Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MICHIGAN METAL COATINGS
2015 DOVE ST, PORT HURON, MI, 48060
Parent company: MMC SYSTEMS
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 | Methanol | 1,1,1-Trichloroethane | Manganese | Chromium | Copper | Total (lbs) |
| 2024 | 5,527 | — | 62 | 156 | — | 5,752 |
| 2023 | 7,001 | — | 104 | 26 | 21 | 7,164 |
| 2022 | 2,673 | — | 49 | 13 | 10 | 2,750 |
| 2021 | 2,405 | — | 145 | 37 | 29 | 2,632 |
| 2020 | 2,478 | — | 48 | 12 | 10 | 2,553 |
| 2019 | 4,913 | — | 266 | 69 | 53 | 5,331 |
| 2018 | 4,430 | — | 75 | 20 | 15 | 4,549 |
| 2017 | 4,387 | — | 96 | 25 | 20 | 4,540 |
| 2016 | 15,557 | — | 82 | 11 | 11 | 15,667 |
| 2015 | 17,608 | — | 119 | 15 | 15 | 17,766 |
| 2014 | 15,772 | — | 59 | 8 | 8 | 15,850 |
| 2013 | 13,512 | — | 97 | 13 | 13 | 13,642 |
| 2012 | 12,271 | — | 34 | 4 | 4 | 12,315 |
| 2011 | — | — | 31 | 4 | 4 | 40 |
| 2010 | — | — | 11 | 1 | 1 | 14 |
| 2009 | — | — | 12 | 1 | 1 | 15 |
| 1990 | — | 45,040 | — | — | — | 45,040 |
| 1989 | — | 27,935 | — | — | — | 27,935 |
| 1988 | — | 18,429 | — | — | — | 18,429 |
▎ 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.