Students discuss the uses of groundwater in their community.
They create an aquifer model and view the saturated and unsaturated zones. They also create a lake in the aquifer model and observe the connection between surface water and groundwater. Groundwater , by Stephen J. Vandas, U.S. Geological Survey, U.S. Department of Interior. Background Many hazardous waste sites contaminate groundwater , which is a major source of drinking water in the United States. Many hazardous waste accidents and sites involve hazardous substances leaking into aquifers and contaminating groundwater.