How To Get A Toilet To Flush Without Running Water. This is gross but if you’re not careful and you dump water quickly. It's okay to leave number one in the toilet for a day.
Put toilet paper in the trash during situations like this, not the toilet. Filling the tank with water then flushing as you would normally do is the best way to flush a toilet with no running water. It is a quite convenient way to flush the toilet, but you need to move the toilet tank cover before starting to do that.
Start pouring the water into the toilet bowl then increase the speed to create enough pressure to flush the toilet.
Fill the tank with water up to just half an inch below the overflow tube. I’m adding 1 gallon “extra” because in an emergency we will likely get dirtier, and possibly have wounds etc. Collect the water in the same way mentioned in method 1. If you have already flushed the toilet after the running water stopped, the tank will be empty.