This module, developed by the Lane Community College MAPS GIS Program, is "an applied exercise that explores the connection between groundwater, surface water, and potential water quality impairments." On the site,...

U.S. Geological Survey Water Science for Schools provides information about types of wells, drilling and water levels. Links to many other water-related sites.

MTBE, a gasoline oxygenater additive, has been detected in ground water sources throughout different parts of the country. These ground water sources are often the source of drinking water, and the presence of methyl...