A covered watertight tank used for receiving and storing sewage from premises which cannot be connected to the public sewer and where conditions prevent the use of a small sewage treatment works, including a septic tank
A cesspool is a welled, underground cavity designed to receive the discharge from waste and soil pipes Here, liquids are passed off while solida remain to undergo bacterial decomposition
A private sewerage system consisting of a pit underground where sewerage flows into and allows the waste water to leach through the sides of the pit leaving the sludge to be pumped regularly