Irish Water is responsible for Water and Wastewater Services, including discharges to the public sewer.
Any trade effluent or matter (other than domestic sewage or storm water) discharging to a sewer controlled by Irish Water requires a Discharge Licence.
For more details go to: http://www.water.ie/tradeeffluent
An application form for a licence may be requested by clicking the link below:
https://www.water.ie/help-centre/applications/