Don't wash the clothes and kitchen utensils in the water bodies. Don't throw waste in water bodies.Run your dishwasher,

washing machine, and dryer only when you have full loads. Make water saving devices in taps mandator 

There are 7 ways to save water?

1 - WATER LAWNS JUST 1-2 TIMES A WEEK. ...

1. 2 - DON'T WATER LAWNS BETWEEN 9 AM AND 5 PM. ...
2. 3 - CHECK FOR PLUMBING LEAKS. ...
3. 4 - INSTALL WATER-EFFICIENT FIXTURES. ...
4. 5 - TAKE SHORTER SHOWERS. ...
5. 6 - PUT A NOZZLE ON YOUR GARDEN HOSE. .
6. 7 - DON'T LET THE FAUCET RUN AND RUN.

Water efficiency is the practice of reducing water wastage by measuring the amount of water required for a particular purpose

and the amount of water used or delivered. Water efficiency differs from water conservation in that it focuses on reducing waste, not restricting use.