | 3,848 | — | — | 648 | 17,597 |
| 1996 | 14,769 | 3,757 | — | — | 824 | 19,759 |
| 1995 | 9,250 | 2,099 | — | — | 500 | 13,114 |
| 1994 | 8,663 | 1,771 | — | — | 1,000 | 12,699 |
| 1993 | 9,645 | 1,909 | — | — | 500 | 13,319 |
| 1992 | 6,512 | 1,000 | — | — | 500 | 8,767 |
| 1991 | 6,219 | 1,000 | — | — | 500 | 8,474 |
| 1990 | 6,500 | 1,000 | — | — | 500 | 9,255 |
| 1989 | — | — | — | 7,350 | — | 10,400 |
| 1988 | — | — | — | 8,350 | 1,000 | 10,700 |
| 1987 | 4,450 | — | — | — | 500 | 4,950 |
▎ 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.