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Drinking Water Inspectorate

The Drinking Water Inspectorate (DWI) checks that the water we supply you with meets quality standards and is safe for you to drink.

Contact Details For The Drinking Water Inspectorate

Address

Drinking Water Inspectorate
Area 4a
Ergon House
Horseferry Road
London
SW1P 2AL

Telephone

030 0068 6400

E-mail

dwi.enquiries@defra.gsi.gov.uk

Website

http://dwi.defra.gov.uk