Paying My Bill Online | Ways to pay my water bill online | My Account | Dwr Cymru Welsh Water
Dwr Cymru Welsh Water

Online card payment

Pay your water bill online by debit or credit card. All you need is a valid credit or debit card and your customer reference number. Our online card payment is safe, secure, quick and easy way to make payments at a time which is convenient to you.

Click here to make a card payment


To pay your water bill using Santander BillPay you will need:

  • Your Bank ‘Debit Card (Switch/Visa)’
  • Your 12 digit Welsh Water customer reference number, this can be found on the front of your water bill at the bottom (please see image above).

Welsh Water has partnered with Santander Corporate Banking to bring you this service and you will need to register in order that your electronic payment account can be set up.

To register or to pay your bill please click here and follow the online instructions.

If you have any difficulties with online payments contact Santander Corporate Banking on 0151 966 2105 (this line is manned between 9-5 on Monday to Friday).