In a bid to reduce water wastage, the Union government last week proposed regulations requiring up to 50% reuse of wastewater by 2031 for large consumers. This is an important step towards mainstreaming treated wastewater reuse in the country and should be welcomed in a water-stressed country like India, which is home to 18 percent of the world’s population with only 4 percent of the world’s water resources. The NITI Aayog’s ‘Composite Water Management Index Report’, released in 2018, showed that around 600 million people in the country were experiencing high to extreme water stress. In addition,