This site, produced by the United States Geological Survey, is all about aquifers. Many different types of aquifers are addressed, these include: sand and gravel, sandstone, sandstone and carbonate, carbonate-rock, and...

In the mid-1980s, the RIM Program was established to quantify loads and long-term trends in concentrations of nutrients, such as nitrogen and phosphorus, and suspended material entering the tidal part of the Chesapeake...

This lesson provides an introduction to the treatment of drinking water to remove harmful or distasteful substances. Topics include the history of treatment and a brief listing of treatment processes. Students can...

This article discusses the effects of human activities on the interaction of ground water and surface water. Produced by the United States Geological Survey (USGS), this site provides solid textual content along with...

The Groundwater Foundation's sources of ground water contamination page discusses common contaminates, how they get to ground water, sources of pollution along with cleanup and prevention practices. The site's focal...