| Polluter | Pollutants | Sources | Emissions |
|---|---|---|---|
| Alcoa Wheel Products - Beloit | 7 | 24 | 73,624.02 |
| Alliant Energy-Rock River Gen Station | 37 | 92 | 1,385,913.81 |
| Alliant Energy-Turtle Generating Station | 6 | 6 | 3,478.49 |
| Beloit Memorial Hospital | 8 | 40 | 50,325.69 |
| Black & Decker | 6 | 8 | 1,007.82 |
| Coltec Ind., Fairbanks Morse Engine Div. | 12 | 192 | 85,697.99 |
| Frito-Lay Inc | 6 | 145 | 398,676.80 |
| Genencor | 7 | 37 | 41,175.74 |
| Hormel Foods Corporation | 8 | 57 | 34,806.14 |
| Patch Prods. Inc. | 0 | 0 | 0.00 |
| United Stars Inc. | 3 | 5 | 25.00 |
| Wis Pwr & Light Blackhawk Gen Station | 6 | 12 | 158,745.28 |