Toxic Metal | Rainy Season Conc. (mg/L) | Dry Season Conc. (mg/L) | Mean Conc. (mg/L) | Mean Conc. (mg/kg) | ICPR Limit (mg/kg) |
As | 0.0013 | 0.00145 | 0.001375 | 0.034 | 1.0 |
Cd | −0.0018 | 0.01 | 0.0041 | 0.102 | 0.1 |
Cr | −0.0015 | 0.15 | 0.07425 | 1.855 | 30.0 |
Cu | 0.0004 | 0.017 | 0.0087 | 0.217 | 25.0 |
Hg | 0.0001 | −16.645 | −8.32245 | −207.957 | 0.5 |
Ni | 0.0304 | −0.1 | −0.0348 | −0.870 | 50.0 |
Pb | 0.1297 | 0.175 | 0.15235 | 3.807 | 40.0 |
Zn | 0.0022 | 2.49625 | 1.249225 | 31.215 | 90.0 |