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by the NFCC

Protecting sewerage and drainage

It is an offence to discharge polluting material into a sewer without a consent, see Drainage and sewer systems for more information. This is because polluting material can:

  • Affect the sewage treatment process at a STW resulting in partially treated or untreated sewage entering the water environment
  • Pass through a STW unaltered and enter the water environment

Sewage undertakers must therefore be:

In Northern Ireland, and further to the notification protocols set out in the MoU between the Northern Ireland Environment Agency and the Northern Ireland Fire and Rescue Service, the Northern Ireland Environment Agency will ensure that Northern Ireland Water Limited is informed about any material that will significantly affect the sewerage infrastructure in the event of any pollutant detailed in Article 168 of the Water and Sewerage Services