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Our tap water is among the best in the world and we're extremely proud of it

All about your water

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Thames Water is the UK’s largest water and sewerage company, serving 13 million customers
across London and the Thames Valley.

© 2001 - 2009 Thames Water Utilities Limited. All rights reserved.
Registered office: Thames Water Utilities Limited, Clearwater Court, Vastern Road, Reading, Berkshire RG1 8DB