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Water Level Fluctuations

Water level Fluctuations in Chennai City

FROM JAN' TO NOV' FOR THE YEARS 2010 & 2011
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)
January 2010 2.84 3.73 2.29 2.98 2.64 3.20 2.11 2.04 2.76 2.17
2011 2.35 3.69 2.28 2.39 2.76 2.96 2.65 2.04 3.60 2.36
February 2010 3.52 4.03 2.71 3.40 3.07 3.46 2.40 2.70 3.20 2.70
2011 2.74 3.99 2.55 2.75 2.94 3.13 2.80 2.29 3.72 2.54
March 2010 4.21 4.51 3.27 4.14 3.36 3.84 2.73 3.06 4.30 3.15
2011 3.51 4.37 2.90 3.41 3.49 3.46 3.05 2.77 4.31 2.97
April 2010 4.60 4.80 3.48 4.79 4.28 4.37 3.10 3.50 5.69 3.66
2011 3.86 4.56 3.07 3.78 3.76 3.64 3.16 3.07 4.78 3.13
May 2010 4.18 4.55 2.62 4.45 3.29 3.57 2.80 2.83 4.14 3.18
2011 4.50 4.79 3.33 4.37 4.02 3.85 3.35 3.22 5.21 3.37
June 2010 3.80 4.45 2.45 4.20 3.01 3.55 2.61 2.36 4.03 3.06
2011 4.76 4.87 3.17 4.56 4.07 3.94 3.41 3.01 5.15 3.05
July 2010 3.25 4.39 2.35 3.63 3.19 3.54 2.93 2.45 4.82 3.22
2011 5.06 5.14 3.26 4.70 4.10 4.01 3.95 3.44 5.51 3.37
August 2010 2.57 4.12 2.10 3.14 2.60 3.11 2.57 2.03 4.16 2.57
2011 4.40 4.65 2.30 3.05 2.50 3.40 3.15 2.20 4.45 2.75
September 2010 2.67 4.22 2.29 3.35 2.91 3.24 2.62 2.25 4.60 2.69
2011 4.10 4.42 2.14 2.51 2.33 2.88 2.80 1.94 4.25 2.59
October 2010 2.13 3.90 1.94 2.55 2.29 2.82 2.20 1.63 3.95 2.30
2011 2.47 4.10 1.65 1.45 1.52 2.04 1.22 1.08 2.72 1.62
November 2010 1.88 3.60 1.70 2.16 1.57 2.48 1.80 0.87 2.76 1.27
2011 2.13 3.20 1.27 1.05 1.43 1.70 1.25 0.96 2.68 1.28

Water level Fluctuations in Wellfields

FROM JANUARY TO JUNE FOR THE YEARS 2011 & 2012
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 (Average water level in 'metres' below ground level)
January 2011 14.74 15.82 19.58 26.26 32.25 20.51
2012 13.94 12.49 13.52 22.85 27.74 16.94
February 2011 14.97 16.27 16.72 26.35 32.34 20.79
2012 14.24 12.95 13.73 22.93 27.82 17.20
March 2011 15.31 16.77 20.20 26.46 32.44 21.17
2012 14.57 13.44 14.16 23.00 27.90 17.48
April 2011 15.56 17.26 20.56 26.54 32.51 21.49
2012 14.93 14.10 14.61 23.61 27.91 17.73
May 2011 16.00 17.70 20.85 26.60 32.59 21.90
2012 15.15 14.69 14.85 23.18 28.06 17.98
June 2011 16.33 18.15 21.08 26.68 32.66 22.28
2012 15.56 14.81 15.38 23.27 28.15 18.30

Water level Fluctuations in Neyveli

FROM JANUARY TO MAY FOR THE YEAR 2011 & 2012
Name of the Observation
Well locations
Year Vadakuthu MARUVAI Break Tank
Pressure
Panruti Yard
Average well Depth in
‘mts’ below ground level
245.00 245.00 245.00 245.00
Month (Average water level in 'metres' below ground level)
January 2011 61.26 41.37 # #
2012 62.95 43.59 # #
February 2011 61.81 41.75 # #
2012 63.60 44.20 # #
March 2011 63.39 42.60 # #
2012 64.00 44.50 # #
April 2011 64.16 44.19 # #
2012 64.35 44.75 # #
May 2011 66.10 47.75 # #
2012 64.65 45.90 # #
# PVC pipe assembly dismantled
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