| Polluter | Pollutants | Sources | Emissions |
|---|---|---|---|
| Illinois Tollway - Lake Forest Oasis | 41 | 51 | 13,430.63 |
| Lake Forest Hospital | 41 | 74 | 29,433.40 |
| Lake Forest Animal Clinic | 39 | 39 | 1,170.91 |
| Petco Inc | 35 | 36 | 17,201.98 |
| Kraftseal Corp | 4 | 17 | 13,310.53 |
| Mid City Lithographers - Printing Div | 4 | 11 | 228,589.09 |
| Micrins Inc | 3 | 3 | 0.10 |
| Fort Dearborn Co Lake Forest Division | 2 | 2 | 38,955.99 |
| Ksj-Korea Inc | 1 | 1 | 1,980.00 |