| Polluter | Pollutants | Sources | Emissions |
|---|---|---|---|
| Ak Steel Corporation | 51 | 1112 | 67,906,586.24 |
| City Of Middletown Landfill | 28 | 28 | 834.91 |
| Crystal Tissue Company | 21 | 36 | 1,054,316.53 |
| Msc Engineered Materials & Solutions Group Inc. | 3 | 4 | 23,957.00 |
| Shepherd Middletown Co. | 1 | 1 | 4.00 |