Parameter

2010

2011

2012

2013

2014

2015

Mean ± SD

Mean ± SD

Mean ± SD

Mean ± SD

Mean ± SD

Mean ± SD

pH

7.22 ± 0.09

7.12 ± 0.22

7.31 ± 0.15

7.38 ± 0.16

7.45 ± 0.14

7.50 ± 0.26

Turbidity NTU

19 ± 2.33

23.09 ± 6.16

264.84 ± 182.62

276.34 ± 141.05

327.42 ± 171.82

344.56 ± 130.58

Temperature ˚C

25 ± 0.51

25.41 ± 0.30

25.41 ± 0.30

25.51 ± 0.80

25.76 ± 0.83

27.71 ± 2.58

Conductivity ms/cm

356 ± 35.64

370.56 ± 15.91

330.67 ± 38.84

330.67 ± 38.84

299.11 ± 33.31

313.75 ± 85.56

TDS mg/L

183 ± 13.91

333.16 ± 522.22

231.47 ± 27.19

231.47 ± 27.19

209.38 ± 23.32

217.88 ± 58.86

Ammonia mg/L

1 ± 0.81

1.20 ± 0.47

1.25 ± 0.53

1.32 ± 0.51

1.37 ± 0.67

1.42 ± 0.71

Nitrite mg/L

0.05 ± 0.02

0.30 ± 0.20

0.65 ± 0.25

2.82 ± 5.62

0.70 ± 0.62

3.80 ± 1.83

Nitrate mg/L

1 ± 0.08

2.05 ± 0.19

19.53 ± 2.77

20.75 ± 4.54

21.53 ± 4.65

24.18 ± 4.21

Chloride mg/L

16 ± 0.65

15.25 ± 1.15

24.21 ± 12.53

18.92 ± 3.73

20.08 ± 2.91

27.73 ± 6.58

T A mg/L

38 ± 4.93

57.75 ± 5.46

60.00 ± 4.88

58.17 ± 4.00

65.25 ± 7.59

127.08 ± 83.20

T H mg/L

85 ± 7.68

85.25 ± 5.19

80.75 ± 7.01

84.3533 ± 9

82.75 ± 4.11

94.92 ± 26.12

CaH mg/L

37 ± 5.84

33.25 ± 7.90

58.50 ± 6.62

27.83 ± 11.68

49.75 ± 5.94

59.33 ± 12.15

MgH mg/L

48 ± 5.40

47.83 ± 9.47

22.25 ± 6.61

27.83 ± 11.68

33.00 ± 8.15

35.58 ± 16.18

Ca mg/L

13.30 ± 3.1

15 ± 2.34

23.40 ± 2.50

22.60 ± 2.09

19.90 ± 2.38

22.67 ± 4.69

Mg mg/L

14 ± 1.57

13.87 ± 2.75

6.79 ± 0.73

6.55 ± 0.60

9.57 ± 2.36

8.74 ± 3.21

Arsenic mg/L

0 ± 0.00

0.00 ± 0.00

0.00 ± 0.00

0 ± 00

0.00 ± 0.00

0.00 ± 0.00

Copper mg/L

0.21 ± 0.17

0.16 ± 0.11

1.26 ± 0.79

1.61 ± 1.58

0.36 ± 0.14

2.38 ± 0.77

Lead mg/L

0 ± 0.00

0.00 ± 0.00

0.00 ± 0.00

0.00 ± 0.00

0.00 ± 0.00

0.00 ± 0.00

Total Iron mg/L

0.95 ± 0.41

1.21 ± 0.24

1.68 ± 0.48

1.73 ± 0.48

1.68 ± 0.64

1.69 ± 0.95

Zinc mg/L

0.42 ± 0.18

0.66 ± 0.78

0.66 ± 0.78

0.66 ± 0.78

0.69 ± 0.55

2.35 ± 0.50

Fluoride mg/L

0.43 ± 0.44

0.28 ± 0.17

0.95 ± 0.47

0.66 ± 0.44

0.70 ± 0.19

1.33 ± 0.43

Sulphate mg/L

47.26 ± 12.90

17.95 ± 10.11

21.91 ± 2.75

13.83 ± 3.74

15.70 ± 4.10

16.92 ± 6.27

Phosphate mg/L

16.46 ± 5.57

19.15 ± 2.40

22.21 ± 3.90

23.34 ± 4.35

24.55 ± 5.08

27.34 ± 4.71

Al mg/L

0.59 ± 0.72

0.23 ± 0.13

0.69 ± 0.54

2.29 ± 6.52

0.53 ± 0.22

0.34 ± 0.14

Mn mg/L

0.25 ± 0.12

0.52 ± 0.19

0.43 ± 0.24

0.35 ± 0.13

0.53 ± 0.15

1.38 ± 3.39