Wastewater

We offer a variety of wastewater services for your development.

Connections

First time sewerage

If you live in an area that lacks public mains drainage, you can ask us to consider providing a new sewerage system.

Sewer connection

If you're looking to make a new sewer connection, you will need Wessex Water's consent.

Adoptions, requisitions and diversions

Sewer adoptions

Find out how to adopt a public sewer.

Sewer requisitions

Request a new sewer to be laid for your development.

Sewer diversions

If you have plans to build a new development, an extension, or a garage or conservatory, you will need to consider whether there is a public sewer in the way.

Building near sewers

Building near or over a strategic public sewer

If you’re building within six metres of a strategic public sewer, you will need our approval.

Building near to or over a minor public sewer

Find out what the difference is between private and public sewers.

Public and private sewers

Find out what the difference is between private and public sewers.

Finding a public sewer

Public sewers are owned and maintained by us and are often located to the front, side or rear of domestic properties.

Standard criteria

If you plan to build near a public sewer, you must meet our criteria.

Discover more

Network maps

We can provide you with a copy of our plans showing the location of water mains and sewers near to your house or development site.

New Appointments and Variations

The NAV Market enables developers and large business customers to choose their water and sewerage undertaker for a specific geographic area. Follow our guidance for NAVs.