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 published Information Letter 01/2024 – Annual Provision of Information on Consumer Contacts: Information letters and advice notes – Drinking Water Inspectorate (dwi.gov.uk)
DWI commissioned research on dual pipe recycling systems to understand the associated risks and to assess the suitability of English and Welsh regulations to manage…
The Drinking Water Inspectorate is seeking talented individuals with skills and/or experience in drinking water supply/water quality to join its team ensuring high quality water…
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.
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.