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World Water Day: Make every drop count!

More than two-thirds of the earth‘s surface is covered by water. However, very little of this is potable (safe to drink). Moreover, the available usable water, is not enough to meet the needs of R

More than two-thirds of the earth’s surface is covered by water. However, very little of this is potable (safe to drink). Moreover, the available usable water, is not enough to meet the needs of the growing population. The problem is compounded by the decrease in water levels owing to climatic changes, reduction in rainfall due to deforestation and shrinking of water bodies as a result of the increase in population, leading to acquisition of shallow lands for landfills.

Rainwater harvesting

Although India’s geographical location gives it several advantages, yet there are several regions especially in metropolitan cities that are seriously affected by lack of usable water.

“Owing to rapid real estate development in our cities, the demand for resources such as water, is highest in such regions. Rainwater harvesting is the only real solution available now,” asserts Sachin Agarwal, CMD of Maple Shelters.

Rainwater harvesting involves collecting, filtering and storing rainwater from the roofs of dwelling units into storage tanks or cisterns in the ground. Amol Shelar, a resident of Gulmohar Apartments in Mumbai, which installed a rainwater harvesting system a few years ago, says that the harvested water can meet about 50% of everyday household needs. In his society, water from the harvest is used for:

Household and vehicle cleaning Garden and green space maintenance Flushing toilets

Agarwal maintains that it is fairly easy for everyone to implement rainwater harvesting. “Installation of gutters is the first step for any building, along with a filtration system to ensure that leaves or any other kind of debris do not find their way into the storage tank,” he explains.

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“Safety precautions include having locking lids or bars, to prevent contamination of the stored water and breeding of mosquitoes. Catchment areas in a city can include paved areas such as car parks, roads and paths where water can be harvested for several non-drinking purposes,” he elaborates.

See also: Water harvesting: The best way to end water shortages

Smart cities to strengthen water infrastructure

At a macro level, cities that have been selected in the government’s Smart Cities Mission, are expected to witness a strengthening of their water infrastructure, to achieve 24×7 supply. This is likely to be achieved by incorporating:

Information and communications technology (ICT) applications Source augmentation Waste water recycling Sensors to detect leakages in sewer systems.

Other cities too, have adopted different approaches – authorities in Solapur are incentivising conservation of water, while those in Chennai are exploring the creation of new water sources, using desalination plants and by recycling water for various purposes.

Save water at home

Architects, meanwhile, point out that simple measures, such as choosing the right bathroom fittings, etc., can also do a lot of good. Sheena Chhabria, an architect and interior designer, emphasises that leaking faucets and taps that are not closed properly, are the biggest sources of wastage of water.

Chhabria has several suggestions to save water at home during everyday use:

Additionally, you can:

Fix leaky faucets which is one of the biggest water savings Replace old flushing systems which use more than 12 litres water in each flush. Upgrade to efficient flushing systems which use 5 liters water in full flush Clean the car using a pail of soapy water. Use the hose only for rinsing.

By: Housing.com/news

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