Eco Talk
Rain Water Harvesting
SAVE OR PERISH: Think twice before wasting water
The beauty of rainwater harvesting is that every individual can get involved in the solution rather than be part of the problem.
“Realise the potential of harvesting nature’s bounty and hold back your extravagant habits,”
Aapo rakshati rakshitaha — water saves those who protect water. This is a modification of an old Sanskrit saying ‘Dharmo rakshati rakshitahao’ and perhaps just as relevant for our times.
The cost of production of water is about Rs.18 a kilolitre at present and will rise to Rs.28 a kilolitre in the future.
All this means that we have to look at our water resources holistically and draw up an integrated plan for sustainable management of this precious natural resource.
We will need to preserve our lakes and tanks and ensure that treated water of high quality is stored in them. These lakes and tanks are like the kidneys of body.
Lakes and tanks clean water and are the ecological storehouses of bio-diversity. They recharge ground water and ensure that wells and borewells function.
Ground water
Ground water needs to be protected by legislation and it’s drawal for commercial purpose regulated. As a beginning it should be mandatory to recharge every borewell through rooftop rainwater harvesting when the borewells come up for serving domestic water requirements. If it is our right to draw water, it should be our responsibility to use it in moderation and to recharge the groundwater.
Waste-water
Water treatment and recycling will be essential to serve industrial and domestic needs. In neighbourhoods the local tank or lake which is the natural recipient of all rainwater and surface water should serve as an effluent treatment centre.
Wastewater should be treated to such high standards that it is possible to keep it in the closest lake itself. The water cycle will be completed at the neighbourhood level and decentralised water management would be possible.
Rainwater harvesting
Rainwater harvesting is now mandatory and is better if implemented early.
The beauty of rainwater harvesting is that every individual can get involved in the solution mode rather than be part of the problem. A 100 square metre roof area receives nearly a lakh of litres of rain in a year and all that we do now is to put it into the drain. By either storing it or by recharging the aquifer we should not only create a resource for ourselves but also mitigate urban flooding.
SAVE OR PERISH: Think twice before wasting waterThe beauty of rainwater harvesting is that every individual can get involved in the solution rather than be part of the problem.
“Realise the potential of harvesting nature’s bounty and hold back your extravagant habits,”
Aapo rakshati rakshitaha — water saves those who protect water. This is a modification of an old Sanskrit saying ‘Dharmo rakshati rakshitahao’ and perhaps just as relevant for our times.
The cost of production of water is about Rs.18 a kilolitre at present and will rise to Rs.28 a kilolitre in the future.
All this means that we have to look at our water resources holistically and draw up an integrated plan for sustainable management of this precious natural resource.
We will need to preserve our lakes and tanks and ensure that treated water of high quality is stored in them. These lakes and tanks are like the kidneys of body.
Lakes and tanks clean water and are the ecological storehouses of bio-diversity. They recharge ground water and ensure that wells and borewells function.
Ground water
Ground water needs to be protected by legislation and it’s drawal for commercial purpose regulated. As a beginning it should be mandatory to recharge every borewell through rooftop rainwater harvesting when the borewells come up for serving domestic water requirements. If it is our right to draw water, it should be our responsibility to use it in moderation and to recharge the groundwater.
Waste-water
Water treatment and recycling will be essential to serve industrial and domestic needs. In neighbourhoods the local tank or lake which is the natural recipient of all rainwater and surface water should serve as an effluent treatment centre.
Wastewater should be treated to such high standards that it is possible to keep it in the closest lake itself. The water cycle will be completed at the neighbourhood level and decentralised water management would be possible.
Rainwater harvesting
Rainwater harvesting is now mandatory and is better if implemented early.
The beauty of rainwater harvesting is that every individual can get involved in the solution mode rather than be part of the problem. A 100 square metre roof area receives nearly a lakh of litres of rain in a year and all that we do now is to put it into the drain. By either storing it or by recharging the aquifer we should not only create a resource for ourselves but also mitigate urban flooding.
posted by Unknown at 10:02 AM
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