Toxic Metal | Rainy Season Conc. (mg/L) | Dry Season Conc. (mg/L) | Mean Conc. (mg/L) | Mean Conc. (mg/kg) | WHO Limit (mg/kg) |
As | 0.0001 | 0.00013 | 0.000115 | 0.00571 | 0.26 |
Cd | −0.0014 | 0 | −0.0007 | −0.03476 | 0.2 |
Cr | −0.1875 | 0.02 | −0.08375 | −4.15839 | 0.5 |
Cu | −0.0004 | 0.0007 | 0.00015 | 0.007448 | 0.2 |
Hg | 0.0001 | −0.255 | −0.12745 | −6.3282 | 0.6 |
Ni | 0.0206 | 0.01 | 0.0153 | 0.759682 | 0.5 |
Pb | 0.0815 | 0.07 | 0.07575 | 3.761172 | 1.0 |
Zn | 0.0308 | 0.11555 | 0.073175 | 3.633317 | 50 |