Greywater Reuse and Water Crisis Quiz

What are the main reasons for the intensifying global water crisis?

• Population growth, climate change, and urban expansion

• Decrease in rainfall only

• Overfishing and air pollution

• Deforestation and volcanic activity

By 2025, how many people are expected to face water shortages?

• 1 billion

• 2.7 million

• 2.7 billion

• 7 billion

Greywater reuse can help reduce drinking water consumption by:

• 5% - 10%

• 29% - 47%

• 60% - 80%

• 90% - 100%

Which of the following is NOT a common contaminant in greywater?

• Feces

• Food debris

• Pathogens

• Pesticides

Why is it important to treat greywater before reusing it?

Mention two non-drinking purposes for which greywater can be reused.