Takeaways:
- For the past decade, water officials in San Diego have been testing technology that provides the city with a new source of drinking water.
- A five-step process filters and disinfects wastewater, turning it into potable water that is cleaner than what comes out of most people’s faucets.
- Sources are becoming increasingly unreliable and expensive as the West withers under a historic drought.
- Wastewater reuse is less expensive and energy-intensive than desalination.
