The contamination of groundwater, which is a principal source of drinking water, is a serious health and environmental problem in many areas of the United States and the world.

During this investigation you will learn:

• What is groundwater contamination?
• Why is it important for us to know about it?
• What are the sources of contamination?
• How does one investigate groundwater contamination?
• What are some ways to clean up and prevent groundwater contamination?

Example of Contamination from Hazardous Waste