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Drinking Water Inspectorate (DWI)
The DWI are there to ensure that water companies maintain the quality of drinking water. If you think your supply isn't up to scratch first contact your water company. If you can't get a satisfactory response from them, then contact the DWI.
Tel:
020 7270 3370
Web Site:
http://www.dwi.gov.uk/ The BBC is not responsible for the content of external websites
email:
dwi.enquiries@defra.gsi.gov.uk
Postal address:
Drinking Water Inspectorate Room M03 55 Whitehall London SW1A 2EY
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