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 The Drinking Water Inspectorate (DWI) regulates public water supplies in England and Wales.

DWI is responsible for assessing the quality of drinking water in England and Wales, taking enforcement action if standards are not being met, and appropriate action when water is unfit for human consumption.
The DWI 13th Annual Report
including the Welsh Language version
Published July 2003

Whats New

25 December 2003

 The Introduction of the Water Supply (Water Quality) Regulations 2000, and for Wales the Water Supply (Water Quality) Regulations 2001

19 December 2003

 IL 18/2003 Monitoring for conservative parameters in water supply zones supplied by bulk supplies of treated water - in Information Letters

19 December 2003

 IL 17/2003 Section 19 Undertakings continuing beyond 31 December 2003 and the frequency of monitoring requirements - in Information Letters

16 December 2003

 Press Release Results of further Joint Industry Research into customers' views on Water and Sewerage Services published today - in Press Releases, with further details in the Customer Consultation of the Periodic Review of Water Price Limits 2004

10 December 2003

 IL 16/2003 Monitoring for Clostridium perfringens (including spores). - in Information Letters

Consumer Information - About DWI

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Drinking Water Inspectorate

Ashdown House, 123 Victoria Street, London, SW1E 6DE
Telephone : 020 7082 8024

Department for Environment,
Food & Rural Affairs (DEFRA)

The National Assembly for Wales /
Cynulliad Cenedlaethol Cymru

Website last updated
December 2003

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© Crown copyright 2003

DWI strives to ensure that the information on this website is set out in an accessible and understandable manner.
We welcome any comments about our website, including suggestions for additional topics that might be useful to our customers.