| Parameter | Unit | Importance Value (wi) |
| Temperature | ˚C | 0.08 |
| Oxygen saturation | % | 0.20 |
| BOD | mg/L | 0.20 |
| pH | pH scale | 0.10 |
| Nitrate | mg/L | 0.10 |
| Phosphorous | mg/L | 0.10 |
| Ammonia | mg/L | 0.15 |
| Electrical Conductivity | µs/cm | 0.07 |
| Total weight | 1.00 | |