| Polluter | Pollutants | Sources | Emissions |
|---|---|---|---|
| Armstrong World Industries Inc. | 44 | 121 | 805,675.56 |
| Boise Cascade Corporation | 90 | 1041 | 29,921,041.79 |
| Clarifier Solids Landfill | 28 | 28 | 1,301.04 |
| Coastal St. Helens Chemical | 2 | 4 | 420,769.00 |
| Conrad Wood Preserving Co. | 1 | 2 | 22,753.00 |
| Coyote Dry Cleaners | 1 | 1 | 540.00 |
| Portland General Electric Company | 56 | 106 | 866,109.87 |
| South 80 Landfill | 28 | 28 | 411.96 |
| United States Gypsum Co. | 1 | 1 | 0.60 |
| Vernonia Landfill | 28 | 28 | 151.06 |