There is no need to ring and don’t forget you can tell us you are moving, set up a direct debit, pay your bill and much more online.
Busy times for our billing team, your annual bill will be with you by the end of next week.
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.
(Please note that fields marked * are mandatory)
Click here to read our privacy statement to understand how we may use your personal information.
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.