WATER LEAKAGES BY WATER COMPANIES
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ABCDEFGH
1
Company estimates of total leakage - megalitres per day (Ml/d)
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PerformanceTargets
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Water and sewerage companies2010-112010-112011-122012-132013-142014-15% change from 2010-11 to 2014-15
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Anglian230212212211211211-0.5
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Dŵr Cymru199190188186185184-3.2
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Northumbrian-North East158150147144141141-6.0
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Northumbrian-Essex & Suffolk6566666666660.0
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Severn Trent497483474468456453-6.2
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South West8484848484840.0
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Southern9683939089886.0
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Thames665674673673673673-0.1
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United Utilities464464464464463463-0.2
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Wessex7171717171710.0
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Yorkshire3252972972972972970.0
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Water only companies
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Sembcorp Bournemouth222222222221-4.5
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Bristol505251504949-5.8
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Cambridge13.714.014.014.014.014.00.0
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Dee Valley9.910.210.210.210.210.20.0
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Portsmouth3030303030300.0
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South East959595949493-2.1
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South Staffordshire7374747474740.0
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Sutton & East Surrey2525252525250.0
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Veolia Water Central1811851851851851850.0
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Veolia Water East5.05.15.15.15.15.10.0
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Veolia Water South East7.27.97.87.77.67.5-5.1
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Total3,365.13,294.23,288.13,271.03,251.93,244.8-1.5
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Whole industry3,3653,2943,2883,2713,2523,245-1.5
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Notes: (Source: Ofwat)
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Numbers may not add up due to rounding.
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1 Twelve-month rolling averages.
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2 We have applied the following rules when rounding the numbers: performance and targets less than 20 Ml/d are given to one decimal place, and greater than 20 Ml/d are given to 0 places.
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3 The value for Southern Water's 2010-11 performance uses information that the company has provided since the June Return.
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4 We have revised Southern Water's target profile to ensure consistency with the formal undertaking that it has provided.
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5 We have revised Northumbrian North East's target profile to ensure consistency with the company's updated reporting methodology.
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PERFORMANCE AND TARGETS
LEAKAGE 1998-99 TO 2010-11