Drinking Water Inspectorate
The Drinking Water Inspectorate (DWI) was formed in 1990 to provide independent reassurance that water supplies in England and Wales are safe and drinking water quality is acceptable to consumers.
Consolidated review of the widespread loss of supplies arising from the freeze/thaw event affecting England in December 2022
Regions in England and Wales
Use our map to find your local water company
Find contact details, report a problem, look at incidents in your area.
See ongoing improvement in your area, how your water company is improving and find the water quality in your area.Find your local company
If you are concerned about the quality of your drinking water you should contact your water company in the first instance. A number for your water company can be found here.
Learn more about your water
The Drinking Water Inspectorate provides information and advice to consumers on the quality of drinking water.
Advice for finding a plumber
Algae in drinking water
Animals in drinking water
Bills and compensation
Blue water/Copper in drinking water
Boil water notice