Year

Quality Rating Index (qi)

TDS

SAR

Na%

PI

MR

2006

42.17

13.32

68.26

76.14

99.81

2007

45.28

11.76

66.10

74.37

98.01

2008

42.09

9.82

59.14

72.19

95.68

2009

36.62

10.77

72.09

81.98

105.21

2010

42.39

19.45

77.90

87.74

112.51

2011

47.92

15.72

82.59

88.40

113.41

2012

47.09

20.04

94.22

99.78

130.76

2013

42.32

22.68

88.49

97.47

130.80