| Whole Effluent Toxicity Test Results (February 2011) | |
| Test Species | Measured LC50 / NOEC |
| Amphipod - Melita longidactyla | 26.30% |
| Fish - Lutjanus malabaricus | 38.20% |
| Barnacle larvae - Balanus amphitrite | 26.00% |
| Shrimp - Metapenaeus ensis | 35.80% |
| Diatom - Skeletonema costatum | 2.5% (NOEC) |