Green Living at Home: The Economics
Saving Water at Home
How households use water, why urban water is often underpriced, and simple changes and devices that save water and money.
Many Indian cities face water shortages, yet water is often underpriced, giving households little incentive to save.
How households use water
Major uses include:
- Bathing and toilets.
- Washing clothes and dishes.
- Cooking and drinking.
- Gardening and cleaning vehicles.
Water pricing
- Many cities charge flat rates or very low tariffs, and many connections aren’t metered.
- Without metering, households don’t pay more for using more, so there’s little incentive to save.
- Families without piped supply often pay much more for water from tankers.
Saving water
- Fixing leaks: a dripping tap can waste thousands of litres a year.
- Low-flow taps, showerheads and aerators.
- Dual-flush toilets.
- Full loads in washing machines.
- Reusing water, such as using RO reject water for cleaning.
- Rainwater harvesting from rooftops, required in several cities for new buildings.
Costs and savings
Many water-saving devices are cheap and pay back quickly, especially for households buying water from tankers.
Community action
Housing societies can install meters, harvest rainwater and recycle greywater for gardens and toilets.
A housing society in Bengaluru spends heavily on water tankers each summer. After installing rainwater harvesting and fixing leaks, it cuts tanker purchases significantly.
Water often costs a lot through tankers, and underpricing hides its true scarcity.
- Many Indian cities face water shortages while water is underpriced.
- Unmetered supply gives little incentive to save.
- Fixing leaks, low-flow fittings and rainwater harvesting save water.
- Households buying from tankers save most from conservation.
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