| Polluter | Pollutants | Sources | Emissions |
|---|---|---|---|
| City Of Ames Sanitary Landfill | 28 | 28 | 714.09 |
| City Of Ames Steam Electric Plant/Combustion Turbine | 83 | 310 | 5,683,607.15 |
| Hach Co. | 1 | 2 | 1,000.00 |
| Iowa State University/ Isu Heating Plant | 40 | 846 | 7,797,128.38 |
| Usda, National Animal Disease Center | 10 | 119 | 148,530.86 |