What’s new
-
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
-
Publication of report “Chlorate in Drinking Water”
Chlorate is a disinfection by–product (DBP) that can arise where sodium hypochlorite, calcium hypochlorite, chlorine dioxide or onsite electrolytic chlorination (OSEC) are used for disinfection. Although there is a legal requirement for water companies to minimise DBP formation, there is no current prescribed concentration or value for chlorate in drinking water in the EU, although […]