When a desert city runs dry, recycling sewage into tap water stops being taboo and becomes survival—a technology now copied worldwide but perfected first in Windhoek over fifty years ago.
Namibia’s capital has been drinking its own sewage since 1968, when eight years of pilot work produced a system whose current plant pushes 21,000 cubic meters a day through a ten-step treatment process before the water reaches a kitchen tap again.
The Long View