Table 2 Mean values of physical parameters for water sampled along the Jimi River and its tributaries
Code | pH | Conductivity (μS/cm) | Turbidity (NTU) | Alkalinity as CaCO3 (mg/L) | Total hardness (mg/L) | Calcium hardness (mg/L) | Magnesium hardness (mg/L) | Colour (Hz) |
|---|---|---|---|---|---|---|---|---|
AK | 7.29 ± 0.065 | 305.00 ± 17.0 | 10.585 ± 0.04 | 73.00 ± 10.35 | 72.24 ± 8.84 | 63.00 ± 8.0 | 9.60 ± 1.20 | 121.84 ± 0.69 |
AM | 7.29 ± 0.05 | 277 ± 13 | 103.5 ± 0.50 | 101.50 ± 6.50 | 65.24 ± 0.84 | 56.00 ± 4.20 | 9.24 ± 0.84 | 1,154.23 ± 34.23 |
JMC | 7.25 ± 0.03 | 60.00 ± 1.0 | 3.50 ± 0.01 | 52 ± 2.30 | 15.36 ± 0.08 | 12 ± 1.0 | 3.36 ± 0.16 | 40.38 ± 0.8 |
KAAC | 7.25 ± 0.02 | 1,902.00 ± 11 | 3.04 ± 0.43 | 285 ± 6.4 | 854.96 ± 11.1 | 776 ± 7.1 | 78.96 ± 1.42 | 35.08 ± 0.6 |
KK | 7.32 ± 0.81 | 503.00 ± 0.01 | 17.85 ± 0.01 | 121 ± 3.10 | 122.32 ± 5.8 | 82 ± 3.0 | 40.32 ± 0.57 | 205.96 ± 1.3 |
OK | 7.22 ± 0.51 | 272.50 ± 1.50 | 7.595 ± 6.75 | 87.5 ± 2.50 | 87.48 ± 62.44 | 69.00 ± 4.0 | 18.48 ± 3.44 | 133.785 ± 31.56 |
PPS | 8.07 ± 0.91 | 5.16 ± 0.8 | 254.00 ± 0.01 | 500 ± 12.20 | 1,841.60 ± 19 | 1,640 ± 23 | 201.60 ± 4.43 | 2,930.31 ± 18 |
WA | 7.22 ± 0.62 | 124 ± 9.6 | 25.5 ± 5.5 | 94.0 ± 9.00 | 11.36 ± 5.16 | 28.0 ± 5.4 | 3.36 ± 0.84 | 294.23 ± 94.3 |
WHO | 6.5–8.5 | 1,500.00 | 5.00 | 200.00 | 500.00 | N/A | 200.00 | 15.00 |