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Effect of Industrial Effluent on Irrigation Water Quality of Choba River in the Niger Delta Region of Nigeria
Research Journal of Ecology and Environmental Sciences
| Vol 2, Issue 4
Table 4. Primary water parameters at varying locations along the Choba river
| Parameters | Units | SECTIONS ALONG CHOBA RIVER | ||||
| A | B | C | D | E | ||
| pH |
| 5.6 | 5.5 | 4.48 | 5.23 | 5.33 |
| Electrical Conductivity (EC) | µS/cm | 77 | 41.33 | 181 | 502.33 | 56.33 |
| Alkalinity | % | 35.67 | 64 | 27.68 | 25.33 | 86 |
| Sodium (Na+) | mg/l | 13.285 | 17.285 | 16.685 | 17.485 | 18.285 |
| Potassium (K+) | mg/l | 2.706 | 1.6 | 1.41 | 0.984 | 4.109 |
| Calcium (Ca2+) | mg/l | 80.45 | 79.8 | 74.6 | 90.01 | 85.37 |
| Magnesium (Mg2+) | mg/l | 8.6 | 14.01 | 6.01 | 3.13 | 12.53 |
| Chloride (Cl-) | mg/l | 122.77 | 197.08 | 116.35 | 185.54 | 149.17 |
| Carbonate (CO3-) | mg/l | 4.77 | 2.47 | 10.07 | 5 | 2.67 |
| Bicarbonate (HCO3-) | mg/l | 59.38 | 78.31 | 33.75 | 30.9 | 105.6 |
| Nitrate (NO3-) | mg/l | 0.58 | 0.57 | 0.94 | 0.95 | 0.53 |
| Sulphate (SO42+) | mg/l | 7.68 | 4. 67 | 5.06 | 4.78 | 4.78 |
| Phosphate (PO43-) | mg/l | 0.036 | 0.017 | 0.022 | 0.023 | 0.022 |
| Iron (Fe2+) | mg/l | 0.2 | 0.18 | 0.33 | 0.22 | 0.19 |
| Lead (Pb2+) | mg/l | 0.23 | 0.3 | 0.33 | 0.18 | 0.09 |
| Total Petroleum Hydrocarbon (TPHC) | mg/l | 0 | 14.52 | 174.32 | 80.39 | 39.02 |