7 facilities in Montana reported releasing a combined 5.5M pounds of zinc compounds to air, water, and land in 2024.
| Facility | City | On-site (lb) |
|---|---|---|
| Montana Resources Llc | Butte | 5.5M |
| Colstrip Steam Electric Station | Colstrip | 40.8k |
| Par Montana Billings Refinery | Billings | 1.5k |
| Chs Inc. Laurel Refinery | Laurel | 299 |
| Hardin Generating Station | Hardin | 92 |
| Smc Precious Metals Smelter & Base Metals Refinery | Columbus | 7 |
| Chs Great Falls Feed | Great Falls | 0 |
← All Zinc compounds releases nationwide · Montana pollution overview