Irish Water provides water and waste water services for homes and businesses in Ireland. It operates drinking water and wastewater treatment plants. The company was founded in 2013 and is based in Dublin, Ireland. Irish Water operates as a subsidiary of Ervia.Irish Water is responsible for the delivery of water services to approximately 80% of the population. Whilst many customers receive a good quality water supply and wastewater provision, a significant proportion are dissatisfied with these services. Despite the good work of local authorities over many decades.