 In 2010, the Thames won the largest environmental award in the world – the $350,000 International Riverprize.One of the major resources provided by the Thames is the water distributed as drinking water by Thames Water, whose area of responsibility covers the length of the River Thames.The Thames Water Ring Main is the main distribution mechanism for water in London, with one major loop linking the Hampton, Walton, Ashford and Kempton Park Water Treatment Works with central London.