Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
NORTHERN FOUNDRY
555 W 25TH ST, HIBBING, MN, 55746
Parent company: METAL TECHNOLOGIES INC
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 | Aluminum oxide (fibrous forms) | Aluminum (fume or dust) | Copper | Lead | Manganese | Total (lbs) |
| 2024 | — | — | — | 0 | — | 0 |
| 2023 | — | — | — | 7 | — | 7 |
| 2022 | — | — | — | 8 | — | 8 |
| 2021 | — | — | — | 8 | — | 8 |
| 2020 | — | — | — | 1 | — | 1 |
| 2019 | — | — | — | 1 | — | 1 |
| 2018 | — | — | — | 1 | — | 1 |
| 2017 | — | — | — | 1 | — | 1 |
| 2016 | — | — | — | 1 | — | 1 |
| 2015 | — | — | — | 1 | — | 1 |
| 2014 | — | 250 | — | 3 | — | 253 |
| 2013 | — | — | 0 | 3 | — | 4 |
| 2012 | — | — | 5 | 5 | — | 10 |
| 2011 | — | — | 5 | 2 | — | 7 |
| 2010 | — | — | 5 | 5 | — | 10 |
| 2009 | — | — | 5 | 5 | — | 10 |
| 2008 | — | — | 6 | 3 | — | 9 |
| 2007 | — | — | 18 | 18 | — | 36 |
| 2006 | — | — | 7 | 4 | — | 11 |
| 2005 | — | — | 22 | 26 | — | 48 |
| 2004 | — | — | 5 | 13 | — | 18 |
| 2003 | — | — | 12 | 7 | — | 19 |
| 2002 | — | — | — | — | — | 6 |
| 2001 | — | — | — | — | — | 13 |
| 2000 | — | — | 5 | — | — | 5 |
| 1999 | — | — | 5 | — | — | 5 |
| 1998 | — | — | 5 | — | — | 5 |
| 1997 | — | — | 5 | — | — | 5 |
| 1996 | — | — | 5 | — | — | 5 |
| 1995 | — | — | 5 | — | — | 5 |
| 1994 | — | — | 5 | — | — | 5 |
| 1993 | — | — | 1 | — | — | 1 |
| 1992 | — | — | 1 | — | — | 1 |
| 1990 | — | — | — | — | 99 | 99 |
| 1988 | 87,609 | — | — | — | — | 87,609 |
▎ 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.