Code/Town Parameter | RA 50 | RA 90 | Wurakese | BH 2 | BH 1 | Onwa | GS 175-1/WHO Guideline |
Colour | 37.50 | 100.00 | 2.50 | 2.50 | 2.50 | 2.50 | 15 |
pH | 6.63 | 6.59 | 6.13 | 4.75 | 6.40 | 5.75 | 6.5 - 8.5 |
Turbidity | 15.00 | 28.00 | 1.00 | 1.00 | 1.00 | 1.00 | 5 |
Conductivity | 284.00 | 269.00 | 282.00 | 258.00 | 514.00 | 163.00 | - |
TDS | 156.00 | 148.00 | 155.00 | 142.00 | 283.00 | 89.70 | 1000 |
TSS | 6.00 | 16.00 | 1.00 | <1.00 | <1.00 | 1.00 | - |
Na+ | 10.00 | 8.00 | 25.00 | 15.20 | 10.50 | 33.00 | 200 |
K+ | 3.70 | 3.20 | 2.20 | 3.60 | 3.90 | 2.60 | 30 |
Ca2+ | 24.70 | 17.70 | 13.80 | 7.30 | 36.70 | 11.60 | 200 |
Mg2+ | 5.90 | 3.40 | 8.80 | 10.60 | 16.40 | 3.00 | 150 |
Cl− | 15.90 | 9.90 | 13.90 | 59.60 | 29.80 | 59.60 | 250 |
| 20.60 | 48.00 | 20.80 | 15.60 | 6.11 | 7.33 | 250 |
| 79.10 | 61.50 | 97.40 | 23.70 | 150.00 | 40.00 | - |
Fe | 3.41 | 3.73 | 2.79 | 0.07 | 0.09 | 0.14 | 0.3 |
Mn | 0.96 | 1.14 | 0.17 | - | 0.35 | 0.08 | 0.4 |
NO3-N | <0.001 | <0.001 | 3.35 | 3.10 | <0.001 | 1.12 | 10 |