Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
BLUE DIAMOND STEEL CASTING,INC.
125 STURM RD., PIGEON, MI, 48755
Parent company: HURON CASTING INC
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 compounds | Manganese And Manganese Compounds | Manganese | Total (lbs) | ||
| 2024 | — | 88 | — | 88 | ||
| 2023 | — | 112 | — | 112 | ||
| 2022 | — | 128 | — | 128 | ||
| 2021 | — | 115 | — | 115 | ||
| 2020 | — | 92 | — | 92 | ||
| 2019 | 115 | — | 3 | 118 | ||
| 2018 | 122 | — | 3 | 125 | ||
| 2017 | 108 | — | 10 | 118 | ||
| 2016 | 84 | — | 10 | 94 | ||
| 2015 | 500 | — | 255 | 755 | ||
| 2014 | 500 | — | 10 | 510 | ||
| 2013 | 111 | — | 12 | 123 | ||
| 2012 | 79 | — | 5 | 84 | ||
| 2011 | 77 | — | 84 | 161 | ||
▎ 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.