Drinking water 2020
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.
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 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.
Company and Performance Data
Company name | Sample results | Company statistics and company performance data |
|---|---|---|
Affinity Water | Download (PDF 47KB) | 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 | Download (PDF 62KB) | Download (PDF 16KB) |
Dŵr Cymru Welsh Water | Download (PDF 91KB) | Download (PDF 126KB) |
Hafren Dyfrdwy | Download (PDF 122KB) | Download (PDF 16KB) |
Icosa Water | Download (PDF 71KB) | Download (PDF 15KB) |
Independent Water Networks | Download (PDF 56KB) | Download (PDF 95KB) |
Isles of Scilly | Download (PDF 100KB) | Download (PDF 16KB) |
Leep Networks Water | Download (PDF 60KB) | Download (PDF 16KB) |
Northumbrian, Essex and Suffolk Water | Download (PDF 117KB) | Download (PDF 18KB) |
Portsmouth Water | Download (PDF 68KB) | Download (PDF 15KB) |
SES Water | Download (PDF 82KB) | Download (PDF 14KB) |
Severn Trent Water | Download (PDF 121KB) | Download (PDF 16KB) |
South East Water | Download (PDF 101KB) | Download (PDF 16KB) |
Southern Water | Download (PDF 104KB) | Download (PDF 153KB) |
South Staffordshire Water | Download (PDF 89KB) | Download (PDF 16KB) |
South West and Bournemouth Water | Download (PDF 86KB) | Download (PDF 16KB) |
Thames Water | Download (PDF 76KB) | Download (PDF 171KB) |
United Utilities | Download (PDF 85KB) | Download (PDF 16KB) |
Veolia Water Projects | Download (PDF 64KB) | Download (PDF 15KB) |
Wessex Water | Download (PDF 51KB) | Download (PDF 16KB) |
Yorkshire Water | Download (PDF 124KB) | Download (PDF 16KB) |