| Polluter | Pollutants | Sources | Emissions |
|---|---|---|---|
| Burnham And Morrill Co | 7 | 23 | 80,812.46 |
| Etheridge Foundry And Machine Co | 5 | 6 | 3,274.12 |
| Greater Portland Region Rrf (Nti33063) | 28 | 51 | 22,346.27 |
| Maine Medical Center | 6 | 44 | 28,882.72 |
| Megquier Hill Farms | 5 | 6 | 23,626.00 |
| Nichols Portland | 1 | 1 | 0.00 |
| Oakhurst Dairy | 1 | 1 | 2,001.00 |
| Pike Industries Inc - Portland | 5 | 5 | 75,054.39 |
| Regional Waste Systems Inc | 8 | 27 | 804,591.88 |
| Wise Business Forms (Frmly Epx Group) | 1 | 1 | 1,068.00 |