| Polluter | Pollutants | Sources | Emissions |
|---|---|---|---|
| Aes Warrior Run | 9 | 41 | 5,488,729.00 |
| Allwood Products - Frostburg | 6 | 24 | 18,000.00 |
| Mountain View Landfill / Chambers | 28 | 28 | 7,857.54 |
| Upper Potomac River Commission | 7 | 50 | 101,960.00 |
| Us Marine - Cumberland I | 11 | 46 | 329,512.00 |
| Us Marine - Cumberland Ii | 11 | 58 | 294,870.00 |
| Vale Summit I Sanitary Landfill | 28 | 28 | 7,786.76 |
| Westvaco Fine Papers | 37 | 884 | 54,280,783.70 |