From the USGS National Analysis of Trace Elements, this new page offers a recent, much publicized map "that shows where and to what extent arsenic occurs in ground water across the country," a new fact sheet ("Arsenic in ground-water resources of the United States"), and a detailed report ("A retrospective analysis on the occurrence of arsenic in ground-water resources of the US and limitations in...

At this website, the Environmental Protection Agency (EPA) educates children about the United States' largest source of water contamination - non-point source pollution. Students can learn how they can prevent non-point source pollution in their homes and when taking part in recreational activities. Users can find a variety of educational games and activities such as developing a rain gauge. The...

The Environmental Protection Agency (EPA)'s Office of Water recently released this report (.pdf and .wp formats) entitled "Techniques for Tracking, Evaluating, and Reporting the Implementation of Nonpoint Source Control Measures: Agriculture." In addition to results, the report presents detailed descriptions of sampling design, methods, and references.

As Americans head for the beach, the Natural Resource Defense Council (NRDC) issues its twelfth annual report on the status of beach and recreational water quality. Entitled Testing the Waters, the report offers readers a fifty-fifty appraisal of the nation's lake and ocean recreational beach sites. That is, while water quality overall is indeed improving in the United States, beach water quality...

With a penchant for invasive species management and habitat restoration, the Fisheries and Habitat Conservation Program within the U.S. Fish and Wildlife Service is interested in creating an environment for both "healthy fish" and "healthy people" through its various initiatives and partnerships. The homepage presents a rotating series of photographs that feature various fisheries facilities, and...

The US Environmental Protection Agency's (EPA's) Website provides many educational resources for K-12 teachers. A recently posted one is the "What's Up With Our Nation's Water?" page, looking at how water quality is measured, what toxins are found in drinking water, and defining wetlands and groundwater. Highlights include a "What can I do?" section and suggested science projects. Colorful artwork...