The short answer is yes. They can easily back on to division walls in proximity to the perimeter and, with the right setup, can even be placed in more central parts of the house.
Composting toilets are resilient to floods. Once drained, they will keep composting. The path to recovering the toilet will largely depend on the type of system you have.
In a natural disaster, preparation is key. And in times of strife, an emergency toilet quickly becomes a necessity. Be prepared in case disaster strikes.
Want to install a composting toilet upstairs or in a basement? You can! The best solution for installation below/above the ground floor is a self-contained zero leachate system.