Trade effluent FAQs

• Any existing licence remains valid if the licence has not been reviewed or revoked, or
• Any existing licence remains valid for a period of three years following cessation of the discharge of trade effluent to sewer

The existing licence is sufficient until such time as a licence review is required.

The current licence is revoked and a new licence application is required.

The current licence requires a review which can be initiated by contacting dischargetosewer@water.ie quoting your current discharge licence number.

The current licence is revoked and a new licence application is required.

A licence review will be required if the following applies:

• If there is a change to the business/trading name
• If there is a material change to such an extent that the licensee is no longer able to comply with its existing licence conditions. This includes changes that:
  • may alter the nature or composition of the trade effluent discharged to sewer
  • may alter volume or rate of flow of the trade effluent discharged to sewer
  • may alter abatement, treatment or recovery systems installed in connection with the trade effluent discharged to sewer
  • may alter the range of processes or activities giving rise to the trade effluent
• There are continuous non-compliances with any conditions of the existing licence
• There is a change of a discharge to sewer location in an already licensed site

Both Uisce Éireann and the licensee can initiate a licence review. To initiate a review please email dischargetosewer@water.ie quoting your current discharge licence number. Where Uisce Éireann initiates the review the application fee is non-applicable