| Whole Effluent Toxicity Test Results (October 2010) | |
| Test Species | Measured LC50 / NOEC |
| Amphipod - Melita longidactyla | 22.10% |
| Fish - Lutjanus malabaricus | 51.70% |
| Barnacle larvae - Balanus amphitrite | 29.60% |
| Shrimp - Metapenaeus ensis | 37.40% |
| Diatom - Skeletonema costatum | 2.5% (NOEC) |