Dwr Cymru Welsh Water

The contact number for Welsh Water is available directly from their website at no or lower cost

0800 052 0145

Calls cost 7p per minute plus your standard network charge.

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You can get in touch with the DWR Cymru Welsh Water customer services contact number. Welsh Water or Dwr Cymru supplies drinking water to most of Wales and certain parts of Western England. It is responsible for providing wastewater services to these areas as well.

Welsh Water Numbers

Welsh Water Opening hours
 Customer Services 24 hours a day
7 days a week
Bills & Accounts 24 hours a day
7 days a week
Report an Issue 24 hours a day
7 days a week
 Emergency Enquiries 24 hours a day
7 days a week
Complaints 24 hours a day
7 days a week

Welsh Water Customer Services Contact Number

You can get in touch with the Welsh Water customer services team by calling. You can call regarding a question you have about your plumbing or water supply, you want some help finding a trusted plumber, you want to know about working for Welsh Water, you want to find out more about water efficiency, you want to know about drinking water quality, you want to know about water regulations or you have some alternative general inquiries.

Bills and Accounts

If you want to discuss a bill or your account you can call the number. You can call to discuss any bills you have received which you feel were wrong, some of your details are wrong on your bill or account, you’re moving home and would like to report this to Welsh Water, you’re having difficulty logging into your account, you would like some help paying a bill online, you want to know about a water meter or you have some other inquiries regarding your bills or account.

Report An Issue

You can report an issue by calling the helpline. You can call the number to report a leak, to report high/low water pressure, an issue with your pipes or other plumbing or any other issues you’re having regarding the Welsh Water services, just call the number and a member of their team will do everything they can to fix the issue.

Emergency Enquiries

If you’re having an emergency you can call for guidance. You can call the emergency number if you’re having a pipe has burst or has frozen, if your pipe has burst and is flooding your home it is important to turn off your heating, all electrical appliances and try to open doors to allow the water a way to get out whilst you’re waiting for a plumber, you can also call to find out of any other emergencies in your area.


You can call to file a complaint on the helpline. You can call the complaints line if you have had a negative experience with the Welsh Water services or with a member of their staff for example if you have had an unpleasant experience with a plumber or a pipe burst in your area has badly affected your day to day life.

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