How To Flush Toilet If Water Is Shut Off. Open all the cold water faucets, start with the highest faucet (2nd or 3rd floor) and work to your lowest faucet (first or basement floor). One other way to flush the toilet when there’s no running water is filling up the toilet tank with water from another source then flushing it in the normal way.
Remove the toilet tank lid and place it away in a safe place. Then, you can flush the toilet to drain all the remaining water from the tank and bowl. Flushing a toilet when the water is shut off.
You can then flush your toilet with the flush handle as you normally would.
Shut off water supply to the house at the main. When your toilet water is off or if tour toilet tank can’t fill with water, there is a way out. Empty the trash or use baking soda to cut down on the smell. Use a bucket of water (or two) to flush the toilet.