Home   Company Profile   Management   Water Treatment   Wastewater Treatment   Metering Services   Waste Treatment   Contact     Company Profile Established in 1998, Celtic Anglian Water is the largest private provider of operations & maintenance solutions for water infrastructure in Ireland. Our expert staff operate & maintain the Ringsend Wastewater Treatment Plant for Dublin City Council, which is amongst the largest and most advanced wastewater treatment plants in Europe. CAW also operates drinking water & wastewater treatment facilities for other towns and cities around the country, including Sligo & Waterford. CAW is also a leading provider of water metering, billing, revenue collection & call centre services for our clients. We competitively tender for further O&M and DBO contracts under the government’s National Development Plan, for the delivery of new and upgraded water and wastewater infrastructure, providing local authorities with cost effective services, enhancing the environments in which we work, and protecting the public health in the communities we serve.