Green Plumbing

Category - Caring for Our Water

Which of the following shows the order of the four main stages of water in the urban water cycle management process?
  1. Clean water - wastewater - water supply - treated water
  2. Wastewater - treated water - water supply - clean water
  3. Water supply - wastewater - treated water - clean water
  4. Treated water - clean water - water supply - wastewater
Explanation
Answer: B - Wastewater exits the house or building, leaves the wastewater treatment facility as treated water, travels to the storage location and becomes the water supply, then emerges as clean water after further final treatment for human use.
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