Welcome to the
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.
We have published CIR 2021 – Quarter 1. Click here to view.
We are delighted to announce we have received £170,000 through the Regulators’ Pioneer Fund to create a one-stop-shop with Ofwat and the Environment Agency to…
This Guidance note on the Resilience of Water Supplies in water resource planning is a supplementary note to the long term planning guidance for the…
Drinking water 2020 Private Water Supplies is the 11th such report published by the Drinking Water Inspectorate and covers private water supplies in England and…
Drinking water 2020 is the 31st report published by the Drinking Water Inspectorate and covers public water supplies in England and Wales.
EDCs are a diverse group of chemicals that have the potential to alter the normal functioning of the hormonal system across a wide range of…
The Drinking Water Inspectorate has been working with OFWAT and other regulators to support the water industry in a green economic recovery. The green recovery…
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.