AVERAGE WATER LEVEL FLUCTUATION IN THE CHENNAI CITY 

 FROM JANUARY TO DECEMBER FOR THE YEARS 2008 & 2009

 

Area

year

I

II

III

IV

V

VI

VII

VIII

IX

 

X

 

Average  well Depth  in ‘metres’ below ground level   7.50  

9.05

 

8.20 9.80   9.85 7.50   8.40   10.20 11.20 9.50

Month/Year

(Average water level in 'metres' below   ground  level)  

Janunary  

2008 2.29 3.23 1.54 2.33 2.68 2.48 2.23 1.63 2.43 2.36
2009 2.44 3.12 2.23 2.30 1.80 2.84 1.73 1.43 2.95 2.06

February 

2008 2.78 3.46 1.86 2.75 3.11 2.80 2.36 1.80 2.81 2.92
2009 3.07 3.47 2.78 2.63 3.61 3.30 2.33 2.28 3.47 2.45

March 

2008 2.58 3.42 1.89 2.69 2.83 2.96 2.49 1.92 2.89 3.02
2009 3.50 3.76 3.06 2.90 3.50 3.48 2.55 3.07 4.36 2.88
April 2008 3.03 3.75 2.24 3.29 3.26 3.30 2.73 2.55 3.41 3.37
2009 4.12 4.15 3.48 3.34 3.82 3.95 2.90 3.40 5.11 3.23
May 2008 3.65 4.05 2.48 3.30 3.49 3.75 2.86 2.80 3.79 3.66
2009 4.55 4.35 3.63 3.57 3.96 4.10 3.02 3.60 5.50 3.38
June 2008 3.93 4.30 2.59 3.61 3.61 3.90 3.00 2.92 4.09 3.89
2009 4.87 4.62 3.81 3.91 4.22 4.40 3.22 3.81 5.87 3.69
July 2008 4.15 4.45 2.97 3.73 3.93 4.29 3.15 3.02 5.01 3.94
2009 5.46 4.85 3.91 4.50 4.43 4.62 3.37 3.95 6.26 3.91
August 2008 4.10 4.42 2.78 3.61 3.03 4.25 2.85 2.28 4.68 3.71
2009 5.48 4.80 3.28 4.15 3.82 4.40 2.95 3.39 5.23 3.65
September 2008 4.28 4.55 2.95 3.78 3.25 4.45 2.95 2.47 4.82 3.82
2009 5.56 4.94 3.30 4.35 4.02 4.61 3.17 3.67 5.45 3.81
October 2008 2.58 3.56 2.08 2.33 2.00 3.17 2.38 1.22 3.10 2.12
2009 5.62 4.96 3.34 4.45 4.03 4.66 3.37 3.72 5.50 3.08
November 2008 2.58 3.56 2.08 2.33 2.00 3.17 2.38 1.22 3.10 2.12
2009 2.78 3.38 1.56 2.35 1.87 2.50 1.61 1.43 1.93 1.65
December 2008 1.97 2.92 1.97 2.01 2.30 2.51 1.54 1.30 2.21 1.67
2009 2.47 3.52 1.92 2.60 2.19 2.86 1.82 1.49 2.05 1.70

              

AVERAGE WATER LEVEL MEASURED IN NEYVELI WELLFIELDS

 FROM  JANUARY TO DECEMBER FOR THE YEAR   2008 & 2009

Name of the Observation   Well locations

Year

Vadakathu

Kadampuliyur

Break Pressure Tank

Panruti Yard

Average   well depth   in ‘metres’  below ground level 

 

245.00

245.00

245.00

245.00

Month / Year

(Average water level in 'metres' below ground level)

January

 

 2008

66.59

40.23

-- #

66.46

2009

66.31

40.84

-- #

-- #

February

 

 2008

66.68

40.08

-- #

63.77
2009

66.67

40.46

-- #

-- #

March

 

 2008

65.22

40.00

-- #

63.57
2009

66.47

40.53

-- #

-- #
April 2008

66.14

40.30

-- #

63.62
2009

67.36

41.68

-- #

-- #
May 2008

66.59

41.37

-- #

63.70
2009

68.42

43.12

-- #

-- #
June 2008

67.66

41.70

-- #

63.80
2009

69.55

44.65

-- #

-- #
July 2008

67.86

42.32

-- #

-- #
2009

70.33

44.95

-- #

-- #
August 2008

67.05

42.25

94.86

-- #
2009

70.63

45.11

-- #

-- #
September 2008 66.97

42.06

94.86

-- #
2009 69.72

44.50

-- #

-- #
October 2008 66.75

42.21

-- #

-- #
2009 69.87

44.72

-- #

-- #
November 2008 67.50

42.51

-- #

-- #
2009 65.87

43.35

-- #

-- #
December 2008 65.54

40.54

-- #

-- #
2009 63.12

42.26

-- #

-- #

                                                 -- #    PVC pipe assembly dismantled 

            AVERAGE WATER LEVEL  FLUCTUATION IN THE SIX WELL FIELDS

FROM  JANUARY TO DECEMBER FOR THE YEARS  2008 & 2009  

  

Name of Wellfield

Year

Poondi

Tamarai -pakkam

Flood Plains

Kannigaiper

 

Panjetty Minjur

Average       well Depth       in ‘mts’     below ground level  

 

31.00

41.00

40.00

38.00

44.00

38.00

Month/Year

(Average water level in 'metres' below ground level)

January

 

 2008

15.07

17.85

21.89

30.22

38.02

24.47
2009

13.75

15.81

18.42

27.70

35.48

20.54

February

 

 2008

15.27

18.00

22.08

30.41

38.20

24.82
2009

14.02

15.94

18.66

27.97

35.59

20.94

March

 

 2008

15.35

18.15

22.26

30.50

38.27

24.95
2009

14.40

16.34

19.05

28.12

36.71

21.32

April 2008

15.68

18.36

22.53

30.75

38.49

25.15
2009

14.92

16.89

19.64

28.31

35.81

21.79

May 2008

16.03

19.09

22.81

30.95

38.67

25.73
2009

15.45

17.44

20.08

28.52

35.91

22.45

June 2008

16.35

19.71

23.10

31.19

38.83

26.24
2009

16.09

18.16

20.46

28.73

35.00

23.17

July

 

 2008

16.95

20.26

23.42

31.47

38.98

26.62
2009

16.87

18.96

21.00

28.95

36.09

23.96

August 2008

17.02

20.66

23.65

31.62

39.09

26.80
2009

17.39

19.43

21.43

29.05

36.14

24.45

September 2008

17.34

21.04

23.88

31.77

39.23

27.14
2009

17.84

19.81

21.80

29.13

36.20

24.78

October 2008

16.85

20.64

23.52

31.33

38.84

26.72
2009

18.35

20.41

22.27

29.34

36.32

25.25

November 2008

16.85

20.64

23.52

31.33

38.84

26.72
2009

16.91

19.23

21.65

28.99

35.83

23.32

December 2008

13.61

15.54

18.17

27.45

35.35

20.36
2009

15.87

18.37

21.27

28.76

35.09

22.98

 

 

 

 

 

 

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