| Polluter | Pollutants | Sources | Emissions |
|---|---|---|---|
| Cowlitz County Landfill / B | 28 | 28 | 3,350.76 |
| Weyerhaeuser Co | 27 | 197 | 14,045,363.80 |
| Longview Fibre | 15 | 360 | 15,355,369.00 |
| Longview Aluminum, L.L.C. | 11 | 57 | 38,032.00 |
| Solvay Interox Inc. | 1 | 2 | 205.00 |
| Cytec Inds. Inc. | 1 | 2 | 29.00 |
| Glacier Northwest Inc. Longview Ready-Mix Plant | 1 | 1 | 0.00 |