Parameters (mg/L) | January | February | March | April | May | June | Max. | Min. | Avg. |
Al | 0.056 | 0.056 | 0.061 | 0.071 | 0.046 | 0.065 | 0.071 | 0.046 | 0.059 |
Cr | 0.076 | 0.076 | 0.075 | 0.095 | 0.034 | 0.082 | 0.095 | 0.034 | 0.073 |
Mn | 0.005 | 0.005 | 0.005 | 0.004 | 0.003 | 0.003 | 0.005 | 0.003 | 0.004 |
Co | 0.0002 | 0.0002 | 0.0002 | 0.0003 | 0.0004 | 0.0002 | 0.0004 | 0.0002 | 0.0003 |
Ni | 0.0006 | 0.0006 | 0.0006 | 0.0009 | 0.0007 | 0.0008 | 0.0009 | 0.0006 | 0.0007 |
Cu | 0.689 | 0.89 | 0.703 | 0.854 | 0.764 | 0.443 | 0.854 | 0.443 | 0.690 |
Zn | 0.004 | 0.004 | 0.002 | 0.006 | 0.007 | 0.001 | 0.007 | 0.001 | 0.004 |
Cd | 0.031 | 0.031 | 0.024 | 0.019 | 0.017 | 0.024 | 0.031 | 0.017 | 0.024 |
Pb | 0.084 | 0.084 | 0.075 | 0.057 | 0.068 | 0.056 | 0.084 | 0.056 | 0.071 |