If your contact is an emergency or you are unhappy with our service to you, please don't wait - Call us on 0800 085 3968 (24 hours a day, 7 days a week)
For non urgent enquiries you can still call us on 0800 085 3968 or you can complete the form below and you will receive a personal response in 10 working days.
In order to respond to your enquiry, it would help us if you could supply your Welsh Water account reference number.
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Click here to read our privacy statement to understand how we may use your personal information.
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Dŵr Cymru Cyf, a limited company registered in Wales No. 2366777.
Registered office: Pentwyn Road, Nelson, Treharris, Mid Glamorgan CF46 6LY.
© Dŵr Cymru Cyf 2015.