Environment

Leakage figures

In 2007/08, we delivered leakage reductions for the fourth year in a row and beat our regulatory leakage target for the second year running. Leakage is now 20 per cent lower than it was four years ago.

In this section

Background on leakage
Key facts about leakage
Latest leakage update

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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.