Hadera Desalination Plant, Israel

Hadera desalination plant was completed in 2009, and is currently the biggest reverse osmosis plant built anywhere in the world.
Desalination

Desalination is the process of creating potable water from salt water. Two main processes that are used are: reverse osmosis & thermal distillation.
Beckton Desalination Plant, England

Beckton Desalination plant is located in East London to help support the 'water stressed' city of London in times of drought and water shortage.