Septocalypse will occur as a result of everyone getting low-flow toilets without considering the long-term consequences of using them with a main sewer system that was designed and installed during a time when regular flow was the norm.

The old sewer systems were designed with higher volume of water in mind.

Hopelessly backed up, the developed world faces a crisis of biblical proportions.

The only survivors are the conspiracy theorists who held down the handle until the tank was completely empty.