Metals

Season

S1

S2

S3

S4

S5

S6

Average

WHO Standard

Fe

(mg/L)

Wet

0.49

0.10

0.58

0.93

1.97

0.47

0.76

0.3

Dry

5.12

5.44

3.41

5.44

4.68

4.80

4.82

Mn

(mg/L)

Wet

3.59

3.60

3.20

3.61

3.68

4.70

3.73

0.4

Dry

4.37

3.71

3.65

4.38

4.48

5.03

4.27

Zn

(mg/L)

Wet

0.15

0.13

0.04

0.09

0.12

0.12

0.11

5.0

Dry

1.27

1.40

1.15

1.07

1.16

1.14

1.20

Cu

(mg/L)

Wet

0.05

0.08

0.03

0.09

0.09

0.08

0.07

2.0

Dry

0.35

0.44

0.31

0.51

0.29

0.27

0.36

Cd

(mg/L)

Wet

ND

ND

ND

ND

ND

0.01

0.00

0.03

Dry

0.01

0.01

0.07

0.04

ND

0.01

0.02

Cr

(mg/L)

Wet

0.08

0.04

0.05

0.04

0.06

0.05

0.05

0.1

Dry

0.47

0.20

0.43

0.63

0.68

0.38

0.47

Pb

(mg/L)

Wet

0.02

0.01

0.01

0.01

0.01

0.02

0.02

0.01

Dry

0.54

0.75

0.70

0.71

0.62

0.29

0.60

Ni

(mg/L)

Wet

0.01

0.01

0.01

ND

ND

0.02

0.01

0.07

Dry

0.03

0.03

0.03

0.04

0.01

0.03

0.03