11 facilities in Montana reported releasing a combined 341.3k pounds of nitrate compounds (water dissociable; reportable only when in aqueous solution) to air, water, and land in 2024.
| Facility | City | On-site (lb) |
|---|---|---|
| Montana Resources Llc | Butte | 219.4k |
| Chs Inc. Laurel Refinery | Laurel | 113.4k |
| Smc Nye Mine Site | Nye | 7.2k |
| Stillwater Mining Co East Boulder Mine | Big Timber | 493 |
| Jtl Group Billings (Dba - Knife River Billings) | Billings | 420 |
| Jtl Group Belgrade Dba Knife River - Belgrade | Belgrade | 140 |
| Jtl Group-Kalispell Dba Knife River - Kalispell | Kalispell | 97 |
| Knife River Billings East Site | Billings | 69 |
| Jtl Group Missoula (Dba Knife River-Missoula) | Missoula | 57 |
| Phillips 66 Co Billings Refinery | Billings | 0 |
| Darigold-Bozeman | Bozeman | 0 |
← All Nitrate compounds (water dissociable; reportable only when in aqueous solution) releases nationwide · Montana pollution overview