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  1. Coronavirus (COVID-19)

    Coronavirus (COVID-19): guidance and support

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.

Drinking Water 2020

Safe, clean drinking water is vital to public health and the wellbeing of our society, now and into the future. This is the central tenet of the vision and strategy of the Drinking Water Inspectorate published in April 2020.

View the 2020 report

Highlights

What we do

Consumers

Water companies

Private water supplies

Drinking Water Products

Research

What’s new?

Construction Products for water company assets – updated Advice Sheet 7

The Advice Sheet 7 on Construction products for water company assets has been significantly revised to bring it up to date and to also include…

The UK Health Security Agency replaces Public Health England

The UK Health Security Agency (UKHSA) is the nation’s new public health body focused on health protection and security. UK Health Security Agency replaced Public…

Drinking Water 2021- Quarter 1 published

We have published CIR 2021 – Quarter 1. Click here to view.

Innovation One Stop Shop

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…

Resilience of water supplies in water resource planning – Guidance Note

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…
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Regions in England and Wales

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Water Companies

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

Contact DWI

Water quality

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
Bottled water
Chlorine

View all leaflets