Heavy Metals in water mg/l | Season | S1 | S2 | S3 | S4 | S5 | S6 | S7 | Norms (WHO, 2006) |
Pb | Rainy (r) | 0.101 | 0.762 | 0.05 | 0.048 | 0.05 | 0.11 | 0.09 | 0.01 |
Mid rainy (m) | 0.145 | 0.953 | 0.15 | 0.09 | 0.09 | 0.13 | 0.12 | ||
Dry (d) | 0.43 | 1.02 | 0.30 | 0. 45 | 0.21 | 0.43 | 0.78 | ||
Mean | 0.22 | 0.91 | 0.16 | 0.069 | 0.11 | 0.22 | 0.33 | ||
Cd | Rainy (r) | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.1 | 0.003 |
Mid rainy (m) | 0.017 | 0.081 | 0.009 | 0.016 | 0.016 | 0.01 | 0.01 | ||
Dry (d) | 0.051 | 0.045 | 0. 034 | 0.035 | 0.025 | 0.02 | 0.035 | ||
Mean | 0.05 | 0.07 | 0.05 | 0.05 | 0.04 | 0.04 | 0.04 | ||
Fe | Rainy (r) | 5 | 7 | 2.9 | 0.7 | 1 | 1 | 1 | <0.3 |
Mid rainy (m) | 0.315 | 0.007 | 0.009 | 0.016 | 0.01 | 0.01 | 0.01 | ||
Dry (d) | 0.04 | 0 | 0.03 | 0 | 0 | 0.01 | 0 | ||
Mean | 1.78 | 2.33 | 0.98 | 0.23 | 0.33 | 0.34 | 0.33 | ||
Mn | Rainy (r) | 0 | 0 | 0 | 0 | 0 | 0 | 0 | <0.05 |
Mid rainy (m) | 0.02 | 0.09 | 0.1 | 0.06 | 0 | 0.01 | 0.02 | ||
Dry (d) | 3.49 | 2.32 | 2.43 | 1.62 | 1.47 | 2.06 | 2.15 | ||
Mean | 1.17 | 0.80 | 0.84 | 0.56 | 0.49 | 0.69 | 0.72 | ||
Cr | Rainy (r) | 0.80 | 0.1 | 0.80 | 0.1 | 0.1 | 0.1 | 0.1 | <0.05 |
Mid rainy (m) | 0.84 | 0.04 | 0.84 | 0.04 | 0.005 | 0.00 | 0.01 | ||
Dry (d) | 0.299 | 0.309 | 0.22 | 0.044 | 0.19 | 1.44 | 0.73 | ||
Mean | 0.54 | 0.12 | 0.10 | 0.03 | 0.07 | 0.48 | 0.25 | ||
Cu | Rainy (r) | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 0.02 | 1 |
Mid rainy (m) | 0.041 | 0.059 | 0.02 | 0.068 | 0.06 | 0.05 | 0.11 | ||
Dry (d) | 0.299 | 0.309 | 0.22 | 0.44 | 0.19 | 0.17 | 0.18 | ||
Mean | 0.14 | 0.15 | 0.11 | 0.20 | 0.12 | 0.10 | 0.13 | ||
Zn | Rainy (r) | 0.15 | 0.2 | 0.2 | 0.1 | 0.1 | 0.2 | 0.2 | 5 |
Mid rainy (m) | 0.11 | 0.976 | 0.68 | 0.761 | 0.70 | 1.34 | 0.78 | ||
Dry (d) | 0.20 | 0.029 | 0.10 | 0.053 | 0.04 | 0.10 | 0.06 | ||
Mean | 0.43 | 0.40 | 0.32 | 0.30 | 0.28 | 0.54 | 0.34 | ||
pH | Mean | 7.8 | 8.2 | 8.4 | 7.7 | 7.8 | 8.5 | 8.01 | 6.5 - 8.5 |
EC | Mean | 345 | 1134 | 923 | 319 | 574 | 1484 | 860 | <500 |
TDS | Mean | 171 | 687 | 456 | 159 | 273 | 884 | 520 | Max. 1500 µs/cm |