Latest documents
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Investigation into the Water Quality Event of PFOS Contamination in Duxford
We have published our findings from an investigation into the PFOS contamination from Duxford to Cambridge rural Supply Zone.
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A supply provided at a public waterspout – case study update
Introduction The ambiguity around ownership, regulation and who is responsible for water available to the public sometimes is more complex than might be expected. One such case concerned a waterspout fed from a spring located at a roadside within central England. Being available to the public, protection of public health is central to assuring the […]
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World Health Organization’s manual on Water Safety Planning now available
A second edition of the World Health Organization’s manual on Water Safety Planning is now available. As a practical guide to implementing Water Safety Planning accompanying the WHO guidelines for drinking water quality, the manual captures experiences and learning from practitioners since the first edition was published in 2009. Case studies and real world challenges […]
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Information Letter 04/2022 Revised version published
Information Letter 04/2022 Revised – Annual Provision of Information on Consumer Contacts.
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Publication of research on the Removal of Microplastics by Drinking Water Treatment Processes
Current water treatment processes represent an effective method for removing particles across a wide size range, and microplastics can be considered as another type of particle. Hence, this project aimed to provide a sound understanding of how current drinking water processes manage the presence of microplastics and whether their presence in potable water may pose […]
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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 […]
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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 […]
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Publication of Company Statistics for 2021
The Company Statistics for 2021 have now been published.
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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.
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Publication of Information Letter 04/2022
Information Letter 04/2022 Annual Consumer Contacts has been published.
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Publication of Annex to IL 03/2022
Annex to IL 03/2022 has been published.
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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.