Water stress is an increasing burden in regions with arid climates, aquifer vulnerability, and
erratic rainfall. Population growth and competing domestic, industrial, and agricultural uses
are also stretching the capacity of water supply systems. Beyond groundwater extraction,
surface water overuse, and inter-basin transfers, governments are exploring alternative
sources amidst looming supply threats. These alternatives include desalination, greywater
recycling, and reclaimed or recycled wastewater. The latter, also known as water reuse with …