1. Run the dishwasher only when full to save water and energy.
2.wash your fruits and vegetables in a pan of water instead of running water from the tap.
3.close the tap when u r brushing dont run water during brushing .it is waste of water .
many other methods are also use to save water 
hope this is helpful....
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Thare are many ways to conserve water:-
1. don't use running water to wash fruits and vegetables.
2. don't keep the tap pen while brushing.
3.use leftover water in bottles and the water used after washing vegetables to water the plants.
4. don't use excess water for bathing.
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