Albion Water www.albionwater.co.uk Anglian Water Group (includes Hartlepool Water) www.anglianwater.co.uk Bristol Water plc www.bristolwater.co.uk Cambridge Water plc www.cambridge-water.co.uk Cholderton & District Water Company www.choldertonwater.co.uk Dee Valley Water plc www.deevalleywater.co.uk Dwr Cymru Welsh Water www.dwrcymru.co.uk Island Water Authorities (Guernsey Water, Jersey Water, Council of the Isles of Scilly & Isle of Man Water Authority) www.jerseywater.je Northern Ireland Water www.niwater.com Northumbrian Water Group plc (includes Essex and Suffolk Water) www.nwl.co.uk www.eswater.co.uk Portsmouth Water Ltd www.portsmouthwater.co.uk Scottish Water www.scottishwater.co.uk Sembcorp Bournemouth Water www.sembcorpbw.co.uk Severn Trent plc www.severntrent.co.uk South East Water Ltd www.southeastwater.co.uk South Staffordshire Water plc www.south-staffs-water.co.uk South West Water Ltd (Pennon Group plc) www.southwestwater.co.uk Southern Water www.southernwater.co.uk Sutton and East Surrey Water plc www.waterplc.com Thames Water Ltd www.thameswater.co.uk United Utilities www.unitedutilities.com> Veolia Water East Ltd (formerly Tendring Hundred Water) www.veoliawater.co.uk/east Veolia Water Southeast Ltd (formerly Folkestone and Dover Water) www.veoliawater.co.uk/southeast Veolia Water Three Valleys (formerly Three Valleys Water) www.veoliawater.co.uk/central Wessex Water Services Ltd www.wessexwater.co.uk Yorkshire Water Services Ltd (Kelda Group Ltd) www.yorkshirewater.com – not a member of Water UK