Govt turns sewage into ultra-clean water

For want of water: An employee walking near the equipment for the thickening centrifuge treatment of sludge from used water at the Changi Water Reclamation Plant complex in Singapore. — AFP

Giant pumps whir deep underground at a plant that helps transform sewage into water so clean it is fit for human consumption while reducing ocean pollution.

The tiny island nation has little in the way of natural water sources and has long had to rely principally on supplies from neighbouring Malaysia.