About Us

Our story

Hafren Dyfrdwy also means Severn Dee, the coming together of Dee Valley Water and Severn Trent to form a new water service for our customers in Wales. We're committed to keeping bills low and providing fresh water to you, for generations to come.


Frequently asked questions

We've listed some FAQ's that you may find useful, however if you cannot find the answer you are looking for, please contact us on 0330 678 0679 and we will be happy to help. We will continue to update the information here about Hafren Dyfrdwy.

Hafren Dyfrdwy reflects the two main rivers (River Severn and the River Dee) in the new region echoing our dual heritage. The use of Welsh as the primary language reflects that that this is a Welsh business operating in Wales.  

Dee Valley Water has come together with Severn Trent to form Hafren Dyfrdwy for all our customers in Wales.  

No, you’ll continue to enjoy the same wonderful water from the same source it has always come from.  

There will be no difference in your bill or the prices you pay. Prices for the current five year period (2015 - 2020) were agreed in 2014 with Ofwat, the economic regulator of the water industry in England and Wales.  

Our Social Purpose

At Hafren Dyfrdwy, we believe that being a socially purposeful company is a core principle.

We are a company guided by a clear public service ethos that also draws on the benefits of private sector investment to improve services.

We seek to give our customers the best of both worlds.

Our vision

Our plans, commitments and how we will continue to supply water for generations to come.

As these business changes have taken place part way through the current five year period (2015-2020), you will find that our documents may appear under the following company names across the website: Dee Valley Water, Hafren Dyfrdwy and Severn Trent.