Indicator | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
Water and sewerage performance index | 100 | 102 | 104 | 100 | 104 | 122 |
Capacity, access and availability | 100 | 106 | 105 | 105 | 104 | 105 |
Water available for use (EA definition) per capita - dry year | 100 | 99 | 99 | 98 | 96 | 97 |
Water available for use (EA definition) per capita - critical period | 100 | 117 | 118 | 118 | 117 | 119 |
Sewage treatment capacity | 100 | 101 | 99 | 100 | 97 | 99 |
Asset or capacity utilisation | 100 | 106 | 110 | 113 | 111 | 116 |
Security of Supply Index - dry year | 100 | 97 | 101 | 103 | 102 | 105 |
Security of Supply Index - critical period | 100 | 119 | 129 | 133 | 129 | 136 |
Sewage treatment capacity utilisation | 100 | 102 | 101 | 102 | 101 | 106 |
Service quality and reliability | 100 | 96 | 99 | 76 | 96 | 161 |
Interruptions of supply | 100 | 88 | 47 | 10 | 88 | 117 |
Properties subject to sewer flooding incidents | 100 | 100 | 100 | 67 | 100 | 67 |
Inadequate pressure of mains | 100 | 100 | 150 | 150 | 100 | 300 |
Asset condition | 100 | 100 | 103 | 106 | 104 | 105 |
Distribution losses per km of main | 100 | 100 | 102 | 106 | 105 | 105 |
Total leakage as percentage of distributional input | 100 | 101 | 103 | 105 | 104 | 104 |