Water Supplies to Clydach Vale, Pontypridd, Treorchy, Tonypandy and Pentre

First of all can I apologise for the loss of water supply as a result of the major incident we have had on one of our large diameter water mains at Cilfynydd, near Pontypridd. The main in question is a 31"/ 850 mm trunk main which carries very large volumes of water and is effectively a 'transmission' main to support supplies to a wide geographical area. This is why as a result of the incident communities in the Rhonndda and Church Village for example were also affected.These type of mains fulfil a vital role in keeping our smaller mains which serve customers directly full and delivering water at the right pressure. Repairing these type of mains is a major task and because of the operating pressure carries significant safety risks and we have to take this into account as a key priority to protect our people and contractors carrying out the repair.

I am also sorry that deliveries of bottled water to distribution points was not as effective as we would have liked and there are lessons to be learned from this about how we carry out this type of support to customers in future. We did however, successfully deliver bottled water to over 600 vulnerable customers, such as those with medical conditions and the elderly which I hope you will agree were the highest priority in the circumstances.

By early this morning supplies are returning to normal for the majority of our customers , but we are experiencing some 'air locks' in the system , particularly in the Clydach Vale area and we are focusing on on this as a matter of urgency.

If you are currently experiencing any further problems do not hesitate to contact us or speak to us using live chat.

Thank you

Peter Perry

Chief Operating Officer

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As a large landowner and a water company with processes and activities that can have a direct influence on the environment, Welsh Water is committed to enhancing biodiversity within our own landholdings and also to ensuring that our operations do not adversely affect biodiversity value in our rivers and seas.

We have developed a clear policy that describes our commitments and approach to biodiversity and produced a Biodiversity Overview which describes our work and approach in much more detail.

Welsh Water has directly contributed to biodiversity through the improved quality of its discharges to the marine and freshwater environments. Major investments in new treatment works and improvements in the combined sewer overflows during the past 10 years have been a significant factor in environmental improvements and enhanced marine and freshwater habitat.

We target investment at key areas: improving the quality of treated water that our wastewater treatment works discharge; protecting rivers and coastal areas from pollution during storms and ensuring that our processes operate with minimum impact on local communities.

We take our responsibility as a major landowner and guardian of some of Wales's most important wildlife sites very seriously. We continue to avoid or minimise environmental impacts from our activities and, wherever possible, to maximise opportunities for nature conservation and enhancement. With 60% of our land being of national conservation and biodiversity importance, and a continual capital investment programme, we are very much committed to the responsible management of our operational and construction activities.