Take the Drinking Water Quiz

When you're thirsty for a drink of water, you probably turn on the tap, or open a container of bottled water. You may take for granted that the water you drink is safe and free of contaminants. But the quality of water—and even its safety—can vary from place to place, depending on the water source and how it was treated. Find out more about drinking water by taking this quiz, based on information from the U.S. Environmental Protection Agency (EPA).

1. If you are part of a public water system, what is the best source of information about your drinking water?
2. Which of these contaminants sometimes found in drinking water is considered harmful?
3. What is turbidity?
4. Public water systems draw their water from which source?
5. Which is the most common treatment to purify drinking water?
6. Which contaminants found in some drinking water should young children avoid?
7. Which of these types of bottled water is safer to drink than tap water?
8. Under which condition would a home water treatment system be beneficial?