For all of us.
We’re the only water company of its kind in the UK. We don’t have shareholders, which means we put every penny back into looking after your water and our beautiful environment – now and for years to come.
Learn more
Service
Commitment Plans
This document sets out our plan to recover performance in a number of areas where we are currently failing to meet targets agreed with our regulator Ofwat.
Open Data Strategy
Executive Strategy
In this document, you will find key information about why we have created an Open Data Strategy and how we will approach the implementation of our open data initiative.
Download the document
Glas Cymru
Annual report and accounts
Welsh Water is owned by Glas Cymru, a single purpose company with no shareholders and is run solely for the benefit of customers.
Our Journey
to Net Zero
As one of the largest energy users in Wales, we need to adapt the way we deliver our services to allow us to deal with the challenges we face in the years and decades to come.
Latest news
22 April 2025
Welsh Water call for “Less concrete, more nature” to drive river improvements
22 April 2025
Welsh Water warns against dangers of unauthorised swimming in reservoirs
10 April 2025
Mike Davis to stand down as Dŵr Cymru’s Chief Finance Officer
24 March 2025
‘Energy Park’ to provide 8% of Welsh Water’s energy needs
12 February 2025
Sir James Bevan joins Glas Cymru Board as Non-Executive Director
30 January 2025