| East Shore Water Pollution | 23 | 23 | 117.43 |
| Getty Terminals Corp. | 6 | 12 | 3,065.00 |
| Gulf Oil L.P. | 12 | 66 | 454,403.00 |
| H Krevit & Company Inc. | 1 | 1 | 7.00 |
| H.B. Ives Co. (Harrow Products) | 6 | 6 | 2,532.64 |
| Magellan Terminals (Formerly Williams Energy) | 20 | 92 | 55,932.65 |
| Magellan Terminals (Formerly Williams Energy) | 13 | 127 | 226,995.20 |
| Milford Barrell Co. | 3 | 3 | 2,263.00 |
| Motiva Enterprises Llc | 12 | 102 | 1,519,029.00 |
| New Haven Landfill | 28 | 28 | 2,174.96 |
| New Haven Terminal Inc. | 7 | 181 | 14,428.00 |
| Pse&G New Haven Harbor Station | 54 | 104 | 11,039,256.82 |
| Saint-Gobain Ppl Corp | 10 | 116 | 306,985.00 |
| Sargent Manufacturing Co. | 6 | 6 | 8,668.20 |
| Simkins Industries Inc. | 23 | 29 | 1,058,604.20 |
| St Raphael, Hospital Of | 6 | 84 | 128,534.00 |
| U.S. Repeating Arms Co. Inc. | 1 | 1 | 0.09 |
| U.S. Surgical Corp./Tyco Healthcare Group | 2 | 2 | 5,450.00 |
| Uretek Inc. | 3 | 3 | 13,904.00 |
| Von Roll Isola Usa Inc | 6 | 6 | 27,210.00 |
| Yale New Haven Hospital | 7 | 7 | 0.61 |
| Yale University Central Power Plant | 27 | 93 | 187,118.20 |
| Yale University Sterling Power Plant | 24 | 120 | 843,770.00 |