What’s new

• Independent Water Commission – Review of the water sector

  The Inspectorate has published a response to the final report of the Independent Water Commission’s review of the water sector. Independent Water Commission: review of the water sector – final report – DWI Response.

  • Published 14:29:35 BST 22 July 2025
• Drinking Water 2024 – Public Supplies Wales – Annual Report Published

  We have published Drinking Water 2024 – Public Supplies Wales Annual Report on our website.

  • Published 13:07:35 BST 16 July 2025
• Drinking Water 2024 – Public Supplies England – Annual Report Published

  We have published Drinking Water 2024 – Public Supplies England Annual Report on our website.

  • Published 12:40:53 BST 10 July 2025
• Publication of research report “Organophosphorus Flame Retardants – Risk to Drinking Water in England and Wales – Phase 2”

  The DWI commissioned a follow up study on the risk to drinking water from Organophosphorus Flame Retardants. The full report and executive summary can be viewed and downloaded from the Completed Research page.

  • Published 11:32:47 BST 25 June 2025
• Independent Water Commission – Review of the water sector

  The Inspectorate has published a response to the Independent Water Commission’s review of the water sector. Independent Water Commission: review of the water sector – DWI Summary Response – Drinking Water Inspectorate

  • Published 10:21:37 BST 3 June 2025
• Publication of research report “Bench-Scale Water Treatment Efficacy Study of PFAS Removal”

  DWI and UKWIR jointly funded research into a Bench-scale water treatment efficacy study of PFAS removal. The full report, executive summary and the preliminary review can be found on our Completed Research pages.

  • Published 12:48:35 BST 29 April 2025
• Publication of research report ” Effectiveness of Water Treatment Processes in the removal of Endocrine Disrupting Compounds (EDCs)”

  The DWI commissioned research into the effectiveness of water treatment processes in the removal of EDCs in drinking water. The full report and executive summary can be viewed on our Completed Research Page.

  • Published 16:02:27 GMT 12 March 2025
• Advisory group report published

  Drinking water quality standards in England and Wales: Advisory group recommendations and full report has been published on our website.

  • Published 15:34:59 GMT 26 February 2025