Certainly, a sewage system can flood. Several things, such as the following, might cause flooding in a sewage system:

Excessive rainfall: If there is a lot of rain in a short period of time, the sewage system may become overburdened and flood.

Blockages or clogs: Sewage can back up and flood if the sewage lines get blocked or clogged.

Overflow: Flooding could result from sewage overflow if the sewage system is unable to handle all of the generated sewage.

Pipe Issues: Breaks or leaks in the sewage system’s pipes could result in sewage spilling out and flooding the region.

Ultimately, it is important to properly maintain the sewage system to prevent flooding and other issues. This might mean performing routine pipe checks, clearing any obstructions or jams, and making sure the system can accommodate the quantity of sewage being generated.

To avoid flooding as well as other problems, it’s essential to address any sewage system problems as soon as you see them.