What’s new
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New research opportunity on “Risk profile of PFAS in distribution systems”
A call for a new e-tendering competition has just been released to investigate the risk profile of PFAS chemicals in water supplies beyond the water treatment works stage. Full details can be found on our Research Competitions page with a deadline of 05/12/2025.
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Vacancy – NIS Inspector
We are hiring – join our team. We are looking for an Inspector – Network and Information Systems (Cyber Security).
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New research opportunity on Consumer Confidence in drinking water
A call for a new e-tendering competition has just been released to investigate the factors influencing consumer confidence in drinking water in England and Wales. Full details can be found on our Research Competitions page with a deadline of 03/11/2025.
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30 September 2025 – Prosecution of South West Water Limited for s70(1) offences under the Water Industry Act 1991
The Drinking Water Inspectorate issued a press release following its investigation into the Cryptosporidiosis outbreak event in the Brixham area in 2024: DWI press releases – Drinking Water Inspectorate.
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Publication of research report “Disinfection Technology and Alternative Disinfection for Commercial Water”
This project, undertaken by WRc, provided DWI with a better understanding of the disinfection technologies currently in use in commercial activities across England and Wales, including alternative technologies, and their suitability for ensuring safe drinking water. The full report and executive summary can be viewed from the Completed Research page.
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Publication of research report “Pilot-Scale Water Treatment Efficacy Study of PFAS Removal”
DWI , UKWIR and DWQR Scotland jointly funded research into a pilot-scale water treatment efficacy study of PFAS removal, as a follow on from the Bench-scale study. The full report can be found on our Completed Research pages.
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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.
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Drinking Water 2024 – Public Supplies Wales – Annual Report Published
We have published Drinking Water 2024 – Public Supplies Wales Annual Report on our website.
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Drinking Water 2024 – Public Supplies England – Annual Report Published
We have published Drinking Water 2024 – Public Supplies England Annual Report on our website.
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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.
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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
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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.