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Water Supply

Volume 496: debated on Monday 20 July 2009

To ask the Secretary of State for Environment, Food and Rural Affairs what estimate he has made of the volume of water lost through leakage from (a) company supply pipes and (b) piping between the water company connection point and a householder’s tap in (i) 1997 and (ii) 2008. (286471)

Water companies report annual leakage figures to Ofwat as part of their annual regulatory returns. Ofwat publishes leakage performance annually in the service and delivery report.

Leakage performance for the water company distribution network excluding customer supply pipes, and for customer supply pipes only for the years 1996-97 and 2007-08 were as follows:

Performance (megalitres/day)



Water company leakage excluding customer supply pipes



Customer supply pipe leakage