How To Flush Toilet When Water Is Shut Off. Empty the trash or use baking soda to cut down on the smell. After pushing down on the flush handle, water from the toilet tank flows down into the toilet bowl and is then sucked down your drains, hopefully never to be seen or heard of again.
Fill the toilet tank with the collected water until it reaches the top of the overflow tube. Flushing without removing the lid to the tank. If you want to avoid lifting off the lid of the toilet tank, there is another way to flush your toilet without running water.
That means it should be full in the event your water.
Let water drain from open faucets. Turn on water supply to the house at the main. That means it should be full in the event your water. Wait approximately 20 to 30 minutes.