5 facilities in Montana reported releasing a combined 130.5k pounds of chromium compounds (except for chromite ore mined in the transvaal region) to air, water, and land in 2024.
| Facility | City | On-site (lb) |
|---|---|---|
| Stillwater Mining Co East Boulder Mine | Big Timber | 69.7k |
| Colstrip Steam Electric Station | Colstrip | 60.8k |
| Smc Precious Metals Smelter & Base Metals Refinery | Columbus | 21 |
| Smc Nye Mine Site | Nye | 7 |
| Marks-Miller Post & Pole Inc | Clancy | 0 |
← All Chromium compounds (except for chromite ore mined in the Transvaal Region) releases nationwide · Montana pollution overview