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 moreService
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 documentGlas 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
7 January 2026
Welsh Water warns of the danger of burst pipes following a thaw
30 December 2025
“Wrap up your home”: Dŵr Cymru Welsh Water offers advice and free lagging kits, as cold snap approaches
29 December 2025
Welsh Water launches new £20,000 Cardigan Community Fund to mark £20 million investment
23 December 2025
Welsh Water supports 65 community groups with over 470 hours of volunteering and Community Fund cash
19 December 2025
Welsh Water brings festive cheer with donations to local charities
16 December 2025