| Whole Effluent Toxicity Test Results (December 2010) | |
| Test Species | Measured LC50 / NOEC |
| Amphipod - Melita longidactyla | 26.80% |
| Fish - Lutjanus malabaricus | 53.90% |
| Barnacle larvae - Balanus amphitrite | 32.40% |
| Shrimp - Metapenaeus ensis | 61.90% |
| Diatom - Skeletonema costatum | 2.5% (NOEC) |