Cesspools, depending on how they have been constructed and how they are serviced, can present particularly dangerous conditions and risk collapse and fatal injury.

Why would a cesspool collapse?

Septic tanks can collapse for a variety of reasons. ... That is because the pressure of the surrounding soil is no longer counter-acted by the water inside the tank. Regular maintenance and proper user behaviors will keep your septic tank working properly for years without major issues.

What happens when a cesspool fails?

Over time, the openings in your cesspool may become clogged, causing a wastewater backup. If not kept clean, the cesspool may begin to require pumping several times per year. This may even occur if there is not a large amount of solid waste in the bottom due to the inability of water to escape.