Fill the bottom of the sink with a few inches of warm water. This will rinse your blade just as well as running water. Kitchen Store drinking water in the refrigerator rather than letting the tap run every time you want a cool glass of water. Do not use running water to thaw meat or other frozen foods. Defrost food overnight in the refrigerator or by using the defrost setting on your microwave.
Garbage disposals require lots of water to operate properly.
Start a compost pile as an alternate method of getting rid of food waste instead of using a garbage disposal. If you wash dishes by hand, don't leave the water running for rising. If you have two sinks, fill one with soapy water and one with rinse water. If you have only one sink, gather washed dishes in a dish rack and rinse them with a spray device or a panful of hot water. Automatic dishwashers claim the most water in kitchens, about 12 gallons per run.