National Water-Quality Assessment Program (NAWQA)

This United States Geological Survey (USGS) program addresses water quality in the US. The goal is to develop long-term consistent and comparable information on streams, ground water, and aquatic ecosystems to support sound management and policy decisions. The program assesses over 50 river basins and aquifer systems, and helps to inform decision makers about the state of US water resources. Issues addressed include how and why water quality varies across the nation, trace elements, pesticides, nutrients, volatile organic chemicals (VOC's), water protection and management, and human health. This site links the user to articles, maps, data sets, and other sources of information. A glossary defines over 150 water related terms.

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Subject: Geoscience:Hydrology, Environmental Science:Water Quality and Quantity, Geoscience:Hydrology:Ground Water:Water quality/chemistry , Biology
Resource Type: Datasets and Tools:Datasets, Scientific Resources:Overview/Reference Work, Collection
Grade Level: High School (9-12), College Lower (13-14), College Upper (15-16), Graduate/Professional
Theme: Teach the Earth:Course Topics:Environmental Science, Teach the Earth:Teaching Topics:Water, Teach the Earth:Course Topics:Hydrology/Hydrogeology
Health Topics: Organic Compounds, Waterborne Transport Processes, Epidemiology and Risk Analysis
Science Background Required: Basic scientific background required
Topics: Hydrosphere/Cryosphere:Groundwater:Water quality/chemistry, Biosphere, Human Dimensions/Resources, Hydrosphere/Cryosphere