CAW (Celtic Anglian Water) is a leading provider of water and wastewater services with safety and sustainability at the heart of everything we do. We provide design, construction, operations and maintenance, and asset management services across Ireland.
We are dedicated to providing high-quality clean drinking water and treating wastewater to the highest standards, following circular economy principles to safeguard our planet for future generations. Through ongoing innovation and the adaptation of new methodologies, we enhance performance efficiency, reduce carbon emissions, and improve resource recovery and recycling.
Our Services
Explore Our Services
Project Delivery Excellence
Our expert and highly qualified project engineering team possess the knowledge and capability to execute both complex and smaller projects effectively.
Leveraging vast experience and advanced tools such as PEMAC, Maxpanda and IBM-Maximo Computerised Maintenance Management Systems, building information modelling, and Primavera P6 Project Delivery Programming, we ensure the efficient and cost-effective delivery of water and wastewater capital works solutions.
Operational Excellence
We work to the highest levels of safety, compliance and efficiency in delivering operation and maintenance services across a number of water and wastewater treatment plants on the island of Ireland, including Ireland's largest wastewater treatment works in Dublin.
Our proactive and methodical approach to maintenance and performance optimisation has established our proven track record of delivering consistent performance, even during complex upgrades.
A Sustainable Approach
We prioritise sustainability throughout our business activities and operations with the ultimate aim of minimising the environmental impact. Our focus on energy efficiency, resource recovery, and waste reduction ensures long-term ecological balance and reduced carbon impact.
Our actions are driven by a commitment to make a positive impact on five key UN Sustainable Development Goals: ensuring good health and wellbeing, providing quality education, securing clean water and sanitation, promoting affordable and clean energy, and fostering decent work and economic growth.
CAW Managed Sites
Ringsend WwTW
Dublin
Waterford WwTW
County Waterford
Sligo WwTW
County Sligo
Foxes Den Water Treatment Works
County Sligo
Ringsend Wastewater Treatment Works serves 50% of the Republic of Ireland's population and is one of the largest and most advanced treatment works in Europe. CAW has operated and maintained the plant for Uisce Éireann since 1999.
Managed by CAW on behalf of Uisce Éireann since 2010, Waterford Wastewater Treatment Works serves 190,000 people, using advanced processes to meet the highest standard to the environment and improve biodiversity.
Since 2009, CAW has operated and maintained the site (located in a Special Area of Conservation) on behalf of Uisce Éireann - consistently delivering high standards that prioritise biodiversity and environmental protection.
Since 2001 CAW have managed the operation and maintenance of the state-of-the-art Foxes Den water treatment plant to deliver around 16.5 million litres of drinking water per day to the county's population and businesses.