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Register or log on to view your bills online
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Changes for Large Business Customers
Find out more about how you can save water and save money.
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That's why we have a dedicated team to help you save water and save money.
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:
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).
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