AVERAGE WATER LEVEL MEASURED IN SHALLOW WELLS IN CHENNAI CITY  FOR THE YEAR 2007

 

Area

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)  

Jan' 2007  

2.75 3.45 2.23 3.97 2.89 2.90 2.55 2.07 2.47 2.41

Feb'2007  

3.13 3.61 2.33 4.19 3.25 3.16 2.65 2.35 3.35 3.12

Mar' 2007  

3.61 3.85 2.56 4.60 3.58 3.60 2.91 2.70 3.82 3.20

Apr' 2007  

3.98 4.03 2.67 4.83 3.81 3.81 3.12 2.92 4.56 3.33

May 2007  

4.28 4.27 2.81 5.00 4.02 4.03 3.50 3.22 4.80 3.51

Jun' 2007  

4.47 4.40 2.91 4.97 3.92 3.99 3.31 3.09 4.61 3.43

Jul' 2007  

4.42 4.28 2.29 4.29 3.33 3.66 2.52 2.93 3.82 3.10

Aug' 2007  

4.30 4.07 1.99 3.70 2.60 3.10 2.25 1.95 2.83 2.39

Sep' 2007

4.16

3.88

2.00

3.59

2.79

3.02

2.37

1.97

3.10

2.72

Oct' 2007

3.22

3.50

1.40

2.85

2.28

2.51

2.10

1.59

1.97

1.86
Nov'2007

2.51

3.39

 1.64 2.75 2.38 2.21 2.12 1.44 2.59 2.32
Dec'2007

2.05

 3.07 1.32 2.12 2.28 2.13 2.10 1.26 1.59 1.98

              

      AVERAGE WATER LEVEL MEASURED IN SIX WELL FIELDS FOR THE YEAR 2007

  

Name of Wellfield

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)

Jan' 2007

26.38

34.50

34.91

35.10

41.42

34.17

Feb' 2007  

17.55

18.49

21.85

29.27

37.69

26.97

Mar' 2007  

17.94

19.01

22.18

29.79

37.93

27.27

Apr' 2007  

18.58

19.62

22.67

30.10

38.22

27.61

May 2007  

18.99

20.25

23.01

30.58

38.49

27.91

Jun' 2007  

19.31

20.96

23.58

30.97

38.72

28.12

Jul' 2007  

19.62

21.40

23.93

31.25

38.89

28.31

Aug' 2007  

19.36

21.60

24.17

31.37

38.98

28.46

Sep' 2007 19.21 21.71 24.32 31.49 39.06 28.68
Oct' 2007 17.91 20.91 23.90 31.21 38.90 28.39
Nov'2007 17.75 20.57 23.76 30.83 38.83 28.21
Dec'2007 15.92 18.15 22.22 30.53 38.44 26.68

 

AVERAGE WATER LEVEL MEASURED IN NEYVELI WELL FIELDS FOR THE YEAR 2007

Name of the Observation   Well locations

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)

Jan'2007

66.72

81.04

95.98

65.58

Feb'2007

66.44

80.99

95.85

64.85

Mar'2007

67.29

81.04

96.19

65.53

Apr'2007

67.87

81.22

96.31

66.14

May 2007

69.34

81.30

96.62

66.44

Jun'2007

70.40

81.40

97.23

66.67

Jul'2007

70.05

81.45

97.23

67.13

Aug'2007

68.65

81.53

97.18

67.20

Sep'2007 67.98 81.55 97.05 67.37
Oct'2007 68.58 81.61 97.35 67.51
Nov'2007 67.69 81.47 97.14 67.37
Dec'2007 67.05 81.40 96.85 67.13