Sewer map information

If you require information relating to the position of public sewers and wish to consult the 'Local Authority Map of Sewers' please email your request to

Please note

You will need to give us 24 hours notice before the sewer map extract information can be made available to be viewed only in the Environment Reception located on the 2nd Floor Civic Centre, 44 York Street, Twickenham. These extracts are available to view only as this information is copyright to Thames Water.

Updated: 24 October 2014