This is a fact sheet on the water quality programs directly administered by the USGS. USGS provides information on issues such as the suitability of water for public supply and irrigation, aquatic ecosystem health, effects of agriculture and urbanization on water resources, acid rain, and disposal of radioactive waste. There are hot links to several studies and to data available from USGS and other ... Full description.

InterWET was created to help officials and concerned citizens about groundwater resources. Using a case study of the Spring Creek Watershed (central PA), the site gives a multi-layered view on the issues surrounding watershed use and availability. The site uses a series of webpages from three perspectives: a researcher, a conservationist, and a local official. Each page offers interactive lessons ... Full description.

The Alliance of Small Island States (AOSIS) is a coalition of small island and low-lying coastal countries that share concerns about the environment, especially their vulnerability to the adverse effects of global climate change. It functions primarily as a negotiating voice for small island developing States (SIDS) within the United Nations system. The site provides information about the island states ... Full description.

Robowell is an automated process for monitoring selected ground-water-quality properties and constituents. It was developed to provide a cost effective monitoring system that met protocols expected for manual sampling. Users have access to real-time water quality data. There are also links to other water quality sites. Full description.

Users can search this site for information on environmental pollution in the areas where they live. The materials presented here include a pollution ranking that shows regions and companies with the worst environmental records, environmental justice analyses that identify which ethnic or income groups bear more than their share of environmental burdens, and a searchable listing of toxic chemicals. Full description.

In this activity, students explore the influences of different parameters on the environmental quality of a river system. They will run a computer model of a river system, interpret graphs, and adjust model parameters such as wind speed, sewage load, and other variables to determine their effects on water quality. For teachers, there are additional background materials, teaching tips, evaluation methods, ... Full description.

As concerns over water resources and the environment grow, the importance of considering ground water and surface water as a single resource has become increasingly evident. The natural processes of groundwater-surface water interaction and human influences on this interaction are presented here, touching on natural ground-surface water interactions as part of the hydrologic cycle, chemical interactions, ... Full description.

This clearinghouse-style site from the Environmental Literacy Councilprovides links to information, articles and educational materials on several environmental subjects, including water. The water-specific segment features information on topics ranging from hydroelectric power to eutrophication to rogue waves. The articles featured cover scientific and social aspects of water. The Teaching Water segment ... Full description.

This Oregon State University site offers in-depth information on groundwater including: human impacts, protection, contamination, regulations, agencies, community action, and community stewardship. Although some information, such as how the geology of Oregon affects groundwater, is specific to that state much of the information is transferable to other locations. Full description.

This website provides information on international water law and policy. The International Water Law Project offers full text of many international and regional agreements, declarations and resolutions. Regional documents are organized by continent and then in many cases by waterway to reflect agreements for a particular river basin. The case law section provides examples from the Permanent Court ... Full description.