Intended as a follow up to the Protecting Your Drinking Water activity, young environmentalists use their assessment of the a hypothetical town's water supply to debate the installation of underground chemical storage tanks. With...

Understand what a contaminant plume is when examining groundwater flow. Recognize the shape and what they're made up of.

This site features a map of the United States which indicates areas with the highest risk of nitrate contamination in ground water. Links to a description of ground water contamination in U.S.

This site talks about related problems to groundwater contamination in Bangladesh and the challenges that face the people there.

[Free Registration/Login may be required to access all resource tools.] Summarizes the key points about groundwater pollution and depletion. Includes a few questions to check for understanding.

Learn about the public's drinking water, the oversight agencies that govern it, and what needs to be done in an emergency if it becomes contaminated.

Table outlines the EPA's standards for safe drinking water, defining levels of contaminants and listing possible sources of these contaminants.

Discusses the chemistry of nitrate, the negative agricultural effects of too much nitrate in soil and in water sources, its toxicity to plants and livestock, and the impact on human health.

Excellent information provided by the U.S. Geological Survey.

A document features the Pocatello aquifer in Idaho. Find a description of the structure and function of the aquifer and the concerns of contamination.