Displaying Water Quality Standards Information Using Web-based GIS: A Foundation for Water Quality Management by

The EPA Office of Water is developing data systems that will enable EPA, States, Tribes, and the public to view water quality standards for the surface waters of the United States on the Internet. Water quality standards have been available as parts of detailed State regulations in text form (U.S. EPA, 1999). Since May 1998, the Water Quality Standards Branch of the Offic