3 facilities in Montana reported releasing a combined 19.6k pounds of ethylene to air, water, and land in 2024.
| Facility | City | On-site (lb) |
|---|---|---|
| Par Montana Billings Refinery | Billings | 8.4k |
| Calumet Montana Refining Llc. | Great Falls | 6.7k |
| Phillips 66 Co Billings Refinery | Billings | 4.4k |
← All Ethylene releases nationwide · Montana pollution overview