Welcome to theDrinking 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.
Triennial Reports 2017-2019
Three yearly report for both England and Wales on the quality of drinking water to inform consumers
View the triennial reportsDrinking 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 reportWhat’s new?
The Inspectorate is a World Health Organisation Collaboration Centre for Drinking Water Safety, and has been redesignated for a further four years to January 2026.…
We have published CIR 2021 – Quarter 2. Click here to view.
We are seeking an engineer, applied scientist or specialist in the design and application of physical, personnel and cyber protective security measures with significant water…
We are searching for an Inspector – Risk Assessment with a passion for Drinking Water Safety Plans (DWSPs), enthusiasm for protecting and improving water quality…
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 (UKHSA) is the nation’s new public health body focused on health protection and security. UK Health Security Agency replaced Public…
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…
05Regions 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
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.
