Burst water main at our Bryn Cowlyd Water Treatment Works

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Updated: 19:30 15 January 2025

We are currently dealing with a burst water main at our Bryn Cowlyd Water Treatment Works, Dolgarrog, which is impacting water supplies to customers in parts of the Conwy Valley.

These locations are as follows: Conwy, Dolgarrog, Eglwys Bach, Henryd, Groesffordd, Llanbedr y Cennin, Parts of Llanrwst, Pentrefelin, Rowen, Tal y Bont, Tal y Cafn and Tyn Groes.

Our crews are on site and working on the repair.

We are rerouting water through our network and tankers are being mobilised to keep as many people on supply as possible.

We apologise to anyone whose water supply is interrupted and would like to reassure them we are working hard to resolve this issue as soon as possible.

Customers have been contacted directly with text messages to inform them about the issues.

Customers can get the latest information on in your area or follow us on our social media channels.

Dwr Cymru Welsh Water


Welsh Water is the sixth largest of the ten regulated water and sewerage companies in England and Wales.

It is responsible for providing three million people with drinking water in 1.4 million homes and businesses. DCWW is a ‘not-for-profit company’ which has been owned by Glas Cymru since 2001. It does not have shareholders and any financial surpluses are reinvested in the business for the benefit of customers.

To find out more about the Dŵr Cymru Welsh Water, click here.