Publication of Research report “Viruses in Ground Water”
Groundwater sources provide approximately 30% of water supplies in England (and 5% in Wales). There are known to be over 100 microbiological pathogens that can contaminate groundwater, including viruses. Whilst water companies in England and Wales do include the risks from viruses in their drinking water safety plans, there is no monitoring for viruses conducted […]
Water Industry Green Recovery Schemes
The Drinking Water Inspectorate has been working with OFWAT and other regulators to support the water industry in a green economic recovery. The green recovery will trial a number of innovations ahead of the next price review. Severn Trent Water and South West Water will take on trials to remove lead from customer supply pipes […]
Drinking Water 2020 – Quarter 3 has been published
Click here to view.
Publication of research on Long-term Strategies to Reduce Lead Exposure from Drinking Water
As a part of our ongoing research programme the Inspectorate commissioned a review of the currently available evidence on lead in drinking water and the possible long term strategies to reduce exposure. A range of scenarios has been costed, using the latest knowledge of the health effects of lead. These have been modelled and their […]
Measures and tools for disinfection by products minimisation strategies
In the UK, legislation requires that DBP concentrations must be kept as low as possible without compromising the effectiveness of the disinfection. In addition, a prescribed concentration of 100 µg L-1 has been set for the sum of the concentrations of the four trihalomethanes (THMs) measured at the consumers tap. Although haloacetic acids (HAAs) are […]
Publication of Information Letter 06/2020
Assessment of the limitations for chemicals and treatment products intended for the treatment of drinking water.
Publication of Information Letter 05/2020
Chloramination disinfection and associated risks of cyanide formation in treated water
Government and the water industry regulators in England have issued a joint letter to water companies
Green economic recovery – the water industry’s role in building a resilient future
- Drinking Water 2019 – Quarter 4 has been published as part of the Chief Inspector’s Report 2019
The Drinking Water Inspectorate has published its annual reports for public and private water supplies in England and Wales covering 2019
The reports cover the quality of public drinking water supplies and reports on the progress of local authorities in the regulation of private water supplies. Alongside the reports are published sample results and performance statistics for companies. Click here
Publication of the executive summary of “Cryptosporidium: Enhancing the water industry’s capability to respond”
To increase the typeability of Cryptosporidium slide genotyping and improve the industry’s response to Cryptosporidium detections and the management of events.
- DWI has published Long Term Planning Guidance for water companies