AVERAGE
WATER LEVEL FLUCTUATION IN THE CHENNAI CITY
FROM JANUARY 2004 – DECEMBER 2004
|
Area |
I |
II
|
III
|
IV
|
V
|
VI
|
VII
|
VIII
|
IX
|
X
|
|
Average Total Depth in ‘metres’ |
7.50 |
9.05
|
8.20
|
9.80
|
9.85
|
7.50
|
8.40
|
10.20
|
11.20
|
9.50
|
|
January 2004 |
5.14 |
7.09
|
4.64
|
7.50
|
6.85
|
5.15
|
5.65
|
7.71
|
7.40
|
6.56
|
|
February 2004 |
5.38 |
7.22
|
4.75
|
7.85
|
7.35
|
5.68
|
6.01
|
8.01
|
7.90
|
6.76
|
|
March 2004 |
5.52 |
7.31 |
5.09 |
8.06 |
7.62 |
5.92 |
6.35 |
8.10 |
8.16 |
7.00 |
|
April 2004 |
7.02 |
8.03 |
6.09 |
9.70 |
9.22 |
7.22 |
7.25 |
8.90 |
9.56 |
7.90 |
|
May 2004 |
4.72 |
6.88 |
4.78 |
7.55 |
7.98 |
6.08 |
5.65 |
8.40 |
8.22 |
6.28 |
|
June 2004 |
5.51 |
7.40 |
5.02 |
8.12 |
8.33 |
6.38 |
5.93 |
8.70 |
8.84 |
7.18 |
|
July 2004 |
6.33 |
7.91 |
5.35 |
8.68 |
8.69 |
6.59 |
6.06 |
9.05 |
9.36 |
7.80 |
|
August 2004 |
6.55 |
8.15 |
5.75 |
8.95 |
9.02 |
6.73 |
6.22 |
9.43 |
9.75 |
8.11 |
|
Sep' 2004 |
6.85 |
8.50 |
6.23 |
9.33 |
9.42 |
7.14 |
6.40 |
9.90 |
10.26 |
8.54 |
|
October 2004 |
6.18 |
7.40 |
5.25 |
8.08 |
7.82 |
5.65 |
5.30 |
7.47 |
6.78 |
6.54 |
|
November 2004 |
5.86 |
7.35 |
4.56 |
7.38 |
6.93 |
5.15 |
5.22 |
6.85 |
6.28 |
6.20 |
|
December 2004 |
3.58 |
6.20 |
3.96 |
5.70 |
5.10 |
4.20 |
4.42 |
5.97 |
5.13 |
4.15 |
AVERAGE
WATER LEVEL FLUCTUATION IN NEYVELI WELLFIELDS
FROM
MAY 2004 – DECEMBER 2004
|
Name of the Observation Well
locations |
Vadakathu |
Kadampuliyur
|
Break Pressure Tank |
Panruti Yard |
|
|||||
|
Average Total Depth in ‘metres’ |
245.00 |
245.00
|
245.00
|
245.00
|
|||||
|
May 2004 |
62.50 |
82.50 |
97.50 |
67.50 |
|
|||||
|
June 2004 |
60.10 |
79.50 |
91.00 |
65.00 |
|
|||||
|
July 2004 |
61.00 |
80.75 |
91.50 |
65.50 |
|
|||||
|
August 2004 |
62.05 |
80.95 |
91.75 |
65.75 |
|
|||||
|
September 2004 |
62.15 |
80.95 |
91.85 |
65.80 |
|
|||||
|
October 2004 |
61.95 |
81.30 |
92.30 |
66.00 |
|
|||||
|
November 2004 |
61.20 |
81.00 |
91.70 |
65.20 |
|
|||||
|
December 2004 |
61.50 |
81.20 |
92.35 |
65.20 |
|
|||||
AVERAGE
WATER LEVEL FLUCTUATION IN THE SIX WELLFIELDS
FROM
JANUARY 2004 – DECEMBER 2004
|
Name of Wellfield |
Poondi |
Tamarai-pakkam
|
Flood
Plains |
Kannigaiper
|
Panjetty
|
Minjur
|
|
Average otal Depth in ‘mts’ |
30.76 |
37.50 |
34.86 |
34.95 |
41.95 |
37.92 |
|
January 2004 |
23.64 |
29.63 |
31.45 |
31.16 |
38.87 |
29.61 |
|
February 2004 |
23.92 |
30.28 |
31.83 |
31.46 |
39.14 |
29.91 |
|
Mar'2004 |
24.23 |
30.88 |
32.18 |
31.78 |
39.09 |
30.25 |
|
April 2004 |
24.66 |
31.70 |
32.59 |
32.17 |
39.17 |
30.69 |
|
May 2004 |
24.06 |
32.23 |
32.85 |
32.52 |
39.51 |
31.01 |
|
June 2004 |
24.46 |
33.07 |
33.16 |
32.90 |
39.90 |
31.39 |
|
July 2004 |
24.94 |
34.04 |
33.52 |
33.35 |
40.32 |
31.89 |
|
Aug. 2004 |
25.61 |
35.51 |
34.04 |
33.95 |
40.85 |
32.51 |
|
Sep. 2004 |
26.64 |
36.75 |
34.79 |
34.89 |
41.53 |
34.04 |
|
Oct. 2004 |
26.52 |
37.01 |
35.12 |
35.22 |
41.77 |
34.27 |
|
Nov. 2004 |
26.42 |
36.86 |
34.88 |
35.14 |
41.64 |
34.17 |
|
Dec. 2004 |
26.20 |
34.18 |
34.66 |
34.96 |
41.34 |
33.89 |