Environment Food and Rural Affairs written question – answered at on 2 July 2012.
Robert Halfon
Conservative, Harlow
To ask the Secretary of State for Environment, Food and Rural Affairs what recent estimate she has made of the volume of water leaking from pipes in each region in each of the last five years.
Richard Benyon
The Parliamentary Under-Secretary of State for Environment, Food and Rural Affairs
Ofwat, the economic regulator of water and sewerage companies in England and Wales has collected the following information on the volume of water leaked from pipes in each water company area:
| 1 megalitre (M/l) = 1 million litres | |||||
| Total leakage (Ml/day) | |||||
| 2006-07 | 2007-08 | 2008-09 | 2009-10 | 2010-11 | |
| Anglian Water Services | 202.16 | 208.55 | 210.61 | 211.15 | 229.50 |
| Dwr Cymru Cyfyngedig (Welsh) | 209.48 | 204.01 | 194.39 | 192.80 | 199.28 |
| Northumbrian Water (NNE) | 145.94 | 136.17 | 149.80 | 155.74 | 157.78 |
| Severn Trent Water Ltd | 523.83 | 490.15 | 491.25 | 496.65 | 497.01 |
| South West Water Ltd | 82.94 | 84.23 | 84.16 | 82.42 | 83.73 |
| Southern Water Services Ltd | 82.03 | 81.78 | 86.90 | 95.15 | 92.15 |
| Thames Water Utilities Ltd | 790.32 | 713.22 | 698.43 | 669.85 | 664.56 |
| United Utilities Water plc | 468.22 | 462.19 | 461.63 | 462.28 | 464.24 |
| Wessex Water Services Ltd | 72.12 | 72.13 | 72.20 | 73.92 | 70.65 |
| Yorkshire Water Services Ltd | 293.47 | 293.63 | 295.02 | 294.70 | 325.40 |
| Bristol Water plc | 53.56 | 52.86 | 53.57 | 52.78 | 50.30 |
| Cambridge Water Company plc | 13.44 | 13.89 | 13.95 | 14.17 | 13.68 |
| Dee Valley Water plc | 10.62 | 10:33 | 10.33 | 10.44 | 9.92 |
| Essex and Suffolk Water | 67.99 | 68.25 | 66.76 | 67.44 | 65.10 |
| Portsmouth Water Ltd | 29.24 | 29.62 | 30.40 | 28.67 | 29.55 |
| Sembcorp Bournemouth Water | 21.93 | 22.21 | 22.10 | 21.78 | 22.00 |
| South East Water Ltd | 97.81 | 93.80 | 95.89 | 96.08 | 95.31 |
| South Staffordshire Water plc | 73.11 | 71.54 | 74.25 | 74.43 | 72.83 |
| Sutton and East Surrey Water Ltd | 24.01 | 24.29 | 24.46 | 24.20 | 24.51 |
| Veolia Water Central | 144.79 | 141.78 | 142.11 | 143.21 | 181.48 |
| Veolia Water East | 5.05 | 5.04 | 5.09 | 5.02 | 5.02 |
| Veolia Water Southeast | 7.81 | 7.89 | 7.72 | 7.78 | 7.21 |
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