| Polluter | Pollutants | Sources | Emissions |
|---|---|---|---|
| Agrium Us Inc | 8 | 257 | 1,848,950.00 |
| Benton Public Utilities District #1 | 7 | 8 | 7,875.00 |
| Framatome Anp Inc. | 2 | 3 | 2,932.00 |
| Richland Sanitary Landfill | 28 | 28 | 2,142.39 |
| Sandvik Special Metals Corp. | 1 | 2 | 55.00 |
| Tessenderlo Kerley Inc. | 2 | 4 | 1,982.00 |
| Tree Top Inc. - Prosser Plant | 1 | 1 | 0.01 |
| U.S. Dept Of Energy | 8 | 52 | 138,501.00 |
| U.S. Doe Hanford Site | 1 | 1 | 5.00 |
| Williams Pipeline | 10 | 31 | 271,560.00 |