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?
We are excited to launch StreamLine, the regulatory advice service for innovators and businesses in England and Wales. StreamLine is run jointly by the Drinking…
We have published CIR 2021 – Quarter 4.
We are searching for a Principal Inspector (NIS). The closing date is 29 May 2022. Apply here: Principal Inspector – Network and Information Systems (NIS)…
We are searching for a Data Officer with a passion for data, enthusiasm for innovative IT solutions and the drive to work in an organisation…
We are seeking two Principal Inspectors to support the Senior Management Team (SMT) in the delivery of the Drinking Water Inspectorate’s vision and strategic objectives.…
Information Letter 02/2022 Reporting of Taste Results has been published.
An advice letter 01/22 on changes to the transitional list of products/substances permitted for use in private water supplies has been issued.
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.…
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.
