Water Supply

2. A construction that stores large amounts of water.
5. Bigger pieces of dirt and soil stick together and settle to the bottom of this tank.
7. Freshwater can be obtained from here.
8. Source of water.
10. Where water is cleaned before being supplied to homes.
11. Filter beds are made up of sand and ________.
12. Chemical that is added to prevent tooth decay.

1. In many parts of Africa, people get their water from here.
3. Water is stored in tall towers to create enough _______ to push water along pipes.
4. Gas that is added to kill germs.
6. The process of removing salt from seawater.
9. Used water.