Facility detail

GREDE LLC - IRON MOUNTAIN

801 S CARPENTER AVE, KINGSFORD, MI, 49802

Parent company: GREDE HOLDINGS LLC

Carcinogen PBT — 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 1,1,1-Trichloroethane Phenol Bis(2-ethylhexyl) adipate Zinc compounds Manganese Total (lbs)
2024 — 731 — 84 15 841
2023 — 726 — 84 15 836
2022 — 737 — 84 16 849
2021 — 709 — 83 16 819
2020 — 250 — 61 12 331
2019 — 434 — 102 19 570
2018 — 709 — 164 30 926
2017 — 851 — 159 30 1,061
2016 — 707 — 106 21 851
2015 — 796 — 129 28 979
2014 — 1,195 — 185 40 1,455
2013 — 1,080 — 170 37 1,320
2012 — 1,269 — 189 42 1,540
2011 — 1,320 — 326 24 1,706
2010 — 1,300 — 340 120 1,800
2009 — 870 — 290 74 1,261
2008 — 1,600 — 280 20 1,941
2007 — — — 55 24 94
2006 — — — 1,100 230 1,675
2005 — 2,000 — 1,600 340 4,511
2004 — 1,900 — 750 250 3,624
2003 — 1,507 — 750 250 2,949
2002 — 1,424 — 750 250 2,856
2001 — 1,392 — 750 250 2,818
2000 — 1,900 — 750 250 3,155
1999 — 1,700 — — 250 2,200
1998 — 1,854 — — 250 2,369
1997 — 1,759 — — 5 1,775
1996 — 1,461 — — 5 1,477
1995 — — — — 5 20
1994 — 250 — — 5 275
1993 107,477 250 — — 5 107,752
1992 472,418 — 10,350 — 5 482,788
1991 480,000 — — — 250 480,500
1990 522,414 — — — 250 522,914
1989 — — — — 250 500
1988 — — — — 250 250

▎ 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.