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.
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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.
Change of Registered Address
Glas Cymru
Glas Cymru, the not-for-profit company which owns Welsh Water, announces that with immediate effect the registered office of the company and all subsidiaries in the Group has changed
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In your area
Check if there is any work or reported incidents near you that could be affecting your water supply, or sign up to receive alerts and updates.
Our plan
2020 - 2025
Over the last two years, we’ve been working with and listening to our customers about our plans for the future – and 40,000 of you have had your say on how we run your water and wastewater services.
Latest news
22 July 2021
Construction work set to begin at Llandegfedd Reservoir
21 July 2021
Hailey Park and Tongwynlais benefits from £8 million wastewater upgrade
19 July 2021
Water Demand in Wales set to increase by 10 percent due to staycations
8 July 2021
Welsh Water Tops Environmental Performance Table
24 June 2021
Welsh Water secures industry-leading levels of satisfaction amongst its customers
21 June 2021