Register for My Bill or Log On
Click here for frequently asked questions
Click on the registration button above to get started. It’s really easy to do, just have your customer reference number handy which you’ll find at the top of your latest paper bill.
If you want to know more about My Bill before you register, take a look at our frequently asked questions using the link above.
Visit our self service page for more online services.
Dŵr Cymru Cyf, a limited company registered in Wales No. 2366777.
Registered office: Pentwyn Road, Nelson, Treharris, Mid Glamorgan CF46 6LY.
© Dŵr Cymru Cyf 2017.