Household sewage is carried to a waste tank by a cesspool waste removal system. This is where waste is broken down by chemicals into effluent to be dumped in approved landfills. Any untreated waste is used by dry wells. Scum and sludge that build up in the tank are then filtered and removed.

What do they do with the waste from septic tanks?

When the waste is diverted into the tank, the solids are separated from the water. ... the effluent then crosses over into the pump chamber, where it flows to the septic drain field a large area designed to allow the gravel and soil to decompose organic waste.

Do cesspools need to be emptied?

As a general rule, you should ideally empty out your septic tank once every three to five years. ... A septic tank that isn't working can pose problems for any household, such as sewage backing up into household drains or sewage bubbling up from the ground around the septic tank and lateral field.