We put our customers at the heart of everything we do. That means being here when you need us most, giving you help, advice, and support.
About your bill
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Water meters for your business
Having a water meter installed could potentially save you money on your bill.
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Measured charges for businesses
Find out more information about your measured charges.
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VAT and our services
Added to water supply charges to relevant industrial customers who are defined within divisions 1-5 of the Standard Industrial Classification List 1980 (SIC).
Credit balances
All our bills include the current balance on your account. If your account is in credit, you can contact us and request this credit balance is repaid to you. You would need to apply for the credit balance before your next bill is issued.
Back-billing
We will always endeavour to contact you before we “back-bill”. Back-billing normally occurs where a meter has broken and needs replacement, when this occurs, we will advise you of any charges and if necessary, discuss repayment methods. We would not normally back bill more than 16 months.
Recalculation of charges by the wholesaler
In instances where wholesalers recalculate charges, we are obliged to pass on this payment to our customers in the same proportion to which the recalculation has affected your bill. When this occurs, we will provide a full explanation of these charges.
Managing your network
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Pipework responsibilities
As a business owner or employee, it can sometimes be hard to know exactly which pipework you are responsible for.
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Testing for water leaks
As a business customer, you are responsible for all the water pipework located within the boundary of your site.
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Stop the block
Wet wipes are the biggest cause of blockages on our network, and that’s why we really need your help.
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Water efficiency for business
Most companies and organisations know how much water they use but may not always use this knowledge to help them reduce their water consumption.
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Cold weather advice
It's important to prepare your business ready for the cold Winter months. We have put together some tips to make sure your business is ready.
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Water Regulations for your business
Find out more about the water regulations that impact your business.
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Re-introducing the water supply at your business
Advice on what you need to consider to make sure your water is safe to use once your property or business reopens.
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Water saving posters for your business
Here are some posters to encourage your staff and customers to save water.
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Data logging
An accurate and flexible way of recording and monitoring water usage, safeguarding premises, and helping to identify any wasteful water usage or leakage.
Sectorial Advice
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Caravan Parks
If you own or manage a caravan park, here’s a handy bank of advice for you.
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Education services
If you’re a school, college, university or nursery, here’s some helpful information for you.
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Industrial estates
If you manage an industrial estate or business park with multiple units or you’re part of an industrial estate, here’s some helpful information for you.
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Office Premises
If you own, manage or work in an office premises, here’s some helpful information for you.
Net Zero information
Contact Us
If you are an open water customer you can contact us here.
8:00am - 6:00pm Mon-Fri
Out of hours: 0800 260 5053
Other contact options
Please contact the Wholesale Service Centre on 0800 260 5053 or at wholesaleservicecentre@dwrcymru.com.
Please contact the Business Customer Team on 0800 260 5051 or at BCT@dwrcymru.com.