Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
METAL TECHNOLOGIES INC THREE RIVERS GRAY IRON
429 FOURTH ST, THREE RIVERS, MI, 49093
Parent company: METAL TECHNOLOGIES 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 | Manganese | Lead compounds | Manganese compounds | Lead | Copper compounds | Total (lbs) |
| 2024 | — | — | — | 0 | — | 0 |
| 2023 | — | — | — | 0 | — | 0 |
| 2022 | — | — | — | 0 | — | 0 |
| 2021 | — | — | — | 0 | — | 0 |
| 2020 | — | — | — | 9 | — | 9 |
| 2019 | — | — | — | 9 | — | 9 |
| 2018 | — | — | — | 10 | — | 10 |
| 2017 | — | — | — | 5 | — | 5 |
| 2016 | — | — | — | 73 | — | 73 |
| 2015 | — | — | — | 7 | — | 7 |
| 2014 | — | 1 | 25 | — | — | 26 |
| 2013 | — | 1 | 25 | — | 1 | 28 |
| 2012 | — | 149 | 122 | — | 119 | 438 |
| 2011 | — | 149 | 121 | — | 118 | 436 |
| 2010 | — | 149 | 181 | — | 121 | 473 |
| 2009 | — | 106 | 85 | — | 83 | 282 |
| 2008 | — | 119 | 95 | — | 93 | 317 |
| 2007 | — | 126 | 98 | — | 97 | 361 |
| 2006 | — | 126 | 74 | — | 91 | 321 |
| 2005 | — | 143 | 64 | — | 104 | 339 |
| 2004 | 88 | — | — | 140 | — | 228 |
| 2003 | 64 | — | — | 117 | — | 181 |
| 2002 | 87,253 | — | — | 165 | — | 87,418 |
| 2001 | 125 | — | — | 324 | — | 449 |
▎ 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.