Overpopulation has resulted in the depletion of our water bodies. Deforestation has further compounded the deficiency of water. Several areas are critically affected by a dearth of usable water.
May be in this backdrop the Government of Kerala made laws for harvesting rain water. Facilities such as tanks and pipes are to be installed at the rate of collection of 25 litres of water for one square metre area for residential buildings and 50 litres per square metre for commercial buildings. This means having constructed a residential building of 100 sq.m area, owner has to spend lakhs to make PVC/Ferro cement tank to hold 2500 litres of water. This will break the back bone of the owner.
Moreover, the tanks made of PVC or concrete is not eco-friendly and they immensely contribute to global warming. Again rivers, lakes and ponds are refilled with rain water and if all people collect water and hold it in their tanks, no refilling will happen unless there is heavy rain.
Further, water requirement of some districts is less compared to others and hence a uniform pattern for rain water harvesting is not at all advisable.
Hence, a revision is needed for rain water policy of Kerala government.
Rain water harvesting strategy should not be made a cause for environmental impact and a curse to those who make a new building.
K A Solaman
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