Table D.30: Water and sewerage cost indices

Indicator	2005	2006	2007	2008	2009	2010
Water and sewerage cost index	100	104	107	108	116	119
Cost of water supply	100	111	116	120	123	127
Cost of sewerage services	100	96	99	97	109	112

The assessment presented in this document is not meant to supersede or interfere with Ofwat’s (the Water Services Regulation Authority) role as the economic regulator of the water and sewerage sectors in England and Wales nor is it meant to provide any additional targets for the sector.