| Whole Effluent Toxicity Test Results (September 2010) | |
| Test Species | Measured LC50 / NOEC |
| Amphipod - Melita longidactyla | 24.80% |
| Fish - Lutjanus malabaricus | 43.20% |
| Barnacle larvae - Balanus amphitrite | 28.90% |
| Shrimp - Metapenaeus ensis | 34.30% |
| Diatom - Skeletonema costatum | 2.5% (NOEC) |