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.
We have now published Information letter 03/2023.
We have now published Drinking Water 2022 – Public Supplies Wales Annual Report.
We have now published Drinking Water 2022 – Public Supplies England Annual Report.
We have published Drinking Water 2022 – England – Private Water Supply – Annual Report.
We have published Drinking Water 2022 – Wales – Private Water Supply – Annual report.
The Drinking Water Inspectorate has issued a press release after sentencing took place in the case taken by the Inspectorate against Wessex Water Services Limited.…
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.