Latest documents
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Drinking Water 2020 – Quarter 1 & 2 have been published
Click here to view
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Publication of Information Letter 06/2020
Assessment of the limitations for chemicals and treatment products intended for the treatment of drinking water.
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Publication of Information Letter 05/2020
Chloramination disinfection and associated risks of cyanide formation in treated water
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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
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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
- DWI has published Long Term Planning Guidance for water companies
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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 […]