You can contact us by e-mail, by telephone or by post.
If your enquiry is urgent, the most efficient means of contacting us is by telephone. For your convenience, we have set-up a range of FREEPHONE numbers.
If you want to contact us by e-mail, please allow up to ten working days for a response.
0800 052 0140(Mon - Fri
8am to 8pm Sat
8:30am to 1:30pm)
Welsh language line
0800 052 6058(Mon - Fri
8am to 8pm Sat
8:30am to 1:30pm)
Request a publication
0800 052 0138(Mon - Fri
9am to 5pm)
Media enquiries
02920 556 140 (24 hours a day, 7 days a week)
Writing to us...
If you have a billing or account enquiry you can write to:
Dŵr Cymru Welsh Water
P.O. Box 690
Cardiff
CF3 5WL
Water Services
For an immediate response to a water service enquiry please call us on 0800 052 0130 (24 hours a day, 7 days a week)
If you contact us by email, please allow up to ten working days for a response.
For water service enquiries, please direct your query to your area office. To help you direct your query to the correct office, click your area in the map below.