| Polluter | Pollutants | Sources | Emissions |
|---|---|---|---|
| Libby Landfill | 28 | 28 | 12,107.53 |
| Stimson Lumber - Libby | 8 | 35 | 2,950,009.00 |
| Plum Creek Mfg Lp - Fortine | 6 | 21 | 518,000.00 |
| Eureka Pellet Mills | 6 | 13 | 138,000.00 |
| Genesis Inc. - Troy Mine | 6 | 15 | 10,000.00 |
| Owens & Hurst | 2 | 8 | 30,000.00 |
| Lone Pine Timber Industries | 2 | 8 | 26,000.00 |