Toxic Metal | Rainy Season Conc. (mg/L) | Dry Season Conc. (mg/L) | Mean Conc. (mg/L) | WHO/NSDWQ Limit (mg/L) |
As | 0.0001 | 0.0008 | 0.00045 | 0.01 |
Cd | −0.0021 | 0 | −0.00105 | 0.003 |
Cr | −0.4918 | 0 | −0.2459 | 0.05 |
Cu | 0.0014 | 0 | 0.0007 | 2.0 |
Hg | −0.0002 | −0.875 | −0.4376 | 0.006 |
Ni | 0.0282 | 0 | 0.0141 | 0.07 |
Pb | 0.1986 | 0 | 0.0993 | 0.01 |
Zn | 0.0011 | 0.02 | 0.01055 | 2.0 |