Last edited 08 Jan 2019


Sewerage (the sewer system), is the underground networks of pipes that carries sewage (waste water and excrement), waste water and surface water run-off, from buildings to treatment facilities or disposal points.

Types of sewer include:

There are a number of ways of moving the contents of sewers:

In September 2010, the government announced that most private sewers that connected to the public sewer network would be transferred to the ownership of the regulated sewerage companies in England and Wales. Private sewers that were connected to the public sewer network before 1 July 2011 were transferred on 1 October 2011.

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