Sao Paulo: 'The rainy season this year didn't deliver'
15 May 2014 Last updated at 13:54 BST
A drought is currently plaguing Brazil's biggest city. The main reservoir serving Sao Paulo is at its lowest level on record, just weeks before the city hosts the opening match of the World Cup.
Experts are warning that unless the next rainy season delivers twice as much rain as normal, the problems will just get worse.
The BBC's Katy Watson reports from Sao Paulo's main reservoir and talks to the president of the World Water Council, Benedito Braga, and carwash owner Anderson Borges dos Santos - who is already having to cope with continuing disruptions to his business.