| S/N | Parameter | ST | NY | KY | B N | KK | NS | UR | ML | BD | MD | BL | RC | WHO | NAFDAC |
| 1. | pH | 6.1 | 6.8 | 6.5 | 7.2 | 6.5 | 7.1 | 7.1 | 6.6 | 7.0 | 6.7 | 7.1 | 7.3 | 6.5 - 8.5 | 6.5 - 8.5 |
| 2. | Temperature (˚C) | 30.0 | 31.0 | 30.2 | 31.5 | 30.5 | 31.1 | 29.8 | 33.1 | 30.7 | 30.6 | 31.1 | 30.9 | 40.0 | Ambient |
| 3. | Turbidity (ntu) | 4.7 | 4.6 | 4.6 | 4.3 | 4.1 | 3.8 | 3.7 | 3.9 | 3.8 | 4.8 | 3.4 | 4.1 | 5 - 25 | 0 - 5 |
| 4. | Conductivity (µs/cm) | 183 | 188 | 191 | 191 | 196 | 197 | 190 | 188 | 187 | 190 | 194 | 191 | 250 | 1000 |
| 5. | Chloride mg /L | 37.5 | 40.9 | 41.9 | 25.9 | 28.3 | 20.2 | 22.5 | 45.9 | 49.2 | 16.5 | 21.8 | 30.9 | 250 | 250 |
| 6. | Nitrite mg/L | 0.6 | 0.6 | 0.6 | 0.4 | 0.4 | 0.4 | 0.1 | 0.1 | 0.5 | 0.5 | 0.5 | 0.5 | 5.0 | 4.0 |
| 7. | Iron mg/L | 0.0 | 0.0 | 0.1 | 0.0 | 0.1 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | - | 0.1 |
| 8. | Copper mg/L | 0.44 | 0.34 | 0.50 | 0.33 | 0.45 | 0.40 | 0.60 | 0.60 | 0.58 | 0.29 | 0.30 | 0.69 | 1.0 | 1.0 |
| 9. | Total dissolved solid (TDS) mg/L | 455 | 600 | 560 | 666 | 609 | 700 | 546 | 768 | 749 | 608 | 709 | 688 | 1500 | 500 |