Research Article
Investigation of the Aquifer Protective Capacity and Groundwater Quality around Some Open Dumpsites in Sapele Delta State, Nigeria
Table 5
Concentration of constituents in groundwater in the study area.
| Borehole | pH | EC (μS/cm) | Temperature (°C) (mg/L) | TDS (mg/L) | NH4+ (mg/L) | Al3+ (mg/L) | Zn2+ (mg/L) | Ni2+ (mg/L) | Fe2+ (mg/L) | Pb2+ (mg/L) | Cd2+ (mg/L) |
| BH1 | 6.81 | 88.42 | 28.50 | 82.45 | 0.08 | 0.07 | 0.70 | 0.45 | 0.76 | 0.79 | 0.17 | 6.50 | 86.21 | 28.42 | 82.22 | 0.06 | 0.07 | 0.60 | 0.43 | 0.76 | 0.78 | 0.16 | BH2 | 6.73 | 98.54 | 28.81 | 99.62 | 0.05 | 0.08 | 0.40 | 0.37 | 0.73 | 0.79 | 0.19 | 6.60 | 95.26 | 28.80 | 96.12 | 0.04 | 0.06 | 0.40 | 0.35 | 0.71 | 0.76 | 0.17 | BH3 | 6.81 | 94.45 | 28.23 | 88.62 | 0.08 | 0.07 | 0.50 | 0.48 | 0.67 | 0.74 | 0.16 | 6.57 | 96.12 | 28.16 | 87.16 | 0.07 | 0.06 | 0.40 | 0.45 | 0.65 | 0.73 | 0.16 | BH4 | 6.57 | 87.11 | 28.45 | 92.25 | 0.05 | 0.06 | 0.60 | 0.52 | 0.75 | 0.69 | 0.15 | 6.21 | 82.67 | 28.34 | 95.24 | 0.04 | 0.05 | 0.50 | 0.50 | 0.75 | 0.65 | 0.14 | BH5 | 6.55 | 91.22 | 28.13 | 82.14 | 0.05 | 0.05 | 0.80 | 0.24 | 0.36 | 0.47 | 0.07 | 6.41 | 89.24 | 28.12 | 79.12 | 0.05 | 0.04 | 0.80 | 0.22 | 0.35 | 0.45 | 0.06 | BH6 | 6.71 | 94.12 | 28.76 | 80.12 | 0.06 | 0.08 | 0.80 | 0.23 | 0.39 | 0.46 | 0.08 | 6.42 | 93.24 | 28.56 | 79.12 | 0.06 | 0.07 | 0.70 | 0.22 | 0.35 | 0.46 | 0.07 | Max | 6.70 | 92.67 | 28.47 | 87.53 | 0.06 | 0.07 | 0.63 | 0.38 | 0.61 | 0.66 | 0.14 | Min | 6.45 | 90.12 | 28.40 | 86.50 | 0.05 | 0.06 | 0.57 | 0.36 | 0.60 | 0.64 | 0.13 | Range | 0.25 | 2.55 | 0.07 | 1.03 | 0.01 | 0.01 | 0.06 | 0.02 | 0.01 | 0.02 | 0.01 | Mean | 6.58 | 91.40 | 28.44 | 87.01 | 0.06 | 0.07 | 0.60 | 0.37 | 0.61 | 0.65 | 0.14 | SON permitted limit (2007) | 6.5–8.5 | 1000 | 25 | 500 | 0.5 | 0.2 | 3 | 0.02 | 0.3 | 0.01 | 0.003 |
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