Parameter | Location | Range | Mean ± SE | P value | ||||
---|---|---|---|---|---|---|---|---|
Igoba | Isinigbo | Oba-Ile | Iju | Ita-Ogbolu | ||||
Electrical conductivity (μS/cm) | 246.92 ± 29.63a | 254.67 ± 37.89a | 245.42 ± 30.38a | 242.33 ± 32.00a | 263.25 ± 36.9a | 140–557 | 250.52 ± 14.52 | P > 0.05 |
pH | 7.09 ± 0.18a | 7.02 ± 0.14a | 6.89 ± 0.13a | 6.91 ± 0.11a | 6.68 ± 0.09a | 6.05–8.23 | 6.92 ± 0.06 | P > 0.05 |
Total dissolved solid (ppm) | 17.50 ± 1.46a | 17.42 ± 1.61a | 15.50 ± 1.18a | 15.83 ± 1.24a | 16.75 ± 1.30a | 10–27 | 16.60 ± 0.60 | P > 0.05 |
Temperature (℃) | 26.50 ± 0.33a | 25.99 ± 0.45a | 25.63 ± 0.45a | 26.09 ± 0.29a | 25.967 ± 0.55a | 23.1–28.7 | 26.04 ± 0.19 | P > 0.05 |
Dissolved oxygen (mg/L) | 8.01 ± 0.05a | 8.09 ± 0.07a | 8.17 ± 0.07a | 8.06 ± 0.05a | 8.10 ± 0.09a | 7.67–8.56 | 8.09 ± 0.03 | P > 0.05 |