After water is drawn from its source, it must be treated. Click on this link to answer the questions below.

1. What are the three different treatment processes?
2. Which type of water requires less treatment than the others? Why?
3. Why are chemicals added in the river and seawater process?
4. What happens at the water surface treatment plant.
5. What happens at the water desalination plant?
6. Did you realize there were so many steps in making water safe to drink.
7. What surprised you the most about the treatment process? Read the steps again and choose one.