Year-over-year total releases
Reported on-site TRI releases in pounds (lbs), grouped by reporting year.
Facility detail
SMC PRECIOUS METALS SMELTER & BASE METALS REFINERY
COLUMBUS INDUSTRIAL PARK 1ST AVE SOUTH, COLUMBUS, MT, 59019
Parent company: STILLWATER MINING CO
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 | Nickel | Nickel compounds | Copper compounds | Copper | Copper And Copper Compounds | Total (lbs) |
| 2024 | — | — | — | — | 140 | 406 |
| 2023 | — | — | — | — | 163 | 467 |
| 2022 | — | — | — | — | 144 | 487 |
| 2021 | — | 354 | — | — | 210 | 719 |
| 2020 | — | 336 | — | — | 202 | 687 |
| 2019 | — | 371 | — | — | 227 | 746 |
| 2018 | — | 368 | — | — | 227 | 675 |
| 2017 | — | 353 | 213 | — | — | 641 |
| 2016 | — | 376 | 236 | — | — | 681 |
| 2015 | — | 480 | 290 | — | — | 840 |
| 2014 | — | 408 | 264 | — | — | 731 |
| 2013 | — | 416 | 264 | — | — | 780 |
| 2012 | — | 293 | 220 | — | — | 570 |
| 2011 | — | 288 | 181 | — | — | 521 |
| 2010 | — | 261 | 168 | — | — | 477 |
| 2009 | — | 586 | 379 | — | — | 1,023 |
| 2008 | — | 575 | 357 | — | — | 989 |
| 2007 | — | 446 | 304 | — | — | 797 |
| 2006 | — | 305 | 203 | — | — | 541 |
| 2005 | — | 346 | 237 | — | — | 612 |
| 2004 | — | 402 | 259 | — | — | 696 |
| 2003 | — | 1,119 | 688 | — | — | 1,852 |
| 2002 | — | 295 | 220 | — | — | 522 |
| 2001 | — | 288 | 217 | — | — | 512 |
| 2000 | — | 285 | — | 216 | — | 506 |
| 1999 | 27,783 | — | — | 215 | — | 28,003 |
| 1998 | 33,546 | — | — | 171 | — | 33,722 |
| 1997 | 500 | — | — | 500 | — | 1,005 |
| 1996 | 500 | — | — | 500 | — | 1,260 |
| 1995 | 250 | — | — | 250 | — | 505 |
| 1994 | 250 | — | — | 250 | — | 505 |
| 1993 | 250 | — | — | 250 | — | 505 |
| 1992 | 250 | — | — | 250 | — | 505 |
| 1991 | 1,000 | — | — | 1,800 | — | 3,050 |
| 1990 | 250 | — | — | 250 | — | 500 |
▎ 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.