where does tap water come from in london
Water supply and sanitation in London London has well developed water supply infrastructure. Most drinking water consumed in London comes from the River Thames and the River Lee. Approximately 70% of all water supplied to London is taken from the Thames upstream of Teddington Weir.[2]
Thames River (Ontario) The Thames flows west 273 kilometres (170 mi)[3] through southwestern Ontario, from the Town of Tavistock westward through the cities of Woodstock, London and Chatham to Lighthouse Cove on Lake St. Clair. Its drainage basin is 5,825 square kilometres (2,249 sq mi).[3]