| Seasons | ||||||||||
|
BV |
Settings |
Units | Dry Season | Rainy season | ||||||
| Max | Min | Moy | Ec | Max | Min | Moy | Ec | |||
| Okpara Basin | Nitrates | mg/L | 5.40 | 0.00 | 0.80 | 1.17 | 12.60 | 0.10 | 3.57 | 3.47 |
| Nitrites | mg/L | 0.45 | 0.00 | 0.08 | 0.13 | 3.34 | 0.00 | 0.42 | 0.78 | |
| Phosphates | mg/L | 6.40 | 0.25 | 2.45 | 2.07 | 2.32 | 0.20 | 0.87 | 0.57 | |
| SS | mg/L | 0.52 | 0.00 | 0.08 | 0.13 | 40.00 | 0.00 | 7.23 | 11.85 | |
| EC | µs/cm | 1460.43 | 48.80 | 558.18 | 413.46 | 3337.80 | 40.50 | 580.00 | 565.80 | |
| pH | UpH | 9.14 | 5.84 | 7.17 | 0.79 | 9.38 | 6.28 | 7.45 | 0.78 | |
| T | ˚C | 33.00 | 28.00 | 30.82 | 1.23 | 29.50 | 24.50 | 27.05 | 1.33 | |
| Eh | mV | 42.45 | −131.61 | −36.12 | 51.80 | 48.80 | −89.50 | −10.16 | 42.07 | |
| COD | mg/L | 232.08 | <1 | 46.39 | 73.63 | 202.40 | <1 | 58.22 | 65.68 | |
| BOD5 | mg/L | 55.00 | <1 | 8.78 | 18.73 | 12.00 | <1 | 4.50 | 4.80 | |