What’s new

• Publication of research report “Method for the  Determination of Concentrations of Perfluoroalkyl Substances (PFAS) in Drinking Water”

  The DWI initiated research into fully quantitative analytical methods for 20 PFAS for use in testing drinking water in 2020, and the Method has now been published. The method development was challenging, at the very sensitive levels selected for this project. The lowest spike selected (0.5ng/L) is 0.5% of the European Standard for individual PFAS […]

  • Published 10:58:13 BST 27 September 2022
• Publication of research report “Organophosphorus Flame Retardants – Risk to Drinking Water in England and Wales”

  DWI commissioned this literature review gap analysis project to understand whether OPFRs are likely to occur in source waters and drinking water. The project identified where data limitations exist and further work required to fill the evidence gap. View the full report and it’s findings

  • Published 13:41:00 BST 26 September 2022
• Press Release – South West Water fined for drinking water offence

  The Drinking Water Inspectorate have issued a press release after sentencing took place in the case taken by the Inspectorate against South West Water. At Plymouth Magistrates Court on the 13 September 2022, South West Water was fined £233,333, plus a £170 victim surcharge and costs of £83,967.93 were awarded. South West Water Ltd pleaded […]

  • Published 10:12:39 BST 20 September 2022
• Publication of Company Statistics for 2021

  The Company Statistics for 2021 have now been published.

  • Published 10:57:35 BST 6 September 2022
• Change to the Drinking Water Inspectorate General Enquiries Telephone Number

  The Drinking Water Inspectorate (DWI) Enquiries Line will be changing to the following number with immediate effect: 0330 041 6501. There will be a short period until 31 October 2022 when the 0300 number will still be operational, and during this time callers will be advised of the new number to call in future.

  • Published 10:56:26 BST 6 September 2022
• Publication of Information Letter 04/2022

  Information Letter 04/2022 Annual Consumer Contacts has been published.

  • Published 12:53:29 BST 25 August 2022
• Publication of Annex to IL 03/2022

  Annex to IL 03/2022 has been published.

  • Published 15:30:23 BST 24 August 2022
• Drinking Water 2021 Private Water Supplies published

  Drinking Water 2021 Private Water Supplies is the 12th report published by the Drinking Water Inspectorate which covers private water supplies in England and Wales.

  • Published 16:35:08 BST 25 July 2022
• Published Guidance Note: Long term planning for the quality of drinking water supplies

  A guidance note on long term planning for the quality of drinking water supplies has been published.

  • Published 16:25:47 BST 14 July 2022
• Drinking Water 2021 published

  Drinking Water 2021 is the 32nd report published by the Drinking Water Inspectorate and covers public water supplies in England and Wales.

  • Published 9:13:18 BST 13 July 2022
• Publication of Information Letter 03/2022

  Information Letter 03/2022 PFAS guidance has been published.

  • Published 12:54:50 BST 8 July 2022
• News report of poliovirus in London sewage

  Poliovirus from vaccines has been detected in environmental samples in London.  Thames Water have confirmed that no drinking water is abstracted from the affected stretch of river.  Conventional drinking water treatment provides a multi barrier approach including the removal of viruses, and inactivation of pathogens by disinfection.  Treatment is highly effective at inactivating poliovirus, and […]

  • Published 16:05:38 BST 24 June 2022