Facility detail

MWC MICHIGAN LLC.

1640 TECHNICAL DR, SAINT JOHNS, MI, 48879

Parent company: NA

Carcinogen — EPA classifications across all reporting years

Year-over-year total releases

Reported on-site TRI releases in pounds (lbs), grouped by reporting year.

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 Ammonia Diphenylamine Nitric acid Antimony Arsenic Total (lbs)
2024 19,732 19,732
2023 13,859 13,859
2022 1,559 250 1,809
2021 750 5 5 5 770
2020 750 260 1,010

▎ 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.