A report by the Chief Inspector of drinking water

The Drinking Water Inspectorate annual report Drinking water 2020 provides an overview of the quality of public and private water supplies in England and Wales. It comprises of the following:

Chief Inspector’s Letter to Ministers (for England and Wales)

The letters from the Chief Inspector to the Ministers in England and in Wales contain a high level overview of findings for the year.

Letter to Minister – Wales

Public water supplies

Annual Summary Reports

The report covers England and Wales and summarises the testing and results of water quality tests, events and technical audit activity.

Quarterly reports published

Quarter1

Quarter 2

Quarter 2: April – June 2020

Quarter 3

Quarter 4

CRI and ERI

Presentation Slides

Presentation Recordings

Private Water Supplies

Presented as separate reports for England and Wales and publishing numbers and types of supplies, a summary of monitoring results and case studies.

England

Wales

Company and Performance Data

Company name

Sample results

Company statistics and company performance data

Affinity Water

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Download (PDF 16KB)

Albion Water

Download (PDF 71KB)

Download (PDF 15KB)

Albion Eco

Download (PDF 57KB)

Download (PDF 16KB)

Anglian Water

Download (PDF 111KB)

Download (PDF 95KB)

Bristol Water

Download (PDF 80KB)

Download (PDF 16KB)

Cambridge Water

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Download (PDF 16KB)

Dŵr Cymru Welsh Water

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Download (PDF 126KB)

Hafren Dyfrdwy

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Download (PDF 16KB)

Icosa Water

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Download (PDF 15KB)

Independent Water Networks

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Download (PDF 95KB)

Isles of Scilly

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Download (PDF 16KB)

Leep Networks Water

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Download (PDF 16KB)

Northumbrian, Essex and Suffolk Water

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Download (PDF 18KB)

Portsmouth Water

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Download (PDF 15KB)

SES Water

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Download (PDF 14KB)

Severn Trent Water

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Download (PDF 16KB)

South East Water

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Download (PDF 16KB)

Southern Water

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Download (PDF 153KB)

South Staffordshire Water

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Download (PDF 16KB)

South West and Bournemouth Water

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Download (PDF 16KB)

Thames Water

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Download (PDF 171KB)

United Utilities

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Download (PDF 16KB)

Veolia Water Projects

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Download (PDF 15KB)

Wessex Water

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Download (PDF 16KB)

Yorkshire Water

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Download (PDF 16KB)


Prosecution and Cautions

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