AVERAGE
WATER LEVEL MEASURED IN SHALLOW WELLS IN CHENNAI CITY
|
Area |
I |
II |
III |
IV |
V
|
VI |
VII |
VIII |
IX
|
X
|
|
Average
well Depth
in ‘metres’ |
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 |
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. |
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. |
38.22 |
27.61 |
| May 2007 |
18.99 |
20.25 |
23.01 |
30. |
38.49 |
27.91 |
| Jun' | ||||||