Contact centre services on Saturday 10th May

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Our billing contact centre is closed on Saturday 10th May due to system updates. You can still view your bills, balance, letters and manage your account at any time by logging in online here.

Our Operational contact centre is open 24/7 for any water or wastewater emergencies.

Network Leakage


At Welsh Water, we take all water leaks seriously and appreciate your help in reporting them.

Before reporting a leak

Before you report a leak you can check here if we’re already aware of it.

Report a water leak to our dedicated team

If you spot a leak, you can report this online 24/7 or contact us.

What to expect from us

Once you’ve reported the leak, our team will receive your information and prioritise the investigation and repair of the reported leak. Some repairs can take longer than others. We may need to work closely with the council or local authorities to make sure we fix it safely. The following video outlines next steps and timescales; please be aware that our timeline is purely guidance and could be subject to amendment due to emergency work or environmental conditions.