- Drinking Water 2024 – Summary of the Chief Inspector’s report for drinking water in England
- Foreword
- Water supplies and testing
- Compliance with water quality standards
- Water quality events
- Asset health and service reservoir integrity
- Consumer contacts
- Water safety planning and risk assessment
- Perfluoroalkyl and polyfluoroalkyl substances (PFAS)
- Audit programme completed by the Inspectorate
- Enforcement, transformation and recommendations
- Lead in water
- Materials in contact with drinking water (Regulation 31)
- Security and Emergencies (SEMD)
- Network Information systems (NIS)
- Research publications
- Raw water data
- Whistleblowers
- Working with stakeholders
- Annex A – Number of tests carried out by companies
- Annex B – Compliance with standards
- Annex C – Compliance failures and events
Drinking Water 2024 – Summary of the Chief Inspector’s report for drinking water in England
Published 11:04:47 BST 9 July 2025
Published by
Drinking Water Inspectorate
Ground Floor, SW
Seacole Building
2 Marsham Street
London
SW1P 4DF
Tel: 0330 041 6501
Website: www.dwi.gov.uk
© Crown Copyright 2025
Copyright in the typographical arrangement and design rests with the Crown.
This publication (excluding the logo) may be reproduced free of charge in any format or medium provided that it is reproduced accurately and not used in a misleading context. The material must be acknowledged as Crown copyright with the title and source of the publication specified.
Glossary
Company code with its associated company name
- AFW | Affinity Water
- ALE | Albion Eco Ltd
- ALB | Albion Water Ltd
- ANH | Anglian Water Services Ltd
- BRL | Bristol Water Plc
- CAM | Cambridge Water Company Plc
- DWR | Dŵr Cymru Welsh Water
- ESP | ESP Water Limited
- HDC | Hafren Dyfrdwy
- ICW | Icosa Water Ltd
- IWN | Independent Water Networks
- ISC | Isles of Scilly
- LNW | Leep Networks Water
- NES | Northumbrian, Essex and Suffolk Water
- PRT | Portsmouth Water Plc
- SES | SES Water
- SVT | Severn Trent Water Ltd
- SEW | South East Water Plc
- SST | South Staffordshire Water Plc
- SWB | South West and Bournemouth Water
- SRN | Southern Water Services Ltd
- TMS | Thames Water Utilities Ltd
- UUT | United Utilities Water Plc
- VWP | Veolia Water Projects
- WSX | Wessex Water Services Ltd
- YKS | Yorkshire Water Services Ltd