| Polluter | Pollutants | Sources | Emissions |
|---|---|---|---|
| Cedar Falls Municipal Electric Utility/Cts | 80 | 427 | 3,106,108.54 |
| John Deere Product Engineering Center | 15 | 1064 | 1,140,744.46 |
| Metokote Corporation - Plant 15 | 9 | 72 | 103,507.46 |
| University Of Northern Iowa - Power Plant/Main Campus | 29 | 777 | 1,896,834.81 |
| Viking Alloys Fndy. | 2 | 2 | 63.00 |
| Viking Pump South Main Facility | 2 | 2 | 10.00 |