Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
MICHIGAN METAL COATINGS PLANT 2
1720 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 | Manganese | Chromium | Copper | Nickel | Cobalt | Total (lbs) |
| 2024 | 108 | — | — | — | — | 108 |
| 2023 | 127 | 33 | 25 | 14 | 1 | 200 |
| 2022 | 46 | 12 | — | 5 | — | 63 |
| 2021 | 213 | 55 | 43 | 23 | 2 | 336 |
| 2020 | 57 | 14 | — | 7 | — | 78 |
| 2019 | — | — | — | — | — | 0 |
▎ 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.