Dŵr Cymru/Welsh Water

Dŵr Cymru Cyfyngedig/Welsh Water 

Website address: http://www.dwrcymru.co.uk

  • Water non-emergencies: 0800 052 0145

  • Water emergencies: 0800 052 0130

  • Developer Services or New Connections queries: 0800 917 2652


Water Regulations contact: Water Regulations Team

Direct Telephone Number: 01792 841 572
Email address: WaterRegulations@dwrcymru.com


Address for submission of all regulation 5 notifications, certificates of compliance (regulation 6) and RPZ test certificates:

FAO Water Regulations Team
Dwr Cymru - Welsh Water
Players Industrial Estate 

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